| Nom | Description |
| L1 | Level 1 ( primary, first level ) |
| L2 | Level 2 ( secondary, second level ) |
| L2F |
| Layer 2 Forwarding |
| Layer 2 Forwarding [protocol] |
| Layer Two Forwarding |
| L2TP |
| Layer 2 Transport/Tunneling Protocol |
| Layer 2 Tunneling Protocol |
| Layer Two Tunneling Protocol |
| L4G | Langage de 4eme Generation |
| L8R |
| Later |
| Later (as in Good-bye) |
| L | Low ( level ) |
| LA |
| Limited Availability |
| Limiting Amplifier |
| Line Adapter |
| Location Area |
| Louisiana |
| LAA | Locally Administered Address |
| LAAS | Laboratoire d'Analyse et d'Architecture des Systèmes |
| LAB | Logic Array Block ( Altera ) |
| LABRI | Laboratoire Bordelais de Recherche en Informatique |
| LAC |
| Loop Assignment Center |
| Lotus Authorized Consultants |
| LAD | Local Area Disk |
| LADAR | Light Amplification for Detection and Ranging |
| LADD | Llow Angle Drogue Delivery |
| LADDR | Layered Device Driver Architecture |
| LADL | Large Amplitude Differential Logic |
| LADS | Local Area Data Service |
| LADT |
| Local Access Data Transport |
| Local Access Data Transport / Local Area Data Transport |
| Local Area Data Transport |
| LAEC | Lotus Authorized Education Center |
| LAFORIA | Laboratoire des Formes et d'Intelligence Artificielle |
| LAG | Logical Address Group |
| LAIS | Local Automatic Intercept System |
| LAL | Leased Access Line |
| LALL | Longest Allowed Lobe Length |
| LAM |
| Lobe Attachment Module |
| Local Area Multicomputer |
| LAMA | Local Automatic Message Accounting |
| LAMBD | Laser Assisted Molecular Beam Disposition |
| LAN/RM | Local Area Networks Reference Model |
| LAN | Local Area Network |
| LANACS | Local Area Network Asynchronous Connection Server |
| LANAO | Local Area Network Automation Option |
| LANCE | Local Area Network Controller Ethernet |
| LANDP | LAN Distributed Platform |
| LANE |
| LAN Emulation ( over ATM ) |
| Local Area Network Emulation |
| Local Area Network Emulation [over ATM specification] |
| LANG | Language |
| LANIC | Local Area Network Interface Card / Local Area Network Interface Controller |
| LANL |
| Los Alamos National Laboratory |
| Los Alamos Nuclear Laboratories |
| LANTIRN | Low Altitude Navigation and Targeting Infrared for Night |
| LAO |
| Langage A Objet |
| Lecture Assistée par Ordinateur |
| LAP B | Link Access Protocol Balanced |
| LAP D | Link Access Protocol D channel |
| LAP-M | Link Access Procedure for Modems |
| LAP |
| Link Access Procedure / Link Access Protocol |
| Link Access Procedure / Protocol |
| Linux Application Platform |
| LAPB |
| Link Access Procedure Balanced |
| Link Access Procedure Balanced |
| Link Access Procedure Balanced / Link Access Protocol Balanced |
| LAPD |
| Link Access Procedure |
| Link Access Procedure on the D channel |
| Link Access Protocol Direct |
| LAPIC | Local Advanced Programmable Interrupt Controller |
| LAPM |
| Link Access Procedure for Modem |
| Link Access Procedure for Modems |
| Link Access Protocol for Modems |
| LAPS | LAN Adapter and Protocol Support |
| LAPX | Link Access Procedure half dupleX |
| LAR | Load Access Rights |
| LASAR | Logic Automated Stimulus And Response |
| LASE | Large Aperture Speckle Experiment |
| LASER | Light Amplification by Stimulated Emission of Radiation |
| LASP | Local Attached Support Processor |
| LASR | Letter Writing With Automatic Send Receive |
| LASRE | Linear Aerospike SR 71 Experiment |
| LASS |
| Local Area Signaling Service |
| Local Area Signaling Service / Local Area Switching Service |
| LAST | Local Area System Transport |
| LASTport | Local Area Storage Transport |
| LAT |
| Laser Ablation Transfer |
| Local Access Terminal |
| Local Area Terminal |
| Local Area Transport |
| LATA |
| Local Access Transport Area |
| Local Access Transport Area / Local Access and Transport Area |
| Local Access and Transport Area |
| Local Area Telephone Authority |
| LATIS | Loop Activity Tracking Information System |
| LATM | Local Asynchronous Transfer Mode |
| LAU | Line Adapter Unit |
| LAVAS | LAger und VersandAbwicklungsSystem |
| LAVC | Local Area Vax Cluster |
| LAW | Local Authority Workstation |
| LAWN | Local Area Wireless Network |
| LB |
| Leaky Bucket |
| Left Button |
| Local Bus |
| Low Battery |
| Pound (usually as lb) |
| LBA |
| Large Block Addressing |
| Logical Block Addressing |
| LBB | Logic Building Block |
| LBD | Laser Beam Detector |
| LBG | Load Balancing Group |
| LBI | Local Bus Interface |
| LBL | Label |
| LBM | Local Bus Master |
| LBN | Logical Block Number |
| LBNL | Lawrence Berkeley National Laboratory ( Berkeley CA ) |
| LBO |
| Lean BlowOut |
| Line BuildOut |
| LBR |
| Laser Beam Recording |
| Librarian |
| Library "file name extension" |
| LBRV | Low Bit Rate Voice |
| LBS |
| LAN Bridge Server |
| Load Balance System |
| LBT |
| Listen Before Talk |
| Local Bus Target |
| LBX |
| Local Bus Accelerator |
| Low Band with X |
| LC |
| Line Conditioner |
| Link Control |
| Local Channel |
| Loopback Capability |
| LCA |
| Linear Cellular Automata |
| Logic Cell Array |
| Lotus Communications Architecture |
| LCAMOS | Loop CAble Maintenance Operation System |
| LCB |
| Lasered Circuit Board |
| Line Control Block |
| LCC |
| Leadless Chip Carrier |
| Lifecycle Cost |
| Local Communication Controller ( IBM ) |
| Local Control Center |
| Longitudinal Check Character |
| Lost Calls Cleared |
| LCCIS | Local Common Channel Interoffice Signaling |
| LCCL | Line Card Cable |
| LCCLN | Line Card Cable Narrative |
| LCCM | LAN Client Control Manager |
| LCD |
| LISP Code Directory |
| Line Current Disconnect |
| Liquid Crystal Display |
| Loss of Cell Delineation |
| Lost Calls Delayed |
| Lowest Common Denominator |
| LCDDS | Leased Circuit Digital Data Service |
| LCDN | Last Call Directory Number |
| LCF |
| Lightweight Client Framework |
| Log Control Function |
| Low Cost Fiber |
| LCFD | Loosely Coupled Federated Database |
| LCGI | Local Common Graphics Interface |
| LCGN | Logical Channel Group Number |
| LCH | Logical Channel Queue |
| LCI |
| Line Conducted Interference |
| Logical Channel Identifier / Logical Channel Identification |
| LCIE | Lightguide Cable Interconnection Equipment |
| LCK | Library Construction Kit |
| LCLOC | Line Card LOCation |
| LCM |
| LEAF Creation Method EES, cryptography |
| Line Concentrating Module |
| Local Connection Manager ( S.300 ) |
| LCN |
| Local Computer Network |
| Logical Channel Number |
| Logical Channel Numbers |
| LCOS | Liquid Crystal On Silicon ( display ) |
| LCP |
| Language Conversion Program |
| Link Control Procedure |
| Link Control Protocol |
| Liquid Crystal Polymer ( resin ) |
| [PPP] Link Control Protocol |
| LCR |
| Least Cost Routing |
| Least Cost Routing ( ISDN ) |
| Line Control Register |
| LCRMKR | Line Card Remarks, Retained |
| LCS |
| LAN Channel Station |
| Laboratory for Computer Science |
| Large Capacity Storage |
| Liquid Crystal Shutter |
| Lotus Communication Server |
| LCSD | Laminate Chip Signal Diode |
| LCSE | Line Card Service and Equipment |
| LCSEN | Line Card Service and Equipment Narrative |
| LCSS | Liquid Crystal Stereoscopic Shutter [display] |
| LCT-RTS | Languages, Compilers, and Tools for Real-Time Systems |
| LCT |
| Large Capacity Tray |
| Last Compliance Time |
| LCU |
| LAN CID Utility |
| Last Cluster Used |
| Loop Control Unit |
| LCV | Line Coding Violation [error event] |
| LD CELP | Low Delay Code Excited Linear Prediction ( compression method ) |
| LD |
| LAN Destination |
| Laser Diode |
| Long Distance |
| Low Density |
| LDA |
| Laminated Disk Assembly |
| Load to Accumulator |
| Logical Device Address |
| LDAP | Lightweight Directory Access Protocol |
| LDAPAPI | Lightweight Directory Access Protocol Application Program Interface "LDAP,RFC 1823, API", "LDAP API" |
| LDC | Lotus Development Corporation |
| LDCM | LANDesk Client Manager |
| LDD |
| Lightly Doped Drain |
| List Dynamic Dependencies |
| LDDI | Local Distributed Data Interface |
| LDDS |
| Local Distributed Data Service |
| Long Distance Discount Services |
| LDEV | Logical Device (number) |
| LDI | Laser Direct Imaging |
| LDID | Logical Disk IDentifier |
| LDM |
| Limited distance Modem |
| Logical Disk Manager |
| Long Distance Modem |
| LDMOS |
| Lateral DMOS |
| Laterally Diffused Metal Oxide Silicon |
| Laterally Doped MOS |
| LDMTS | Long Distance Message Telecommunications Service |
| LDN | Listed Directory Number |
| LDO |
| Logical Device Order |
| Low Drop Out ( voltage regulator ) |
| LDP |
| Label Distribution Protocol |
| Laboratory Data Products |
| Linux Document Projecta |
| Live Database Pages |
| Loader Debugger Protocol |
| LDR |
| Light Dependent Resistor |
| Light Detect Resistor |
| LDRC | Logic Design Rule Check |
| LDS | Local Digital Switch |
| LDSC | Long Distance System Control |
| LDT | Local Descriptor Table |
| LDTR |
| Load Descriptor Table Register CPU, Intel, assembler |
| Local Descriptor Table Register |
| LDTRC | Local Descriptor Table Register Cache |
| LDVA | LaenderDatenVerareitungsAnlage |
| LDX | Long Distance Xerography |
| LE |
| LAN Emulation |
| LANCE Ethernet |
| Less or Equal |
| Less than or Equal to |
| LEA |
| Law Enforcement Agency |
| Load Effective Address |
| LEAD | Live Early Adoption and Demonstration |
| LEAF |
| Law Enforcement Access Field |
| Law Enforcement Access Field EES, cryptography |
| LEAP |
| Lightweight Exo Atmospheric Projectile |
| Low power Enhanced At Portable |
| LEARP | LAN Emulation Address Resolution Protocol "LANE, ARP, ATM", "LE ARP" |
| LEAS | LATA Equal Access System |
| LEBC | Low End Business Center |
| LEC |
| LAN Emulation Client |
| Layered Error Correction |
| Line Echo Cancellation |
| Local Area Network Emulation Client |
| Local Exchange Carrier |
| LECID | LAN Emulation Client IDentifier |
| LECS |
| LAN Emulation Configuration Server |
| Local area network Emulation Configuration Server |
| LED | Light Emitting Diode |
| LEDS | Low End Disk Systems |
| LEETAC | Law Enforcement Electronic Technology Assistance Committee |
| LEF | Library Exchange Format |
| LEGSS | Low End Graphics Sub-System |
| LEL |
| Link Embed and Launch to edit |
| Link, Embed and Launch |
| Lower Explosive Limit |
| LEM |
| Language Extension Module |
| Link Error Monitor ( network ) |
| LEN |
| Large Extension Node |
| Low Entry Networking |
| LENCL | Line Equipment Number CLass |
| LENNI | LAN Emulation Network-to-Network Interface |
| LENS | Laser Engineered Net Shaping |
| LEO |
| Light Emitting Organic |
| Link Everything Online |
| Low Earth Orbit |
| Low Earth Orbit ( satellite ) |
| LEOS |
| Low Earth Orbit Satellite |
| Low Earth Orbit Satellites |
| LEP |
| Light Emitting Polymer |
| Light Emitting Polymers |
| LER | Light Emitting Diode |
| LERP | Linear Interpolation |
| LES |
| LAN Emulation Server |
| Language Engineering Services |
| Line Errored Seconds |
| Local Area Network Emulation Server |
| LEST | Low End Systems and Technologies |
| LET | Letter "file name extension" |
| LETI |
| Laboratoire d'Electronique de Technologie et d'Instrumentation |
| Laboratoire d'Electronique, de Technologie et d'Instrumentation |
| LEX | Lexicon |
| LF |
| Largest Frame |
| Line Feed |
| Line Feed ( ASCII control code ) |
| Line Feed (ASCII) |
| Line Finder |
| Login Facility |
| Low Frequency |
| LFA |
| Link Field Address |
| Local Feature Analysis |
| LFACS | Loop Facilities Assignment and Control System |
| LFAP |
| Leight weight Flow Admission Protocol |
| Lightweight Flow Admission Protocol |
| LFB | Linear Frame Buffer |
| LFC | Local Function Capabilities |
| LFD | Linear Finite Difference |
| LFI | Last File Indicator |
| LFM |
| LFS File Manager |
| Linear Feet per Minute |
| Link Framing Module |
| LFN |
| Long Fat Network |
| Long File Name |
| Long File Names |
| LFO | Low Frequency Oscillator |
| LFS |
| Linear File Store |
| Loopback File System |
| LFSR | Linear Feedback Shift Register |
| LFT | Low Function Terminal |
| LFU | Least Frequently Used |
| LG | Lucky Goldstar ( Semicon Seoul Korea ) |
| LGA |
| Land Grid Array |
| Leadless Grid Array |
| LGAI | Laboratori General d'Assaigs i Investigacions ( Barcelona, España, www.lgai.es ) |
| LGB | Laser Guided Bomb |
| LGC | Line Group Controller |
| LGDT | Load Global Descriptor Table |
| LGN |
| Logical Group Node / Logical Group Number |
| Logical Group Number |
| LGPL | Lesser General Public License |
| LGX | Linux/GNU/X [distribution] |
| LH |
| Left Hand |
| Loadhigh Command |
| LHT | Long Holding Time |
| LI |
| Length Indicator |
| List Item |
| LIAS | Library Information Access System |
| LIB |
| Library |
| Library "file name extension" |
| LIC |
| Last In Chain |
| Licensed Internal Code |
| Line Interface Coupler |
| Linear Integrated Circuit |
| LICS |
| Logic In Computer Science |
| Lotus International Character Set |
| LID |
| Line Isolation Device |
| Local Injection / Detection |
| LIDAR | Light Detection and Ranging |
| LIDB | Line Information Database |
| LIDT | Load Interrupt Descriptor Table |
| LIEP | Large Internet Exchange Packet |
| LIF |
| Laser Induced Fluorescence |
| Logical Interchange Format |
| Low Insertation Force |
| Low Insertion Force |
| LIFD | Last In First Drop |
| LIFE |
| Laboratory for International Fuzzy Engineering [research] |
| Laser Infrared Flyout Experiment |
| Logistics Interface For manufacturing Environment |
| LIFIA | Laboratoire d'Informatique Fondamentale et d'Intelligence Artificielle |
| LIFO |
| Last In First Out |
| Last In First Out ( memory ) |
| LIGBT | Lateral IGBT |
| LIJP | Leaf Initiated Join Parameter |
| LILO |
| LInux [boot] LOader |
| Last In Last Out |
| LIM EMS | Lotus Intel Microsoft Expanded Memory Specification |
| LIM |
| Line Interface Module |
| Lotus Intel Microsoft manufacturer |
| Lotus Intel Microsoft |
| Lotus/Intel/Microsoft |
| LIMA |
| Lotus Intel Microsoft AST |
| Lotus/Intel/Microsoft/AST |
| LIMDO | Light Intensity Modulation Direct Overwrite |
| LIMDOW |
| Laser / Light Intensity Modulation, Direct OverWrite |
| Light Intensity Modulation Direct OverWrite |
| Light Intensity Modulation Direct OverWrite (technology) |
| LIME | Laser Induced Microwave Emissions |
| LIMEMS | Lotus Intel Microsoft Expamded Memory Specification "Lotus, Intel, MS,EMS", "LIM EMS" |
| LIMM |
| Light Intensity Modulation Method |
| Lotus Intel Microsoft Memory |
| LIMS |
| Library Information Management System |
| Lotus Intel Microsoft Specification |
| LIMSI | Laboratoire d'Informatique pour la Mécanique et les Sciences de l'Ingénieur |
| LIN | Local Interconnect Network |
| LINDA | Logiciel d'Imagerie Numérique et d'Analyse |
| LINUX |
| "Operating system named after Linus Torvalds" |
| Linus Torvalds' Unix |
| LINX |
| Less Insecure X |
| London Internet Exchange |
| LIP | Large Internet Packet |
| LIPS |
| Lightweight Internet Person Schema |
| Logical Inference Per Second |
| Logical Inferences Per Second |
| LIPX |
| Large Internetwork Package Exchange |
| Large Internetwork Packet Exchange |
| LIS |
| Legacy Information Systems |
| Logical IP Subnet |
| LISA | Linux Installation & System Administration |
| LISN | Line Impedance Stabilization Network |
| LISP |
| LISt Processing (programming language) |
| LISt Processing language |
| LISt Processor |
| List Processing |
| Lots of Isolated Silly Parentheses LISP, slang |
| LISTSERV | List Server |
| LISUAF | [thueringer] LandesInformationsSystem Umwelt, Agrar und Forst "UIS","LIS UAF" |
| LIT |
| Line Insulation Test |
| Load Initial Table |
| LITA | Library and Information Technology Association |
| LITHP | Link Type description language for HyperText Processing |
| LIU |
| LAN Interface Unit |
| Line Interface Unit |
| LIV | Link Integrity Verification |
| LIVE | London Interactive Video Educational network |
| LIVID | Language Identification and Voice IDentification |
| LIW | Long Instruction Word |
| LJ | (HP) LaserJet |
| LKG | Last Known Good |
| LKI | Labor fuer Kuenstliche Intelligenz |
| LL | Lower Layers |
| LLAP | Localtalk Link Access Protocol |
| LLATMI |
| Lower Layer ATM Interface |
| Lower Layer Asynchronous Transfer Mode Interface |
| LLB | Local Location Broker |
| LLC/SNAP | Logical Link Control SubNetwork Access Protocol |
| LLC1 | Logical Link Control class 1 |
| LLC |
| Link Level Control ( interface ) |
| Logical Link Control |
| Logical Link Control ( network ) |
| Logical Link Control (Sublayer / Type 1 or Type 2) |
| LLCS | Logical Link Control Security |
| LLCSNAP | Logical Link Control/SubNetwork Access Protocol "LLC, SNAP", "LLC/SNAP" |
| LLDT | Load Local Descriptor Table |
| LLF | Low Level Format |
| LLG | Logical Line Group |
| LLI | Lunatic Labs Incorporated |
| LLL |
| Lawrence Livermore Laboratory ( Livermore CA ) |
| Low Level Language |
| LLLTV | Low Light Level Television |
| LLME | Low Layer Management Entrity ( DECT supervisory layer ) |
| LLN | Line Link Network |
| LLNL |
| Lawrence Livermore National Laboratories ( Albuquerque NM, www.llnl.gov ) |
| Lawrence Livermore National Laboratory |
| Lawrence Livermore National Laboratory ( Livermore CA ) |
| LLO | Local LockOut ( GPIB ) |
| LLP |
| Liaisons Logiques Permanentes |
| Link Level Protocol |
| Lower Layer Protocol |
| LLPDU | Logical Link Protocol Data Unit |
| LLS | LAN - Like Switching |
| LLSIG | Lower Layer Special Interest Group |
| LLT | Logical Link Table |
| LLWANP | LAN - to - LAN Wide Area Network Program |
| LM ATL | Lockheed Martin Advanced Technology Lab ( Camden NJ ) |
| LM/X | LAN Manager for Unix |
| LM |
| Layer Management |
| Load Module |
| LMB | Left Mouse Button |
| LMBCS |
| Lotus Multi Byte Character Set |
| Lotus Multibyte Character Set |
| LMD | Last Modification Date |
| LMDS |
| Local Microwave Distribution System |
| Local Multi point Distribution System |
| Local Multipoint Distribution Service |
| Local Multipoint Distribution System ( network ) |
| LME |
| Larousse Multimédia Encyclopédique |
| Layer Management Entity |
| LMF | License Management Facility |
| LMFAO | Laughing My Fucking Ass Off Usenet, IRC, slang |
| LMH | Linkable Module Header |
| LMI |
| Layer Management Interface |
| Le Monde Informatique |
| Link/Local Management Interface |
| Local Management Interface |
| LMMP | LAN / MAN Management Protocol |
| LMMS |
| LAN / MAN Management Service |
| Local Message Metering System |
| LMOS | Loop Maintenance Operating System / Loop Maintenance and Operations System |
| LMS |
| Least Mean Square ( algorithm ) |
| Library Maintenance System |
| Lotus Messaging Switch |
| LMSW | Load Machine Status Word |
| LMU |
| LAN Management Utilities |
| LAN Manager for Unix |
| LAN Manager for Unix "Unix", "LM/U" |
| LMX |
| L MultipleX |
| LAN Manager for uniX "LAN, Unix, MS", "LM/X" |
| LN:DI | Lotus Notes:Document Imaging |
| LN |
| Load Number |
| Logarithm |
| LNA |
| Local Network Architecture |
| Low Noise Amplifier |
| LNB | Low Noise Block |
| LNC | Low Noise Converter |
| LND | Local Number Dialing |
| LNDI | Lotus Notes Document Imaging |
| LNK | Link |
| LNM | LAN Network Manager |
| LNN | Lotus Notes Network |
| LNPA | Ligne Numérique à Paire Asymetrique |
| LO |
| Line Occupancy |
| Local Oscillator |
| Low Observable |
| LOB | Line of Business |
| LOBJECT | Line Of Business obJECT |
| LOC |
| LAN Operations Center |
| Library Of Congress |
| Lines Of Code |
| Local Operating Company |
| Loop On Line Control |
| Loss Of Cell (delineation) |
| Loss of Cell delineation |
| LOCAAS |
| Low Cost Anti Armor Submunition |
| Low Cost Autonomous Attack (formerly Anti Armor) Submunition |
| LOCAP | LOw CAPacitance |
| LOCIS | Library Of Congress Information System |
| LOCMOS | Local Oxidation Complementary MOS |
| LOCT | Layered Open Crypto Toolkit RSA, cryptography |
| LOD/H | Legion Of Doom Hackers |
| LOD |
| Legion of Doom |
| Letter Of Destruction |
| Level Of Detail |
| LODH | Legion Of Doom Hackers |
| LODSB | Load String Byte |
| LOE | Level Of Effort |
| LOF | Loss Of Frame |
| LOG | Logarithm |
| LOGO |
| "Programming Language""See HLL" |
| "langage de programmation" |
| LOL |
| Laughing Out Loud |
| Laughing Out Loud ( net slang ) |
| Laughing Out Loud slang, Usenet, IRC |
| Legion Of Lucifer |
| Loss Of Lock |
| Lots Of Luck ( net slang ) |
| LOM | Laminated Object Manufacturing ( rapid prototyping process ) |
| LON | Local Operating Network |
| LOO | Langage Orienté Objet |
| LOOPE | Loop while Equal |
| LOOPNE | Loop while Not Equal |
| LOOPNZ | Loop while Not Zero |
| LOOPS | LISP Object Oriented Programming System |
| LOOPZ | Loop while Zero |
| LOP |
| Loss Of Power |
| Loss of Pointer |
| LORAN |
| Long Range Navigation |
| Long Range Radio Aid to Navigation |
| LORE | Line Oriented Editor |
| LOROPS | Long Range Oblique Optical System |
| LORTAD | Law on Protection of Personal Data |
| LOS |
| Line Of Site |
| Local Operating System |
| Loss of Signal |
| LOSOS | Local Oxidation of Silicone On Sapphire |
| LOSP | LOw SPeed channel connector |
| LOTOS |
| Language of Temporal Order Specification |
| Language of Temporal Ordering Specifications |
| LOV | List Of Values |
| LOVIS | LagerOrtVerwaltungs und InformationsSystem |
| LP |
| Laser Projection |
| Line Printer |
| Linear Programming |
| Load Point |
| Logical Partition |
| Long Play |
| Longitudinal Parity |
| LPA | Link Pack Area |
| LPAC | London Parallel Applications Centre ( UK ) |
| LPAR | Logic Programming and Automated Reasoning |
| LPB |
| Load Program Block |
| Local Peripheral Bus |
| [S3] Local Peripheral Bus |
| LPC |
| Linear Predictive Code |
| Linear Predictive Coding |
| Linear Predictive Coding voice processing |
| Local Person Communication |
| Local Procedure Call |
| Low Pin Count ( interface ) |
| LPCDF | Low Profile Combined Distributing Frame |
| LPCM | Lines Per Centimeter |
| LPCVD |
| Liquid Phase Chemical Vapor Deposition |
| Low Pressure Chemical Vapor Deposition |
| LPD |
| Line Printer Daemon |
| Line Printer Daemon (sometimes as lpd) |
| Low Probablitiy of Detection |
| LPDA | Link Problem Determination Aid |
| LPDP | Line Printer DAEMON Protocol |
| LPDU | Link Protocol Data Unit |
| LPE | Layout Parameter Extraction |
| LPEX | Live Parsing eXtensible Editor |
| LPF |
| League for Programming Freedom |
| League for Programming Freedom org. |
| Low Pass Filter |
| LPGA | Laser Programmed Gate Array |
| LPI |
| Lines Per Inch |
| Lines Per Inch (usually as lpi) |
| Low Probability of Intercept |
| Low Probability of Interception |
| LPL |
| Localization Product Leader |
| Logical Page List |
| Lotus Programming Language |
| LPM |
| Library of Parameterized Modules |
| Lines Per Minute |
| Low Profile Module |
| LPMOCVD | Low Pressure Metal Organic Chemical Vapor Deposition |
| LPN |
| Local Packet Network |
| Logical Page Number |
| LPNP | Lateral PNP ( transistor ) |
| LPP |
| Licensed Program Product |
| Lightweight Presentation Protocol |
| LPQ | Line Printer Queue |
| LPR |
| Line Printer |
| Line Printer Remote |
| Low Priority Request |
| LPRA | Low Power Radio Association |
| LPS |
| Linear Programming System |
| Lines Per Second |
| Low Power Schottky |
| LPT1 | First Parallel Printer Port |
| LPT2 | Second Parallel Printer Port |
| LPT3 | Third Parallel Printer Port |
| LPT |
| Line PrinTer |
| Line Printer Terminal |
| Low Pressure Turbine |
| LPVS | Link Packetized Voice Server |
| LPX | Low Profile eXtended [Format of motherboard] |
| LQ | Letter Quality |
| LQA | Line Quality Analysis |
| LQM | Link Quality Monitoring |
| LQP | Letter Quality Printer |
| LQR | Link Quality Report |
| LR |
| Link Register |
| Location Register |
| LRA | Laser Retroreflector Array |
| LRAP | Long Route Analysis Program |
| LRC |
| Local Register Cache |
| Longitudinal Redundancy Check |
| LRCC | Longitudinal Redundancy Check Character |
| LRL | Least Recently Loaded |
| LRM |
| LAN Reporting Mechanism |
| Language Reference Manual |
| Least Recently Used Master |
| LROS | Lloyd's Register Of Shipping |
| LRP | Long Range Plan |
| LRPC | Lightweight Remote Procedure Calls |
| LRS |
| Language Resource "file name extension" "WordPerfect" |
| Line Repeater Station |
| LRSS | Long Range Switching Studies |
| LRU |
| Last Recently Used |
| Least Recently Used |
| Least Recently Used (algorithm) |
| Line Replaceable Unit |
| Line Replacement Unit |
| LS-API | Licensing Server Application Program Interface |
| LS/LC | Line Stabilizer / Line Conditioner |
| LS |
| LAN Server |
| Least Significant |
| Ligne Specialisée |
| Line Stabilizer |
| Low Speed |
| Low power Schottky |
| Low power Schottky ( logic ) |
| LSA |
| LAN and SCSI Adapter |
| Limited Space-charge Accumulation |
| Line Sharing Adapter |
| Linear Systems Analysis |
| Link Services Architecture |
| Link State Advertisement |
| Local Security Authority |
| LSAP | Link Service Access Point |
| LSAPI |
| License Services Application Program Interface |
| Licensed Services Application Program Interface |
| Licensing Server Application Program Interface |
| LSB |
| Least Significant Bit |
| Lower SideBand |
| LSC |
| Least Significant Character |
| Loop Station Connector |
| LSD | Least Significant Digit |
| LSDU | Link Service Data Unit |
| LSE |
| Langage Symbolique d'Enseignement |
| Langage Système d'Enseignement |
| Language Sensitive Editor |
| Local Single-layer Embedded |
| Local Subscriber Environment |
| Local System Environment |
| LSEL | Link SELector |
| LSF |
| Load Sharing Facility |
| Low Smoke and Flame |
| LSI |
| Large Scale Integrated circuitry / Large Scale Integration |
| Large Scale Integration |
| LSID | Local Session Identification |
| LSL |
| Link Support Layer |
| Load Segment Limit |
| Logic Shift Left ( assembler mnemonic ) |
| LSLC | Line Stabilizer / Line Conditioner |
| LSM |
| Linux Software Map |
| Logical Storage Manager |
| Lotus Smart Movie (file format) |
| LSN |
| Logical Sector Numbers |
| Logical Session Number |
| LSP |
| Link State Packet |
| Loop Splice Plate |
| LSPB | Large-Scale Prototype Breeder (reactor) |
| LSQA | Local System Queue Area |
| LSR |
| Leaf Setup Request |
| Least Squares Regression |
| Local Shared Resources |
| Logic Shift Right ( assembler mnemonic ) |
| LSRP | Local Switching Replacement Planning system |
| LSRR | Loose Source and Record Route |
| LSS |
| Ladder Support Software |
| Loop Surge Suppressor |
| Loop Switching System |
| LSSD | Level Sensitive Scan Design |
| LSSGR | LATA Switching Systems Generic Requirements |
| LSSM | Loss of Synchronization State Machine |
| LSSU | Link Status Signal Unit |
| LST X | Last X register |
| LST |
| Linux Support Team [distribution] |
| List "file name extension" |
| LSTTL | Low power Schottky Transistor Transistor Logic |
| LSU |
| LAN Service Unit |
| Local Store Unit |
| LSV | Line Status Verifier |
| LT |
| Less Than |
| Line Termination |
| Logical Terminal |
| Lower Tester |
| LTA | Line TurnAround |
| LTAB | Line Test Access Bus |
| LTB | Last Trunk Busy |
| LTC |
| Line Termination Coordinator |
| Linear Technology Corporation ( Milpitas CA ) |
| Local Test Cabinet |
| Longitudinal Time Code |
| LTCC | Low Temperature Co fired Ceramic [ packaging and interconnect technology ] |
| LTD |
| Live Test Demo |
| Local Test Desk |
| LTE |
| Line Terminating Entity |
| Line Terminating Equipment |
| LTERM | Logical Terminal |
| LTF | Lightwave Terminating Frame |
| LTG | Line Trunk Group |
| LTID | Logical Terminal IDentifier |
| LTM | LAN Traffic Monitor |
| LTO | Linear Tape Open |
| LTP |
| Link Test Pulse |
| Long Term Prediction |
| LTPL | Long Term Procedural Language |
| LTPS | Low Temperature Poly Silicon ( display, Toshiba ) |
| LTR |
| Left To Right |
| Letter |
| Load Task Register |
| LTRS |
| Letter Shift |
| Letters Shift |
| LTS | Loss Test Set |
| LTT | Linux Trace Toolkit |
| LTU | Line Termination Unit |
| LTWA | Log Tape Write Ahead |
| LU62 | Logical Unit 6.2 "IBM", "LU6.2" |
| LU | Logical Unit |
| LUA | Logical Unit Application |
| LUCO LED | LUminiscence COnversion LED |
| LUF | Lowest Useful Frequency |
| LUG |
| Local User Group |
| Local Users Group |
| LUI | Local User Input |
| LUIS | Library User Information Service |
| LUN |
| Logical Unit Number |
| Logical Unit Number ( SCSI ) |
| LUNI |
| LAN emulation User-to-Network Interface |
| LANE User Network Interface |
| LANE User to Network Interface |
| LUT |
| Look Up Table |
| Look-Up Table |
| Lookup Table |
| LUV | Lisp Users and Vendors (conference) |
| LUW | Logical Unit of Work |
| LV | Logical Volume |
| LVBD | Low Voltage Battery Disconnect |
| LVBO | Low Voltage Battery Operated |
| LVC | Low Voltage CMOS |
| LVCMOS | Low Voltage CMOS |
| LVD |
| Low Voltage Devices ( EEC directive ) |
| Low Voltage Differential |
| Low Voltage Differential (SCSI standard) |
| Low Voltage Differential [technology] |
| LVDS |
| Low Voltage Differential Signal |
| Low Voltage Differential Signaling |
| LVDT |
| Linear Variable Differential Transformer |
| Linear Variable Displacement Transformer |
| LVL | Low Voltage Logic |
| LVM |
| Line Verification Module |
| Logical Volume Management |
| Logical Volume Manager |
| LVN | LandesVerwaltungsNetz |
| LVPECL | Low Voltage PECL |
| LVQ | Low Voltage Quiet ( CMOS family ) |
| LVR | Large Vocabulary Recognition |
| LVS |
| Layout Versus Schematic |
| Logic Versus Schematic |
| LVT | Low Voltage biCMOS Technology |
| LVTTL |
| Low Voltage Transistor Transistor Level |
| Low Voltage Transistor Transistor Logic |
| LW |
| Lazy Write |
| Living Worlds |
| LWC |
| Last Working Configuration |
| Loop Wiring Concentrator |
| LWIR | Long Wavelength Infrared |
| LWL |
| LichtWellenLeiter |
| LichtWellenLeiter cable |
| LWP | Light Weight Process |
| LWR | Laser Write Read |
| LWSP | Logical White SPace |
| LWT | Listen While Talk |
| LX | Linear eXecutable |
| LXE | Lightguide eXpress Entry |
| LYR | Lyrics "music file name extension" |
| LZ | Landing Zone |
| LZS |
| Lempel Ziv Stac ( compression algorithm ) |
| Lempel Ziv Stac [compression] |
| LZSDCP | [PPP] Lempel Ziv Stac Data Compression Protocol "PPP, RFC 1967","LZS DCP" |
| LZW |
| Lempel Ziv Welch |
| Lempel Ziv Welch [compression] |
| LaRC | Langley Research Center |
| LiMS | Lithium Metal Sulfide ( battery ) |
| L²I | Lynx Linux Initiative |