| Nom | Description |
| S BOX | Substitution Box |
| S CDMA | Synchronous Code Division Multiple Access |
| S HTTP | Secure Hypertext Transfer Protocol |
| S MIME | Secure MIME |
| S VHS | Super VHS |
| S&H | Sample and Hold |
| S&T | Science and Technology |
| S-BOX | Skunk Box |
| S-HTTP | Secure HyperText Transfer Protocol |
| S/D | Signal/Distortion ( ratio ) |
| S/H | Sample and Hold |
| S/I | Shift In |
| S/MIME | Secure Multimedia Internet Mail Extensions |
| S/N |
| Signal to Noise |
| Singnal to Noise ( ratio ) |
| S/O | Shift Out |
| S/P | Serial Port |
| S/TK | Sectors Per Track |
| S/TODS | Strategic/Tactical Optical Disk System |
| S/V/L | Survivability/Vulnerability/Lethality |
| S/W |
| Schwarz/Weiss |
| Software |
| S/WAN | Secure Wide Area Network |
| S0 | 64 kbits/s base ISDN access |
| S2MP | Scaleable Shared memory MultiProcessor |
| S3 | Sight, Sound, Speed |
| S |
| Schottky ( logic ) |
| Shareable |
| Siemens ( conductance ) |
| SA |
| Selective Availability |
| Source Address |
| Source [MAC] Address |
| Storage Array |
| Structered Analysis / Strukturierte Analyse |
| Study Administration |
| System Administrator |
| Systems Analyst |
| SAA |
| Standard Application Architecture |
| Standards Association of Australia |
| Systems Application Architecture |
| SAAF | Svensk AmatörAstronomisk Förening [ Swedish Amateur Astronomer's Society ] |
| SAAL |
| Signaling ATM Adaptation Layer |
| Signalling ATM Adaptation Layer |
| SAB |
| Scientific Advisory Board |
| Secondary Application Block |
| Self Activating Bell |
| Session Awareness Block |
| SABB | Storage Array Building Block |
| SABM | Set Asynchronous Balanced Mode |
| SABME |
| Set Asynchronous Balanced Mode Extended |
| Set Asynchronous Balanced Mode Extension |
| SABRE |
| Semi Automatic Business Research Environment |
| Semi-Automatic Business Research Environment |
| SAC |
| Semi Anechoic Chamber ( EMC ) |
| Service / Special Area Code |
| Service Access Controller |
| Service Area Code / Special Area Code |
| Service Area Computer |
| Simplified Access Control |
| Single Attachment Concentrator |
| Store Access Control |
| Strict Avalanche Criterion cryptography |
| Suburban Area Coverage |
| SACCH | Slow Associated Control CHannel |
| SACCO | Serial Access Communication COntroller |
| SACD | Super Audio CD ( two layer disc ) |
| SACF | Single Association Control Function |
| SACK | Selective ACKnowledgment |
| SACL | System Access Control List |
| SACT | SPARC Application Conformance Test |
| SACVD | Sub Atmospheric Chemical Vapor Deposition ( process ) |
| SAD | Serial Analog Delay |
| SADARM | Search and Destroy Armor Munition |
| SADF | Semi Automatic Document Feeder |
| SADL | Synchronous Data Link Control |
| SADLL | Successive Approximation DLL |
| SADT |
| Structured Analysis and Design Technique/Tool |
| Structured Analysis and Design Techniques |
| SAE | Society of Automotive Engineers |
| SAF-TE | SCSI Accessed Fault-Tolerant Enclosure |
| SAF |
| Service Access Facilities |
| Service Access Facility |
| Subnetwork Access Facility |
| SAFE | Secure Application Front End |
| SAFENET | Survivable Adaptable Fiberoptic Embedded Network |
| SAFER | Secure And Fast Encryption Routine |
| SAFTE |
| SCSI Accessed Fault Tolerant Enclose "SCSI, RAID, Intel, NStor", "SAF TE" |
| SCSI Accessed Fault-Tolerant Enclosure |
| SAG |
| SQL Access Group |
| Street Address Guide |
| System Activity Graph |
| SAGE |
| Semi-Automatic Ground Environment |
| Software Aided Group Environment |
| SAGMOS | Self Aligning Gate MOS |
| SAHF | Store AH Into Flags assembler |
| SAI | Serving Area Interface |
| SAIC | Science Applications International Corporation ( San Diego CA ) |
| SAIL |
| Stanford Artificial Intelligence Lab |
| Stanford Artificial Intelligence Laboratory |
| Stanford Artificial Intelligence Laboratory [language] |
| SAINT | Symbolic Automatic Integrator |
| SAK | Selective AcKnowledgment |
| SAL |
| SQL windows Application Language |
| Security Access List |
| Semi Active Laser |
| Semware Applications Language |
| Shift Arithmetic Left |
| Symbolic Assembly Language assembler |
| SALI | Standalone Automatic Location Identification |
| SALLY | Scanning Array Lens LitographY |
| SALT |
| Script Application Language for Telix |
| Strategic Arms Limitation Treaty |
| SALU | Structured Assembly Language Utilities |
| SAM |
| SCSI 3 Architecture Model |
| Secure Access Multiport |
| Security Account Manager ( Windows NT ) |
| Security Accounts Manager |
| Sensor Array Measurement |
| Sequential Access Method |
| Sequential Access Mode / Method |
| Serial Access Memory |
| Single Application Mode |
| Sort and Merge |
| Surface to Air Missile |
| Symantec Anti Virus For Macintosh |
| System Activity Monitor |
| SAMA | Step-by-step Automatic Message Accounting |
| SAMNET | (UK) Sub-Auroral Magnetometer Network |
| SAMOS | Silicon and Aluminum Metal Oxide Semi conductor |
| SAN |
| Small Area Network |
| Storage Area Network |
| Storage/System Area Network |
| System Area Network |
| SANE | Standard Apple Numeric Environment |
| SANZ | Standards Association of New Zealand |
| SAO |
| Single Association Object |
| Source Address Omitted [flag] |
| SAP |
| Second Audio Program |
| Service Access Point |
| Service Advertising Protocol |
| Session Announcement Protocol |
| Symbolic Assembler Programm |
| Symbolic Assembly Program |
| SystemAnalyse und Programmentwicklung manufacturer, Vorlaeufer |
| Systemanalyse and Programmentwicklung |
| Systems Applications and Products |
| Systems, Applications and Products [in data processing] [ag] manufacturer |
| SAPI |
| Scanner Application Programming Interface |
| Service Access Point Identifier |
| Speech Application Program Interface |
| Speech Application Programming Interface |
| SAR |
| Search and Rescue |
| Segmentation And Reassembly |
| Segmentation And Reassembly ( ATM ) |
| Shift Arithmetic Right |
| Special Access Required |
| Specific Absorption Rate |
| Store Address Register |
| Successive Approximation Register |
| Successive Approximation Register ( ADC ) |
| Synthetic Aperature Radar |
| Synthetic Aperture Radar |
| System Activity Reporter |
| SARAH | Standard Automated Remote to AUTODIN Host AUTODIN, mil. |
| SARAM | Sequential Access Random Access Memory |
| SARC | Symantec Antivirus Research Center |
| SARF | Security Alarm Reporting Function |
| SARG | Search Argument |
| SARM | Set Asynchronous Response Mode |
| SARPDU | Segmentation And Reassembly Protocol Data Unit "ATM, PDU", "SAR PDU" |
| SART | Structered Analysis / Real Time "SA, CASE", "SA/RT" |
| SARTS | Switched Access Remote Test System |
| SAS |
| SWITCH Access System |
| Sales Accounting System |
| Session Active Screen |
| Simulation Automation System |
| Single Attach Station ( network ) |
| Single Attached Station |
| Single Attachment Station |
| Single Attachment System |
| Single Audio System |
| Special Access Surcharge |
| Statistical Analysis System |
| Statistically Assigned Sockets |
| Subscriber Alerting Signal |
| Switched Access Services |
| SASE |
| Self Addressed Stamped Envelope |
| Special Application Service Element |
| Specific Application Service Element |
| Specific Application Service Elements |
| System And Support Engineering |
| SASFE | SEF/AIS Alarm Signal, Far End |
| SASI |
| Shugart Associates System Interface |
| Shugart Associates Systems Interface |
| Shugert Associates System Interface |
| SASO | Saudi Arabian Standards Organization |
| SAST | South Australia Standard Time [+0930] |
| SAStoDAS | Single Attached Station to Dual Attached Station |
| SAT |
| Save Area Table |
| Self Aligned Transistor ( process ) |
| Special Access Termination |
| Standard AUTODIN Terminal AUTODIN, mil. |
| Supervisory Audio Tone |
| System Access Technique |
| SATAN | Security Administrator Tool for Analyzing Networks |
| SATCOM | Satellite Communications |
| SATER | Speech Activated Telephony E mail Reader |
| SATF |
| Security Audit Trail Function |
| Shared Access Transport Facility |
| SATO | Self Aligned Thick Oxide |
| SATRA | Shoe and Allied Trade Research Association |
| SATS | Selected Abstract Test Suite |
| SAU |
| Secure Access Unit |
| Standard Advertising Unit |
| SAV | Saved "file name extension" |
| SAVDM | Single Application VDM |
| SAVI | Space Active Vibration Isolation |
| SAVT | Secondary Address Vector Table |
| SAW | Surface Acoustic Wave |
| SAWS | Silent Attack Warning System |
| SAX | Simple API for XML |
| SB |
| Safety Basic |
| Set Bit |
| Sound Blaster |
| Sound Board |
| StarBase |
| SBA |
| Scene Balance Algorithms |
| Service Based Architecture |
| Shared Batch Area |
| SideBand Address [port / bus] |
| Standards Based Architectures |
| Synchronous Bandwitdth Allocation |
| System For Business Automation |
| SBB |
| Subtract With Borrow |
| System Building Block |
| SBC |
| SCSI Block Commands |
| Single Board Computer |
| Small Business Computer |
| SBCA | Satellite Broadcasting and Communications Association |
| SBCCS |
| Single Byte Command Code Set |
| Single Byte Command Code Set [protocol] |
| SBCS |
| Single - Byte Character Set |
| Single Byte Character Set |
| SBDN | Southern Bell Data Network |
| SBDS | Smart Battery Data Specification |
| SBE | SCSI/Buffered Ethernet card |
| SBF |
| Sequential Block Filemanager |
| Symmetric Block Formatting |
| SBGA | Super Ball Grid Array |
| SBH | Secure Backbone Hub |
| SBHE | System Bus High Enable |
| SBI |
| Sound Blaster Instrument |
| Speaker Box Interface |
| Storage Bus Interconnect |
| Synchronous Bus Interface |
| SBIR |
| Small Business Innovation Research (program) |
| Small Business Innovative Research |
| SBIRS | Space Based Infrared System |
| SBIS |
| Sustaining Base Information Services |
| Sustaining Base Information System |
| SBIT | Startup Built In Test |
| SBL |
| Softbridge BASIC Language |
| Space Based Laser |
| Super BASIC Language |
| SBLC |
| Standard Base Level Computer |
| Sustaining Base Level Computer |
| SBLD | Silicon Based Logic Design |
| SBMS | Southwestern Bell Mobile Service |
| SBN | Smart Bus Node |
| SBP 2 | Serial Bus Protocol 2 |
| SBP |
| SCSI 3 serial Bus Protocol |
| Serial Bus Protocol (sometimes as SBP-2) |
| SBR | Source Browser "file name extension" "Borland" |
| SBS |
| Satellite Business Systems |
| Satellite Business Systems / Skyline Business Systems |
| Silicon Bilateral Switch |
| Small Business Server |
| Small Business System |
| Smart Battery Specification |
| Smart Battery System |
| Subscript Character |
| SBT |
| Screen Based Telephone |
| Software Business Technologies |
| Surface Barrier Transistor |
| SBU | Sensitive But Unclassified |
| SBUS | Sun [i/o interface] BUS "Sun, SPARC", "SBus" |
| SC-PAM | Simple Coded - Pulse Amplitude Modulation |
| SC |
| Scanner Controller |
| Script "file name extension" |
| Sectional Center |
| Short Circuit |
| SubCommittee |
| Subscriber Connector |
| SCA |
| Scalable Computing Architecture |
| Send Configure Ack |
| Short Code Address |
| Software Corporation of America manufacturer, USA |
| Strategic Capital Acquisitions |
| Subsidiary Carrier Authorization |
| Subsidiary Communication Authorization |
| Swiss Cracking Association |
| Synchronous Clock Adjustment |
| System Control Area |
| SCADA | Supervisory Control And Data Acquisition |
| SCAF | Service Control Agent Function |
| SCAI |
| Scandinavian Conference on Artificial Intelligence conference, FAIS, AI |
| Switch to Computer Application Interface |
| SCAM |
| SCSI Configuration Automatically |
| SCSI Configured Auto Magically |
| SCSI Configured AutoMatically |
| SCSI Configured AutoMatically ( SCSI 3 ) |
| Sub Carrier Amplitude Modulation |
| SCAMC |
| Symposium on Computer Applications in Medical Care |
| Symposium on Computer Applications in Medical Care conference |
| SCAN | Switched Circuit Automatic Network |
| SCANIT | Scan only Intelligent Terminal |
| SCAP | Silent Compact Auxiliary Power |
| SCAS | Scan String |
| SCAT |
| Special Computerized Attack Team |
| Surface Controlled Avalanche Transistor |
| SCATS | Suspense Control and Automated Tracking System |
| SCB |
| SemiConductor Bridge |
| Signal Conditioning Board |
| Slot Control Block ( DECT ) |
| Station Control Block |
| String Control Byte |
| Subsystem Control Block |
| SCC |
| SCSI Controller Commands |
| Satellite Communications Control |
| Serial Communication Channel |
| Serial Communication Controller |
| Serial Communications Controller |
| Serial Communications Controllers |
| Serial Controller Chip |
| Smart Card Connector |
| Softarc Certified Consulter |
| Source Code Control ( API ) |
| Specialized Common Carrier |
| Specialized Common Carriers |
| Standards Council of Canada |
| Storage Connecting Circuit |
| Supply Chain Council |
| Switched Capacitor Converter |
| Switching Control Center |
| Synchronous Channel Check |
| SCCP |
| Signaling Connection Control Part |
| Simple Conference Control Protocol |
| SCCS |
| Source Code Control System |
| Specialized Common Carrier Service |
| Switching Control Center System |
| SCD |
| SPARC Compliance Definition |
| Software Chronical Digest |
| Standard Color Display |
| System Contents Directory |
| SCDDS | Switched Circuit Digital Data Service |
| SCDE | Significant CALS Data Elements |
| SCDMS | Society for Clinical Data Management Systems |
| SCDR |
| Store Controller Definition Record |
| Subsystem Controller Definition Record |
| SCE |
| Single Cotton Enamelled ( wire ) |
| Source Code Engineering |
| Structure Chart Editor |
| SCEF | Service Creation Environment Function |
| SCEIO | Societe Canadienne pour l'Etude de l'Intelligence par Ordinateur |
| SCF |
| Sectional Center Facility |
| Selective Call Forwarding |
| Sequential Character Filemanager |
| Service Control Function |
| Switched Capacitor Filter |
| System Control Facility |
| SCFM |
| Sub Carrier Frequency Modulation |
| Sub-Carrier Frequency Modulation |
| SCG | Security Classification Guide |
| SCH | Synchronization CHannel |
| SCI. | Science |
| SCI/LVDS | Scalable Coherent Interface LVDS |
| SCI |
| Scalable Coherent Interface |
| Science Citation Index |
| Scientific mode |
| Serial Communications Interface |
| Supply Chain Integrator |
| System Control Interrupt |
| SCIF | Special Compartmented Information Facility |
| SCIL | Serial Control Interface Logic |
| SCIM | Standard Computer Interface Module |
| SCIOS | Scottish Collaborative Initiative in Optoelectronic Sciences |
| SCIT |
| Semi Conductor and Interconnect Technologies |
| Semi-Conductor and Interconnect Technologies |
| SCJ | Send Code Reject |
| SCL |
| Simulation Control Language |
| Switch to Computer Link |
| System Control Language |
| SCLM | Software Configuration and Library Management |
| SCM |
| ScreenCam Format |
| Segment Control Module |
| Service Control Manager |
| Service Control Manager Windows NT |
| Small Core Memory |
| Software Configuration Management |
| Station Class Mark |
| Subscriber Carrier Module |
| Supply Chain Management |
| Supply Chain Managenent |
| SCMP | Stream Control Message Protocol |
| SCN |
| Send Configure Nak |
| Specifications Change Notice |
| SCNR |
| Sorry, Could Not Resist slang, Usenet |
| Sorry, CouldN't Resist |
| SCO |
| Santa Cruz Operation |
| Santa Cruz Operation ( Unix ) |
| Santa Cruz Operation manufacturer, Unix |
| SemiConductor Operations |
| Serving Central Office |
| Synchronous Connection Oriented |
| SCODA | Scan Coherent Doppler Attachment |
| SCOOPS | SCheme Object Oriented Programming System |
| SCOPE |
| SCalable Object Processing Environment |
| Simple Communications Programming Environment |
| System Controllability Observability Partitioning Environment |
| SCORE |
| Satellite Computer Operated Readiness Equipment |
| Signal Communications by Orbiting Relay Equipment |
| SCOT | Stepper Central Office Tester |
| SCOTS | Surveillance and Control Of Transmission System |
| SCP |
| Save Cursor Position |
| Secondary Communications Processors |
| Serial Control Port |
| Service Control Point |
| Services de Communications Personnelles |
| Session Control Protocol |
| Signal Control Point |
| Signal Conversion Point |
| Standard Configuration Profile |
| Subsystem Control Port |
| SunLink Communications Processor |
| Support Control Program |
| System Control Point |
| System Control Program |
| SCPAM | Simple Coded - Pulse Amplitude Modulation |
| SCPC |
| Signal Channel Per Carrier |
| Single Channel Per Carrier |
| SCPD | Supplementary Central Pulse Distributor |
| SCPI | Standard Commands for Programmable Instruments ( IEEE 488.2 ) |
| SCR |
| Script "file name extension" |
| Selective Call Rejection |
| Send Configure Request |
| Silicon Control Rectifiers |
| Silicon Controlled Rectifier |
| Standard Context Routing |
| Sustainable Cell Rate |
| System Call Router ( S.100 S.300 ) |
| SCRI | Supercomputer Computations Research Institute |
| SCRIBE | Service de Consultation et de Recherche d'Images ou de Bordereaux Emargés |
| SCRN | Screen |
| SCRS | Scalable Cluster of RISC Systems |
| SCS |
| SNA Character String |
| SWITCH Central System |
| Satellite Communications Systems |
| Scalable Command Set |
| Signal Conditioning System |
| Silicon Controlled Switch |
| Silicon Controlled Switches |
| Singapore Computer Society |
| Small Computer System |
| Society for Computer Simulation |
| Switch Control Software |
| System Communication Services |
| System Conformance Statement |
| [systimax] Structured Cabling System |
| SCSA |
| Signal Computing System Architecture |
| Signal Computing System Architecture ( standard ) |
| Sun Common SCSI Architecture |
| SCSI |
| Small Computer Standard Interface |
| Small Computer Systems Interface |
| System Can't See It |
| SCSSI | Service Central de la Securité des Systèmes d'Information |
| SCT |
| Screen Capture Text |
| Signal Cable Terminator |
| Special Characters Table |
| Streamline Cartridge Tape |
| Subroutine Call Table |
| System Configuration Table |
| SCTC | Serial Channel-To-Channel |
| SCTO | Soft Carrier Turn-Off |
| SCTR | System Conformance Test Report |
| SCTS | Secondary Clear to Send |
| SCU |
| Selector Control Unit |
| System Control Unit |
| SCUBA | Self Contained Underwater Breathing Apparatus |
| SCUSA | Standards Council of the United States of America |
| SCV | Supply Chain Visibility |
| SCWT | Short Circuit Withstand Time |
| SCX | Specialized Communications eXchange |
| SCXI | Signal Conditioning eXtension for Instrumentation |
| SD ROM |
| Super Density ROM |
| Super Density Read Only Memory |
| SD |
| (modem) Send Data |
| Secure Digital ( memory card ) |
| Send Data |
| Start Delimiter |
| Starting Delimiter |
| Structured Design |
| Super Density |
| Super Density [disk] |
| SDA |
| Screen Design Aid |
| Security Domain Authority |
| Shared Data Architecture |
| Silicon Dream Artists |
| Software Delivery Agent |
| Software Design Automation |
| Software Disk Array |
| Source Data Automation |
| Swappable Data Area |
| System Display Architecture |
| SDAI | Standard Data Access Interface ( STEP ) |
| SDAM | Single DOS Application Mode |
| SDAP | Standard Document Application Profile |
| SDAV | Systems Design Automation Vendor |
| SDB | Symbolic Debugger |
| SDC |
| Sample Data Collection |
| Sigma Delta Converter |
| Software Development Control [system] |
| Software Distribution Center |
| SDCCH | Stand alone Dedicated Control CHannel |
| SDCD | Secondary Data Carrier Detect |
| SDD |
| Software Description Database |
| Software Design Document |
| Subscriber Data Document |
| Super Density Disk |
| Surround Dolby Digital |
| System Distribution Directory |
| SDDAS | Southwest research Data Display and Analysis System |
| SDDI | Shielded Distributed Data Interface |
| SDE |
| Software Development Engine |
| Software Development Environment |
| Submission and Delivery Entity |
| SDF |
| Screen Definition Facility |
| Simple Document Formatable |
| Space Delimited File |
| Space Delimited Format |
| Standard Data Format |
| Standard Data Format "file name extension" |
| Standard Delay Format |
| System Dialog Facility |
| SDH | Synchronous Digital Hierarchy |
| SDI |
| Scan Data Input |
| Selective Dissemination of Information |
| Serial Data In |
| Serial Digital Interface |
| Single Document Interface |
| Software Development Interface |
| Source Data Information |
| Space Defense Initiative |
| Standard Data Interface |
| Standard Disk Interconnect |
| Standard Disk Interface |
| Standard Drive Interface |
| Storage Device Interconnect |
| Storage Device Interface |
| Super Data Interchange |
| Supplier Declaration of Inter-operation |
| SDIF |
| SGML Document Interchange Format |
| System Independent Data Format |
| SDILINE | Selective Dissemination of Information onLINE |
| SDIMM | Single [RAS] Dual Inline Memory Module "DIMM, RAS", "S DIMM" |
| SDIS | Switched Digital Integrated Service |
| SDJI | Submerged Double Jet Impingement ( method ) |
| SDK |
| Software Developer's Kit |
| Software Development Kit |
| Software Development Kit / Software Developer's Kit |
| SDL/GR | Specification and Description Language Graphical Representation |
| SDL/PR | Specification and Description Language Phrase Representation |
| SDL |
| Specification and Description Language |
| System Design Language |
| System Directory List |
| SDLA | Successive Detection Logarithmic Amplifier |
| SDLC |
| Synchronous Data Link Control |
| Synchronous Data Link Controller |
| SDLGR |
| Specification and Description Language / Graphical Representation,"SDL/GR" |
| Specification and Description Language Graphical Representation |
| SDLLC | Synchronous Data Link Control Conversion |
| SDLP | Standard Device Level Protocol |
| SDLPR | Specification and Description Language Phrase Representation |
| SDLVA | Successive Detection Logarithmic Video Amplifier |
| SDM |
| ??? [benchmark] |
| Shape Deposition Manufacturing |
| Short Data Message |
| Space Division Multiplex |
| Space Division Multiplexing |
| Spatial Data Management |
| System Development Multitasking |
| SDMA |
| Space Division Multiple Access |
| Storage Device Migration Aid |
| SDMF | Single Data Message Format |
| SDMI | Secure Digital Music Initiative |
| SDMMC | Secure Digital Multi Media Card |
| SDMS | SCSI Device Management System |
| SDN |
| Shareware Distribution Network |
| Software Defined Network |
| Software Distribution Net |
| SDNS |
| Secure Data Network Service |
| Secure Data Network Service / System USA, mil. |
| Secure Data Network System |
| SDO |
| Scan Data Output |
| Serial Data Out |
| Service Data Object ( CAN ) |
| Standards Development Organization |
| SDOC | Selective Dynamic Overload Controls |
| SDP |
| Service Delivery Point |
| Software Data Protection |
| Software Development Plan |
| Specialized Data Point |
| Streaming Data Procedure |
| SDR |
| Shared Data Research |
| Signal to Distortion Ratio |
| Statistical Data Recorder |
| Store Data Register |
| Streaming Data Request |
| System Definition Record |
| System Design Review |
| SDRAM |
| Synchronous DRAM |
| Synchronous Dynamic Random Access Memory |
| SDRP | Source Demand Routing Protocol |
| SDS |
| Sales and Distribution Systems |
| Schema Definition Set |
| Smart Distributed Systems |
| Software Development Systems ( Oak Brook IL ) |
| Switched Data Service |
| Synchronous Data Set |
| Sysops Distribution System |
| SDSAF |
| Switched Digital Services Applications Forum |
| Switched Digital Services Applications Forum org. |
| SDSC |
| San Diego Supercomputer Center |
| Synchronous Data Set Controller |
| SDSCNET | San Diego Supercomputer Center NETwork network, USA, "SDSCnet" |
| SDSE | Shadowed Directory Service area specific Entry |
| SDSI | Simple Distributed Security Infrastructure |
| SDSL |
| "See DSL" |
| Single Line Digital Subscriber Line |
| Symmetric Digital Subscriber Line |
| Symmetric Digital Subscriber Loop |
| Symmetrical Digital Subscriber Line |
| SDSMA | Slotted Digital Sense Multiple Access "MODACOM", "S DSMA" |
| SDSN | Secure Data System Network |
| SDSTB | Streaming Data Strobe |
| SDT |
| Software Development Tools |
| Source Data Terminal |
| Systems Development Tool |
| SDTP | [PPP] Serial Data Transport Protocol |
| SDTV |
| Standard Definition TeleVision |
| Standard-Definition Television |
| SDU |
| Service Data Unit |
| Service Data Unit ( network ) |
| Software Distribution Utilities |
| SDV | Switched Digital Video |
| SDX |
| Satellite Data Exchange |
| Storage Data Acceleration |
| SD_STB | Streaming Data Strobe |
| SE |
| Service / Systems Engineer |
| Session Entity |
| Single Ended ( output ) |
| Society Elite |
| Software Engineering |
| Standard / Special Edition |
| Sweden |
| Switching Element |
| System Extension |
| Systems Engineer |
| SEA |
| Self Extracting Archive "file name extension" "Macintosh" |
| Self Extracting Archive (usually as .SEA) |
| Society for Electronic Access |
| Society for Electronic Access org. |
| Standard Extended Attribute |
| System Enhancement Associates |
| SEAC |
| Name of first computer to use transistors built by |
| Standards Eastern Automatic Calculator |
| Standards Eastern Automatic Computer |
| SEAD | Suppression of Enemy Air Defense |
| SEAL |
| Screening External Access Link |
| Segmentation and Reassembly Layer |
| Simple and Efficient Adaptation Layer |
| SEAM |
| Scientific & Engineering Applications of the Macintosh ( symposium ) |
| Smart Enterprise Asset Management |
| SEAP | Service Element Access Point |
| SEAS | Signaling Engineering and Administration System |
| SEB |
| Single End Billing |
| Single Event Burnout |
| SEC |
| Sbus Ethernet Controller |
| Second (usually as sec) |
| Single Edge Connector |
| Single Edge Contact |
| Single Error Correction |
| Switched Ethernet Controller |
| SECAM |
| Sequential Couleur Avec Memoire / Systeme En Couleur Avec Memoire |
| Sequentiel Couleur Avec Memoire |
| Systeme Electronique Couleur Avec Memoire ( French video standard ) |
| Séquentiel Couleur A Mémoire |
| SECB | Severely Errored Cell Block |
| SECC | Single Edge Contact Cartridge |
| SECDEC | Single Error Correction Double Error Detection |
| SECI | Secure Electronic Commerce Infrastructure |
| SECOFI | Subsecretaria de Negociaciones Comerciales Internationales |
| SED |
| Smoke Emitting Diode |
| Stream Editor |
| Stream Oriented Editor |
| Systeme d'Exploitation de Disquettes |
| SEDAS | Standardisiertes Einheitliches DatenAustauschSystem |
| SEDFB | Surface Emitting Distributed Feedback |
| SEE |
| Single Event Effect |
| Societe des Electriciens et Electroniciens |
| Software Engineering Environments |
| Systems Equipment Engineering |
| SEF/AIS | Severely Errored Framing Alarm Indication Signal |
| SEF |
| Severely Errored Framing |
| Source Explicit Forwarding |
| SEFS | Severely Errored Framing Seconds |
| SEFTI | Service d'Enquêtes sur les Fraudes aux Technologies de l'Information |
| SEG | Segment |
| SEGR | Single Event Gate Rupture |
| SEH |
| Structured Exception Handling |
| Structured Exception Header |
| SEI | Software Engineering Institute |
| SEIS | Software Engineering & Information Systems (research group) |
| SEK | Swedish Electrical Commission |
| SEL |
| SELect |
| Selector |
| Software Engineering Laboratory |
| Standard Elektrik Lorenz [ag] manufacturer |
| SELCAL | SELective CALling |
| SELHPC | South East London High Performance Computing [centre] |
| SELV |
| Safety Electronic Low Voltage |
| Safety Extra Low Voltage |
| Safety Extra-Low Voltage (circuit) |
| SEM |
| Scanning Electron Microscope |
| Server Enhancement Module |
| Standard Electronic Module |
| Standard Error of the Mean |
| Strategic Enterprise Management |
| SEMA | Storage Equipment Manufacturers' Association |
| SEMI | Semiconductor Equipment and Materials International ( trade association ) |
| SEMKO | Svenska Elektriska MaterielKOntrollanstalten |
| SEMM | Single Electron MOS Memory |
| SEP | Single Entry Point |
| SEPIC | Single Ended Primary Inductance Converter |
| SEPP |
| Secure Electronic Payment Protocol (specification) |
| Secure Electronic Payment Protocol banking, IBM, Netscape, GTE |
| Secure Encryption Payment Protocol |
| Secured Electronic Payment Protocol |
| SEPT | Service d'Etudes communes de la Poste et de France Telecom |
| SEQUEL |
| Structured English QUEry Language |
| Structured English QUEry Language IBM, DB, SQL, predecessor |
| SER |
| Send Echo Reply |
| Serial |
| SERCOS | Serial Real Time Communications System |
| SERDES | SERializer/DESerializer |
| SERE | Survival, Evasion, Resistance, Escape |
| SEREP | System Error Record Editing Program |
| SERM | Structured Entity Relationship Model |
| SERT | Security Emergency Response Team |
| SES |
| Security Enabling Services |
| Service Evaluation System |
| Severely Errored Seconds |
| SESAM | Synergetische Erkennung mittels Standbild, Akustik und Motorik |
| SESAR | Switched Ethernet Segmentation And Reassembly |
| SESFE | Severely Errored Second Far End |
| SESP | Severely Errored Second Path |
| SET |
| Driver Set "file name extension" "Lotus 1 2 3" "LDC" |
| Image Settings "file name extension" "Paradox" |
| Secure Electronic Transaction (specification) |
| Secure Electronic Transactions "IBM, Visa, MS, IBM, Mastercard, Netscape,banking" |
| Secure Electronics Transaction |
| Sharp Edge Technology |
| Software Engineering Technology |
| Standard d'Echange et de Transfert AFNOR, France |
| SETA | Systems Engineering and Technical Assistance |
| SETEXT | Structure Enhanced Text |
| SETI |
| Search for ExtraTerrestrial Intelligence |
| Searching for Extra Terrestrial Intelligences |
| SETL | SEt Theory Language "New York Uni.", "SetL" |
| SETS | Selected Executable Test Suite |
| SEU |
| Smallest Executable Unit |
| Software Entwicklungs Umgebung |
| Source Entry Utility |
| SEV | Schweizerischer Elektrotechnischer Verein |
| SEX | Software Exchange |
| SF |
| Science Fiction |
| Service Feature |
| Sign Flag |
| Sign Flag assembler |
| Single Frequency |
| Standard Form |
| Summarization Function |
| Switching Fabric |
| SFA | Sales Force Automation |
| SFAIAA | So Far As I Am Aware |
| SFBI | Shared Frame Buffer Interconnect |
| SFC |
| Sectored File Controller |
| Sequential Function Chart |
| Shannon Farro Coding ( data compression ) |
| Specific Fuel Consumption |
| Switch Fabric Controller ( S.300 ) |
| System File Checker |
| SFD |
| Simple Formatable Document |
| Simple Formattable Document |
| Start Frame Delimiter |
| Start Frame Delimiter ethernet |
| Symbolic File Directory |
| SFDR |
| Spurious Free Dynamic Range |
| Spurious Free Dynamic Range = Störungsfreier Dynamikbereich |
| SFF |
| Small Form Factor ( package ) |
| Small Form Factor [committee] org. |
| Small Forms Factors |
| SFFPCI | Small Form Factor Personal Computer Interface |
| SFI |
| Single Frequency Interface |
| Society for the Freedom of Information |
| SFMC | Satellite Facility Management Center |
| SFMJI | Sorry For My Jumping In slang, Usenet, IRC |
| SFN | Short File Name |
| SFP | Short Fault Protection |
| SFPS | Secure Fast Packet Switching |
| SFQ | Single Flux Quantum |
| SFQL |
| Structured Full text Query Language |
| Structured Full-text Query Language |
| SFR | Special Function Register |
| SFS |
| Suomen Standardisoimisliitto (Standards Association of Finland) |
| System File Server |
| SFT |
| Simple File Transfer |
| System Fault Tolerance |
| System File Table |
| SFTP |
| Screened Foiled Twisted Pair [cable] |
| Simple File Transfer Protocol |
| SFU | Store and Forward Unit |
| SFUG | Security Features User's Guide |
| SFV | Standard Festverbindung |
| SFW | Sensor Fuzed Weapon |
| SFX |
| Self Extracting |
| Sound Effect"s" |
| Sound Effects |
| SG |
| Screen Grid |
| Signal Ground |
| Study Group |
| SGA |
| Shared Global Area |
| Shared Global Array |
| Sysops Guild Association |
| SGAUA | Scitex Graphic Arts Users Association |
| SGBD | Système de Gestion de Bases de Données |
| SGBDO | Système de Gestion de Bases de Données à Objets |
| SGBDOO | Système de Gestion de Bases de Données Orienté Objets |
| SGBDR | Système de Gestion de Bases de Données Relationnelles |
| SGC | SCSI Graphic Commands |
| SGCP | Simple Gateway Control Protocol |
| SGDG | Sans Garantie du Gouvernement |
| SGDT |
| Store Global Descriptor Table |
| Système de Gestion de Documentation Technique |
| SGEN |
| Signal Generator |
| System Generator |
| SGFS | Special Group on Functional Standardization |
| SGI |
| Silicon Graphics Inc |
| Silicon Graphics Inc. |
| Silicon Graphics Incorporated manufacturer |
| Silicon Graphics, Inc. |
| SGISP | Special Group on International Standardized Profiles |
| SGJP | Satellite Graphic Job Processor |
| SGL | System Generation Language |
| SGM |
| SeGmentation Message |
| Shaded Graphics Modeling |
| SGML-B | Standard Generalized Markup Language - Binary |
| SGML |
| Standard Generalized Markup Language |
| Standard Generalized Markup Language / Standard Generic Markup Languange |
| SGMLB |
| Standard Generalized Markup Language Binary version "SGML", "SGML B" |
| Standard Generalized Markup Language Binary |
| SGMP |
| Simple Gateway Management Protocol |
| Simple Gateway Management Protocol / Simple Gateway Monitoring Protocol |
| Simple Gateway Monitoring Protocol |
| SGND | Signal Ground |
| SGP | Statistics Generation Program |
| SGR | Set Graphics Rendition |
| SGRAM |
| Synchronous Graphic RAM |
| Synchronous Graphics RAM |
| Synchronous Graphics Random Access Memory |
| SGT | Segment Table |
| SGTSI | Semi Graphical Tree Structure Interface |
| SH |
| Sample and Hold |
| Shared |
| Shield |
| SHA |
| Sample and Hold Amplifier |
| Secure Hash Algorithm |
| Secure Hash Algorithm cryptography, NIST |
| Super High Aperture ( technology LCD ) |
| Super High Aperture [LCD] |
| Swedish Hackers Association |
| SHAR | Shell Archive |
| SHARC | Super Harvard ARchitecture Computer |
| SHED |
| Segmented Hypergraphic Editor |
| Segmented Hypergraphics EDitor |
| SHERIFF | Statistical Heuristic Engine to Reliably and Intelligently Fight Fraud |
| SHF |
| Super High Frequency |
| Super High Frequency ( 3 30GHz ) |
| SHG | Segmented Hypergraphics |
| SHIBNI | SHIpped But Not Invoiced |
| SHL | Shift Logical Left |
| SHOM | Service Hydrographique et Océanographique de la Marine |
| SHR | Shift Logical Right |
| SHS |
| Secret Hackers Society |
| Secure Hash Standard |
| SHT | Short Holding Time |
| SHTML |
| Server Side Include HyperText Markup Language |
| Server-parsed HyperText Markup Language |
| SHTSI | Somebody Had To Say It slang, Usenet |
| SHTTP |
| Secure HTTP |
| Secure HyperText Transfer Protocol "HTTP", "S HTTP" |
| SHV |
| Standard High Volume |
| Standard High Volume [motherboard] |
| SHW | Show "file name extension" |
| SI/SO |
| Serial In/Serial Out |
| Shift In/Shift Out |
| SI |
| SPARC International |
| SPDU Identifier |
| Schweizer Informatikergesellschaft |
| Serial Input |
| Shift In |
| Shift In ( ASCII control code ) |
| Shift In (ASCII) |
| Signal Integrity |
| Source Index |
| Source Index [register] CPU, Intel, assembler |
| Status Indicator |
| Step Index |
| System Information |
| System Integration |
| Système International |
| SIA |
| Secondary Initialization Area |
| Semiconductor Industry Association |
| Semiconductor Industry Association ( Washington DC ) |
| Special Interface Adapter |
| Stable Implementation Agreements |
| SIAD | Système d'Information et d'Aide a la Décision |
| SIAM |
| (The) Society for Industrial and Applied Mathematics |
| Society for Industrial and Applied Mathematics |
| System Integrated Access Method |
| SIB |
| Serial Interface Bus |
| Service Independent building Block |
| Session Information Block |
| SIC |
| Serial Interface Card |
| Shareware Industry Conference |
| Silicon Integrated Circuit |
| Standard Industrial Classification |
| Standard Industrial Classification ( numbering code ) |
| Standard Industrial Code |
| Standard Industry Classification |
| Subject Indicator Code |
| SICAS | Semiconductor International CApacity Statistics |
| SICB | Subinterrupt Control Block |
| SICL | Standard Instrument Control Library ( Hewlett Packard ) |
| SICS |
| Service Implementation Conformance Statement |
| Swedish Institute of Computer Sciences |
| SID |
| SWIFT Interface Device |
| Satanic Incarnate of Doom |
| Security IDentificateur. |
| Security Identifier |
| Serial Input Data |
| Service ID |
| Signaling Identifier |
| Society for Information Display |
| Source Identifier |
| Station Identification |
| Sub object IDentifier |
| Sudden Ionospheric Disturbance |
| Switch Interface Device |
| Symbolic Interactive Debugger |
| System ID |
| System IDentification |
| SIDAT | Subsystems Integrated Design Assessment Technology |
| SIDF | System Independent Data Format |
| SIDH | System Identification for Home systems |
| SIDM | Serial Impact Dot Matrix [printer] |
| SIDR | Service Independent Data Requester |
| SIDT | Store Interrupt Descriptor Table |
| SIE | Satellite Imaging Experiment |
| SIENET | Siemens Network |
| SIETEM | Siemens TTCN Test Manager |
| SIF | Significant Pel Field |
| SIFT |
| Signal Integrity Filtering Technology |
| Stanford Information Filtering Tool |
| SIFTUFT | Sender Initiated File Transfer/Unsolicited File Transfer "RFC 1440","SIFT/UFT" |
| SIG |
| Signal |
| Sistema Integrado de Gestão |
| Special Interest Group |
| Système d'Information Géographique |
| SIGARCH | Special Interest Group for computer Architecture |
| SIGART | [ACM] Special Interest Group on ARTificial intelligence |
| SIGBIT | Special Interest Group on Business Information Technology |
| SIGCAT |
| Special Interest Group for CD ROM Applications Technology |
| Special Interest Group on CD ROM Applications and Technology |
| Special Interest Group on CD-Rom Applications and Technology |
| SIGCPR | Special Interest Group on Computer Personal Research |
| SIGCSE | Special Interest Group on Computer Science Education |
| SIGDA | Special Interest Group on Design Automation |
| SIGG | SIGnaturGesetz "DFUE", "SigG" |
| SIGGRAPH | Special Interest Group for computer Graphics |
| SIGINT | Signals Intelligence |
| SIGMA | Software Industrialized Generator and Maintenance Aids system |
| SIGPLAN |
| Special Interest Group for Programming LANguages |
| Special Interest Group on Programming Languages |
| SIGUCCS | [ACM] Special Interest Group on University and College Computing Services |
| SIGV | SIGnaturVerordnung "DFUE", "SigV" |
| SIGWEB | Special Interest Group on the world wide WEB |
| SII |
| Silicon Integration Initiative |
| Standard Individual Identifier |
| Static Invocation Interface |
| SIIRCM | Suite of Integrated Infrared Countermeasures (Army) |
| SIL | Semiconductor Injection Laser |
| SILEX | Semiconductor Inter satellite Link Experiment |
| SILS |
| Secure Interoperable LAN/MAN Standard |
| Standard for Interoperable LAN Security |
| SIM |
| Service Industry Marketing |
| Signal Interface Module |
| Simulator |
| Subscriber Identify Module ( GSM ) |
| Subscriber Identity Module |
| System Identification Module |
| SIMD |
| Single Instruction Multiple Data |
| Single Instruction Multiple Data ( architecture ) |
| Single Instruction Multiple Data stream |
| Single Instruction [stream], Multiple Data [stream] |
| SIMDIS | SIMulation DISposition |
| SIMIS | SIcheres MIkroprozessor System |
| SIMM |
| Single In line Memory Module |
| Single In-Line Memory Module |
| Single Inline Memory Module |
| SIMNET | SIMulation NETwork network |
| SIMOT | SIMulation and Optimization Tool |
| SIMOX | Separation by IMplanted OXygen ( silicon on insulator process ) |
| SIMP | Satellite Information Message Protocol |
| SIMTEL | Simulation and Teleprocessing |
| SIMULA | Simulation |
| SINA | Static Integrated Network Access |
| SINAD | SIgnal to Noise ratio And Distortion |
| SINALP | Sistema Nacional de Acreditamiento de Laboratories de Pruebas ( Mexico ) |
| SIO |
| Security Information Object |
| Serial Input/Output |
| Simultan Input Output |
| SIP |
| SCSI 3 Interlocked Protocol |
| SMDS Interface Protocol |
| Scientific Instruction Processor |
| Serial Interface Port |
| Session Initiation Protocol |
| Simple Internet Protocol |
| Simulated Input Processor |
| Single In line Package |
| Strategische InformationsPlanung |
| Symbolic Input Program |
| System Initialize Program |
| SIPC | Simply Interactive Personal Computer |
| SIPL | State In Programming Languages |
| SIPO |
| Serial In Parallel Out |
| Systems Installation Productivity Option |
| SIPP |
| SIP Plus Protocol |
| SImple Polygone Processor |
| Simple Internet Protocol Plus |
| Single In line Pin Package |
| Single Inline Package Pin |
| Single Internet Protocol Plus |
| SIPRNET |
| Secret IP Router NETwork DISN, mil. |
| Secret IP Router Network (usually as SIPRnet) |
| SIR |
| Save Instruction Recognition |
| Selective Information Retrieval |
| Serial InfraRed |
| Sicherheit im Rechenzentrum |
| Speaker Independent Recognition |
| Statistical Information Retrieval |
| Substained Information Rate |
| Sustainable Information Rate |
| SIRDS |
| Single Image Random Dot Stereogram |
| Single Image Random Dot Stereograms |
| SIRE | Syracuse Information Retrieval System |
| SIRENE | Supplementary Information REquest at the National Entry SIS, Europe |
| SIRFC | Suite of Integrated Radar Frequency Countermeasures (Army) |
| SIRTF | Space InfraRed Telescope Facility ( University of Rochester ) |
| SIS |
| Schengen Information System Polizei, Europe |
| Silicon Integrated Systems [corp.] manufacturer, Taiwan |
| Software Information Services |
| Standardisering-skommissionen In Sverige (Swedish Standards Committee) |
| Stellen Informations Service |
| Strategic Information System |
| Structured Information Store |
| SISAL | Streams and Iteration in a Single Assignment Language |
| SISD |
| Single Instruction Single Data ( mode ) |
| Single Instruction Single Data Stream |
| Single Instruction [stream], Singke Data [stream] |
| SISL | System Interrupt Steering Logic |
| SISO |
| Serial In Serial Out |
| Shift In Shift Out |
| SIT |
| Solutions Internet Technilogic |
| Special Information Tones |
| Stuff It "compressed file name extension" "Macintosh" |
| System Initialization Table |
| SITA |
| Societe Internationale des Telecommunications Aeronautiques |
| Society for International Telecommunications for Aeronautics |
| SITD |
| Still In The Dark |
| Still In The Dark slang |
| SIU |
| System Integration Unit |
| System Interface Unit |
| SIVC | Simple Internet Version Control |
| SIVR | Speaker Independent Voice Recognition |
| SIWPS | Simple Internet White Pages Service |
| SJF | Shortest Job First |
| SJG | Steve Jackson Games |
| SJWG | Security Joint Working Group |
| SKIA | Secure Key Issuing Authority |
| SKIP |
| Simple Key Management for Internet Protocols |
| Simple Key for Internet Protocol |
| Simple Key management for Internet Protocols Internet, cryptography, Sun |
| SKISM | Smart Kids Into Sick Methods |
| SKS | Single Kernel Simulation |
| SKU# | Stock Keeping Unit Number |
| SKU | Stock Keeping Unit |
| SL |
| "enhancement" |
| "processor" |
| Session Layer |
| SLA |
| Service Level Agreement |
| Site Level Aggregator ( ID IPv6 ) |
| SLAC | Stanford Linear Accelerated Center ( Menlo Park, CA ) |
| SLAM |
| Scanning Laser Acoustic Microscope |
| Simulation Language for Alternative Modeling |
| SLAN | Secure Local Area Network |
| SLAP | Subscriber Line Access Protocol |
| SLAR | Sideways Looking Airborne Radar |
| SLB | Static Load Balancing |
| SLBD | Sea Lite Beam Director |
| SLC |
| Semiconductor Laser Configurations |
| Service Level Contract |
| Simple Line Code [modulation] |
| Single Line Controller |
| Software License Configurator |
| Subscriber Line Charge |
| Subscriber Line Charges |
| Subscriber Line Concentrator |
| Subscriber Loop Carrier |
| Super Low Cost |
| SLCS | Software Lifecycle Support |
| SLD |
| Second Level Domain |
| Source Level Debugging |
| Subscriber Line Data ( interface ) |
| SLDC | Synchronous Data Link Control |
| SLDL | System Level Design Language |
| SLDRAM |
| SyncLink DRAM |
| SyncLink Dynamic Random Access Memory |
| SLDT | Store Local Descriptor Table |
| SLE |
| Screen List Editing |
| Screen List Editing / Screening Line Editor |
| SLED |
| Single Large Expensive Disk |
| Single Large Expensive Drive |
| SLEP | Service Life Extension Program |
| SLFP | Shared Frame Buffer Interconnect |
| SLI |
| Southern Lights Incorporated (usually as SLi) |
| System Level Integration |
| SLIB | Subsystem Library |
| SLIC |
| Serial Link and Interrupt Controller |
| Subscriber Line Interface Card |
| Subscriber Line Interface Card / Subscriber Line Interface Circuit |
| Subscriber Line Interface Circuit |
| Supplemental Logic and Interconnect Cell ( ORCA ) |
| System Level Integration Circuit |
| System Licensed Internal Code |
| SLICOFI | Subscriber Line Interface COdec FIlter |
| SLIM |
| Structured Language for Internet Markup |
| Subscriber Line Interface Module |
| SLIP |
| Serial Line Interface Protocol |
| Serial Line Interface Protocol / Serial Line Internet Protocol |
| Serial Line Internet Protocol |
| Serial Line Internet Protocol "Internet, RFC 1055", "SL/IP" |
| Serviceability Level Indicator Processing |
| SLM |
| Spatial Light Modulator |
| System Level Macro |
| SLMR |
| Silly Little Mail Reader |
| Silly Little Modem Reader |
| SLOSH | Sea Lake and Overland Surge from Hurricane |
| SLOT | Scanned Laser Output Terminal |
| SLP |
| Service Location Protocol |
| Service Logic Program |
| Symposium on Logic Programming conference |
| SLQ | Super Letter Quality [fonts] |
| SLR |
| Service Level Reporter |
| Single Lens Reflex (camera) |
| SLS |
| Sequential Logic Systems |
| Softlanding Linux System |
| Storage Library System |
| Syracuse Language Systems |
| System Level Silicon |
| SLSI | Super Large Scale Integration |
| SLSS | Systems Library Subscription Service |
| SLT |
| Solid Logic Technology |
| System Load Tape |
| SLU |
| Secondary Logical Unit |
| Serial Line Unit |
| Spoken Language Understanding |
| SM/ASI | Short Message / Advance Service Interface |
| SM |
| Segment Mark |
| Set Mode |
| Shared Memory |
| Standby Monitor |
| Surface Mount ( technology ) |
| SMA |
| Shared Memory Architecture |
| Software Migration Assistant |
| Standardization Management Activity |
| State Machine Analyzer |
| Sub-Miniature Assembly |
| SMAE |
| System Management Application Entity |
| Systems Management Application Entity |
| SMAF | Service Management Agent Function |
| SMAIL | Snail MAIL |
| SMAP |
| System Management Application Process |
| Systems Management Application Process |
| SMAPI | Simple Messaging Application Programming Interface |
| SMART |
| Selective Model Accuracy Refinement Technology |
| Self Monitoring Analysis and Reporting Technology |
| Self Monitoring, Analysis and Reporting Technology "HDD, Conner, IBM,Quantum, Seagate, WD", "S.M.A.R.T." |
| Software Metering and Resource Tracking |
| Source Migration Analysis Reporting Toolset |
| Source Migration And Reporting Tool |
| SMAS | Supplementary MAin Store |
| SMASE |
| System Management Application Service Element |
| Systems Management Application Service Element |
| SMATV | Small Master Antenna Television |
| SMAU | Smart Multistation Access Unit |
| SMB/SOHO | Small or Medium Business/Small Office Home Office |
| SMB |
| Server Message Block |
| Server Message Block (protocol) |
| Server Message Block [protocol] |
| SMBA | Shared Memory Buffer Architecture |
| SMBP | Sever Message Block Protocol |
| SMBus | System Management Bus |
| SMC |
| SCSI 3 Medium changer Commands |
| Secretariat Management Committee |
| Sleep Mode Connection |
| Space and Missile Systems Center |
| Standard Microsystems Corporation |
| Standard Microsystems Corporation manufacturer |
| Surface Mount Component |
| Surface Mounted Components |
| SMCC | Sun Microsystems Computer Corporation |
| SMD |
| Standard Model Drive |
| Storage Module Device |
| Storage Module Drive |
| Surface Mounted Device |
| System Management Bus |
| SMDAC | Single MAC Dual Attached Concentrator |
| SMDF | Subscriber Main Distributing Frame |
| SMDI |
| Simplified Message Desk Interface |
| Storage Module Disk Interconnect |
| SMDL | Standard Music Description Language |
| SMDR |
| Station Message Detail Recording |
| Station Message Detailed Recording |
| Storage Management Data Requester |
| SMDS |
| Switched Multi megabit Data Service |
| Switched Multimedia/Multi Megabit Data Service |
| Switched Multimegabit Data Service |
| SMDSCNM | SMDS Customer Network Management "SMDS", "SMDS CNM" |
| SME |
| Society of Manufacturing Engineering |
| Society of Manufacturing Engineers |
| Storage Management Engine |
| SMEG | Simulated Metamorphic Encryption Generator (virus) |
| SMEMA | Surface Mount Equipment Manufactures Association |
| SMEMR | System Memory Read |
| SMF |
| Service Management Function |
| Single Mode Fiber |
| System Management Function |
| System Manager Facility |
| SMFA |
| Special / System Management Functional Area |
| Systems Management Functional Area |
| SMFF | Script Mathematical Formula Formatter |
| SMG |
| Special Mobile Group ( ETSI Technical Committee ) |
| Special Mobile Group GSM, org. |
| SMI |
| Silicon Motion Inc. |
| Structure and identification of Management Information |
| Structure of Management Information |
| Sun Microsystems Inc. |
| Sun Microsystems Inc. manufacturer |
| System Management Interrupt |
| System Monitoring Interface |
| SMIB | System Management Information Base |
| SMIF | Standard Mechanical Interface |
| SMII | Serial Media Independent Interface |
| SMIL |
| Synchronized Multimedia Integration Language |
| Synchronized Multimedia Integration Language (pronounced Smile) |
| SMIME |
| Secure Multimedia Internet Mail Extension / Secure Multipurpose Internet Mail Extensio |
| Secure/Multipurpose Internet Mail Extensions MIME, MS, Lotus, Qualcomm,RSA, cryptography, "S/MIME" |
| SMIS |
| Service Marketing InformationsSystem |
| Specific Management Information Service |
| SMISE | Specific Management Information Service Element |
| SMIT | System Management Interface Tool |
| SMK |
| Shared Management Knowledge |
| Software Migration Kit |
| Structured Meta Knowledge |
| SML |
| Service Management Layer |
| Shared Memory Link |
| Siemens Modular Link |
| Spool Multileaving |
| Standard Machine Language |
| Standard Meta Language |
| SMLNJ | Standard Meta Language / New Jersey, "SML/NJ" |
| SMM |
| System Management Mode |
| System Management Monitor |
| System Manager's Manual |
| SMO |
| Stabilized Master Oscillator |
| System Management Overview |
| SMOBC | Solder Mask Over Bare Copper |
| SMOP |
| Simple Matter of Programming |
| Simply a Matter Of Programming |
| SMP |
| Sample "file name extension" |
| Session Management Protocol |
| Simple Management Protocol |
| Software Motion Picture |
| Standby Monitor Present |
| Symbolic Manipulation Program |
| Symmetric MultiProcessor [system] |
| Symmetric Multiprocessor |
| Symmetrical Multi Processing |
| Symmetrical MultiProcessing |
| Symmetrisches MultiProzessor [system] |
| System Modification Program |
| SMPC | Shared Memory Parallel Computer |
| SMPDU | Service Message Protocol Data Unit / System Management Protocol Data Unit |
| SMPS |
| Switched Mode Power Supply |
| Switching Mode Power Supply |
| SMPTE |
| Society of Motion Picture and Television Engineering |
| Society of Motion Picture and Television Engineers |
| Society of Motion Picture and Television Engineers org. |
| SMPU | Switch Module Processor Unit |
| SMQ | Save/restore Message Queue |
| SMR |
| Source Maintainability and Reliability |
| Specialized Mobile Radio [systems] |
| SMRAM |
| System Management RAM |
| System Management Random Access Memory |
| SMRP | (AppleTalk) Simple Multicast Routing Protocol |
| SMRT | Signal Message Rate Timing |
| SMS |
| Self-Maintenance Services |
| Service Management System |
| Short Message Service |
| Short Message Service ( GSM ) |
| Short Message Systems |
| Small Messaging System |
| Station Management System |
| Storage Management Services |
| Storage Management Subsystem/System |
| Synchronous Matrix Solver |
| System Managed Storage |
| System Management Server |
| System Measurement Software |
| Systems Management Server |
| SMSA | Standard Metropolitan Statistical Area |
| SMSAC | Society of Management Science and Applied Cybernetics |
| SMSC |
| Short Message Service Center |
| Short Message Service Center ( GSM ) |
| Standard MicroSystems Corporation ( Hauppauge NY ) |
| SMSCEMI | Short Message Service Center External Machine Interface [protocol] |
| SMSP | Storage Management Services Protocol |
| SMSW | Store Machine Status Word |
| SMT |
| Segment Table Map |
| Shared Memory Transport |
| Software Managed Task |
| Station ManagemenT |
| Surface Mount Technology |
| System Management Terminal |
| SMTA | Subordinate Message Transfer Agent |
| SMTP |
| Simple Mail Transfer Protocol |
| Simple Mail Transport Protocol |
| SMU |
| Source Measure Unit |
| System Management Utility |
| SMUX | SNMP MUltipleXing protocol |
| SMV | Symbolic Model Verifier |
| SMZ | Soft switched, Multi resonant, Zero current ( power controller ) |
| SN |
| Sequence Number |
| Serial Number |
| Subscriber Number |
| SNA |
| Scalar Network Analyzer |
| Systems Network Architecture |
| Systems Network Architecture ( IBM protocol ) |
| SNAC |
| SNA Network Access Controller |
| SubNetwork ACcess [functions] |
| SNACP |
| SubNetwork ACcess Procedure "ISO, IS 8648, SNAC", "SNAcP" |
| SubNetwork Access Protocol (usually as SNAcP) |
| Subnetwork Access Protocol |
| [PPP] Systems Network Architecture Control Protocol |
| SNADS |
| System Network Architecture Distributes Services |
| Systems Network Architecture Distribution Service |
| SNAFU |
| Situation Normal All Fucked Up |
| Situation Normal All Fouled Up slang |
| Situation Normal All Fucked Up |
| SNAIP | [advanced] Systems Network Architecture/Internet Protocol "SNA, IP, RFC1538", "SNA/IP" |
| SNAP |
| Sub Network Access Protocol |
| Sub Network Attachment Point |
| SubNetwork Access Protocol |
| SubNetwork Access Protocol LAN, ethernet |
| SubNetwork Attachment Point |
| System and Network Administration Program |
| SNAPI | Structured N Dimensional Application Program Interface |
| SNARE | SubNetwork Address Resolution Entity |
| SNBU | Switched Network Backup |
| SNCP | Single Node Control Point |
| SND | Sound |
| SNDC | SubNetwork Dependent Convergence [functions] |
| SNDCF | SubNetwork Dependent Convergence Facility / SubNetwork Dependent Convergence Function |
| SNDCP |
| Sub Network Dependent Convergence Protocol |
| SubNetwork Dependent Convergence Procedure |
| SubNetwork Dependent Convergence Protocol |
| SNDR | Signal to Noise and Distortion Ratio |
| SNE | Single Nylon Enamelled ( wire ) |
| SNEPS | Semantic NEtwork Processing System "GNU, LISP", "SNePS" |
| SNET | Southern New England Telephone |
| SNEWS |
| Secure News Server |
| SuperNova Early Warning System |
| SNF |
| Sequence Number Field |
| Server Natural Format |
| Shared Network Facilities |
| SNG |
| Satellite News Gathering |
| Secured Network Gateway |
| SNHC | Synthetic Natural Hybrid Coding |
| SNI |
| SNA Interconnect |
| SNA Network Interconnection |
| Siemens Nixdorf Incorporated |
| Siemens Nixdorf Informationssysteme ( AG Paderborn Germany ) |
| Siemens Nixdorf Informationssysteme [AG] manufacturer |
| Siemens Nixdorf Informationsysteme |
| Subscriber Network Interface |
| System Network Interconnect |
| SNIA | Storage Network Industry Association |
| SNIC | SubNetwork Independent Convergence [functions] |
| SNICF | SubNetwork Independent Convergence Facility |
| SNICP |
| SubNetwork Independent Convergence Procedure |
| Subnetwork Independent Convergence Protocol |
| SNIP | Service Node Intelligent Peripheral |
| SNL | Sandia National Laboratory |
| SNMP | Simple Network Management Protocol |
| SNNS | Stuttgart Neural Network Simulator |
| SNO | Sudbury Neutrino Observatory ( http://www.sno.phy.queensu.ca/ ) |
| SNOBOL |
| StriNg Orientated symBOlic Language |
| String Oriented Symbolic Language |
| SNOMED | Systematized Nomenclature Of Medecine |
| SNP |
| Sequence Number Protection |
| Serial Number/Password |
| SubNetwork Protocol |
| SNPA |
| Sub Network Point of Attachment |
| SubNetwork Point of Attachment |
| SNPP | Simple Network Paging Protocol |
| SNR |
| Serial NumbeR |
| Signal to Noise Ratio |
| Signal to Noise Ratio [ the ratio of the magnitude of the signal to that of the noise ] |
| Signal-to-Noise Ratio |
| SNRM | Set Normal Response Mode |
| SNRME | Set Normal Response Mode Extension |
| SNS |
| Satellite Navigation System |
| Secure Network Server |
| SNT | SchaltNetzTeil |
| SNTP | Simple Network Time Protocol |
| SNTSC | Super NTSC |
| SO DIMM |
| Small Outline DIMM |
| Small Outline Dual in Line Memory Module |
| SO-DIMM | Small Outline Dual Inline Memory Module |
| SO |
| Serial Output |
| Shift Out ( ASCII control code ) |
| Shift Out (ASCII) |
| Significant Other |
| Significant Other (aka Spouse, boyfriend/girlfriend) |
| Small Outline |
| Spatial Orientation |
| System Option |
| SOA |
| Safe Operating Area |
| Safe Operating Area ( transistor parameters ) |
| Server Of Authority |
| Start Of Address |
| Start Of Authority |
| Start Of Authority record |
| State Of the Art slang |
| SOAC |
| Server Of Authority Check |
| Service Order Analysis Control |
| SOAP |
| Simple Object Access Protocol |
| Spectrometric Oil Analysis Program |
| Symbolic Optimizer and Assembly Program |
| SOB | Start Of Block |
| SOC. | Social Issues |
| SOC |
| Service Oversight Center |
| Special Operations Command |
| System On a Chip |
| Systems and Option Catalog |
| SOCC | Standard Optical Cable Code |
| SOCCA | Specification Of Coordinated and Cooperative Activities |
| SOCKS | Socket Secure |
| SOD | Sum Of the year Digit |
| SODA | System Optimization and Design Algorithm |
| SODEC | Société de Développement des Entreprises Culturelles |
| SODIMM | Small Outline Dual Inline Memory Module |
| SODIS | SOftware Dokumentations und InformationsSystem |
| SOE |
| Standard Operating Environment |
| Standards of Excellence |
| SOEP | Secondary Operand Execution Pipeline "Motorola, CPU", "sOEP" |
| SOF |
| Special Operations Forces |
| Start Of Format |
| Start Of Frame |
| SOFABED | [davenport] Standard Open Formal Architecture for Browsable ElectronicDocuments |
| SOFC | Solid Oxide Fuel Cell |
| SOG | Sea Of Gates ( architecture ) |
| SOGITS | Senior Officials' Group for Information Technology Standardization |
| SOGT | Senior Officials' Group for Telecommunications |
| SOH |
| Section OverHead |
| Service Order History |
| Start Of Header |
| Start Of Header ( ASCII control code ) |
| Start Of Header / Start Of Heading (ASCII) |
| SOHO |
| Small Office / Home Office [market] |
| Small Office, Home Office |
| Small Office/Home Office |
| SOI |
| Signal Of Interest |
| Silicon On Insulator ( process ) |
| Silicon on Insulator |
| Space Object Identification |
| SOIC | Small Outline Integrated Circuit |
| SOIF | Summary Object Interchange Format |
| SOJ |
| Small Outline J Lead |
| Small Outline J lead [chip] |
| Small Outline with J Lead |
| SOL |
| Simulation Oriented Language |
| Socioty of Lamers [sic] (usually as SoL) |
| SOLED | Stacked Organic Light Emitting Diode ( UDC ) |
| SOLO | Simple Object Lookup protocol |
| SOM |
| Self Organizing Machine |
| Small Office Microfilm |
| Start of Message |
| Structured Object Method |
| System Object Model |
| System Operator's Manual |
| SONAR |
| Service Order Negotiation And Retrieval |
| Sound Navigation and Ranging |
| SONDS | Small Office Network Data System |
| SONET | Synchronous Optical NETwork |
| SOP |
| Small Outline Package |
| Standard Operating Procedure |
| Standard Operating Procedures |
| Study Organization Plan |
| Sum Of the Pieces |
| SOPC | System On a Programmable Chip |
| SOR |
| Starfire Optical Range |
| Statement Of Requirements |
| SOS |
| Save Our Souls |
| Share Operating System |
| Silicon On Sapphire |
| Silicon On Sapphire ( process ) |
| Son of Stopgap |
| Sophisticated Operating System |
| Standards and Open Systems |
| Support On Site |
| Symbolic Operating System |
| SOSP | System Operational and Support Plan |
| SOT |
| Small Outline Transistor |
| Start Of Text |
| SOTA |
| State Of The Art |
| State Of The Art ( Inc. ) |
| State of the Art slang |
| SOTUS | Sequentially Operated Teletypewriter Universal Selector |
| SOVA | Soft Output Viterbi Algorithm |
| SOW | Statement Of Work |
| SOX |
| Sound EXchange [software] |
| Sound Exchange |
| SP |
| SPace ( ASCII character code ) |
| SPare |
| Security Protocol |
| Service Pack |
| Service Pack MS, Windows NT |
| Service Provider |
| Signal Processor |
| Signaling Point |
| Single Precision |
| Space Character |
| Speech Processing |
| Stack Pointer |
| Stack Pointer [register] CPU, Intel, assembler |
| Structured Programming |
| System Product |
| SPA |
| Scratch Pad Area |
| Secure Password Authentication |
| Software Performance Analyzer ( HP ) |
| Software Publishers Association |
| Spanning Tree Algorithm |
| System Performance Analysis ( tool ) |
| SPACECOM | Space Command |
| SPAG |
| Standards Promotion and Application Group |
| [european] Standards Promotion and Application Group |
| SPAM | Spiced Pork and hAM |
| SPAN | Space Physics Analysis Network |
| SPANS | Simple Protocol for ATM Network Signalling |
| SPAP | ??? Protocol |
| SPARC |
| Scalable Processor Architecture |
| Scaleable Performance Architecture |
| Standard Planning And Requirement Committee ANSI, org. |
| Sun's Palo Alto Research Center |
| SPAT | Speech Pronounciation Analysis Training "Uni Mainz", "S.P.A.T." |
| SPAWAR | Space & Naval Warfare Systems Command |
| SPB |
| Saint Petersburg |
| Sea Plane Base |
| Security Policy Board |
| Shanghai Price Bureau |
| Shanghai Sports Bureau |
| Ship Protected Barrier (US Navy) |
| Single-Point Background |
| Special Pathogens Branch (Centers for Disease Control) |
| Spindle Pole Body (biology, biochemistry) |
| St Thomas Island, VI, USA - Seaplane Base (Airport Code) |
| State Personnel Board |
| Strategic Planning Board |
| Strategic Planning and Budget (Office) |
| SPBD |
| Springboard |
| Strategic Planning and Business Development |
| SPBE |
| Saw Palmetto Berry Extract |
| Self-Pacing Biology Experiences (textbook) |
| Society of Parrot Breeders and Exhibitors |
| Solving Problems Without Bruising Egos (ASPCA course) |
| Special Property Broadening End (insurance) |
| Super Pressure Balloon Experience (NASA) |
| Switching and Presence Back-End |
| Syndicat des Producteurs de Bois de l'Estrie |
| SPBGMA | Society for the Preservation of Bluegrass Music of America |
| SPBM | Small Parcel Bundle Machine (USPS) |
| SPBS | Small Parcel Bundle Sorter |
| SPC |
| SCSI 3 Primary Commands |
| Service Control P |
