| Nom | Description |
| Q BUS | "bus Digital Equipment Corp." |
| Q/A | Questions/Answers |
| Q |
| Quadrature ( signal ) |
| Queue |
| QA |
| Quality Assurance |
| Question & Answers, "Q&A" |
| Queue Arbitrated |
| QAF | Q Adapter Function |
| QAM |
| Quadrature Amplitude Modulation |
| Qualiparc Asset Management |
| Queued Access Method |
| QANTAS | Queensland And Northern Territory Aerial Services ( Ltd., australian airline, http://www.qantas.com.au ) |
| QAP | Quality Assurance Program |
| QAPI |
| Quality Assurance Program Inspections |
| Queue Application Program Interface |
| QAPP | Quality Assurance Program Plan |
| QAS |
| Quasi - Associated Signaling |
| Quasi Associated Signaling |
| QBASIC | Quick Beginner's All purpose Symbolic Instruction Code |
| QBBS | Quick Bulletin Board System |
| QBE |
| Query By Example |
| Query-By-Example |
| QBF |
| Query By Forms |
| Query by Form |
| QBIC | Query By Image Content |
| QBIT | Qualified Bit |
| QBM | Query By Model |
| QC |
| Quality Circle |
| Quality Control |
| QCB | Queue Control Block |
| QCCO | Quadrature Current Controlled Oscillator |
| QCDP | Quality Color Dithering Modus |
| QCIF |
| Quarter Common Interchange Format |
| Quarter Common Interface Format ( 176 by 144 pixels ) |
| QCR | Quality Control/Reliability |
| QCS | Qualified Collaboration Solutions |
| QD3D | Quick Draw 3D |
| QD |
| Querty/Dvorak |
| Queueing Delay |
| Queuing Delay |
| QDA | Qualitative Data Analysis |
| QDD | Quick Disk Drive |
| QDI | Quicken Dictionary "file name extension" "Intuit" |
| QDL | Quadri Data Layer [CD] |
| QDMC | QDesign Music Codec |
| QDOS |
| Quick and Dirty Operating System |
| Quick and Dirty Operating System ( pre MS DOS ) |
| QDR | Quad Data Rate ( SRAM ) |
| QDSS | Q-Bus Dragon Sub-System |
| QDT | Quicken Data "file name extension" "Intuit" |
| QE | Quantum Efficiency |
| QECB | Queue Element Control Block |
| QEMM | Quarterdeck Expanded Memory Manager |
| QEP | Quadrature Encoder Pulse ( interface ) |
| QF | Query Filter |
| QFA | Quick File Access |
| QFE | Quick Fix Engineering |
| QFP | Quad Flat Pack |
| QIC |
| Quality Information Using Cycle Time |
| Quarter Inch Cartridge |
| Quarter Inch Cartridge ( tape storage system ) |
| Quarter Inch Committee org. |
| QICSC | Quarter Inch Cartridge Standards Committee |
| QICW | Quarter Inch Cartridge Wide |
| QIF |
| Quicken Import File/Interchange Format "file name extension" |
| Quicken Interchange Format |
| QIPC | Quad Industrial Pack Carrier |
| QIS | Quality Information System |
| QISAM | Queued Indexed Sequential Access Method |
| QKZ | QualitätsKennZahl ( ISO9001 ) |
| QL | Query Language |
| QLD | Queuing Literature Database |
| QLI | Query Language Interpreter |
| QLLC |
| Qualified Link Level Control / Qualified Logical Link Control |
| Qualified Logical Link Control [protocol] |
| QLS | Quiet Line State ( network ) |
| QLT | Quality Logic Test |
| QMAC | Quad port Multiplier ACcumulator |
| QMC | Quine McCluskey approach |
| QMF | Query Management Facility |
| QML | Qualified Manufacturers List |
| QMP | Quality Measurement Plan |
| QMS |
| Quality Management System |
| Quality Micro Systems |
| Queue Management Service |
| QMT | Quicken Memorized List "file name extension" "Intuit" |
| QND | Quantum Network Design |
| QNL | Quantization Noise Leakage |
| QNX | Quicken Indexes to Data "file name extension" "Intuit" |
| QOH | Quantity On Hand |
| QOPE | Query Optimization in a Protective Environment |
| QOS |
| Quality Of Service |
| Quality Of Service "ATM, CLR, CTD, CDV", "QoS" |
| Quality Of Service ( ATM ) |
| Quality Of Service (sometimes as QoS) |
| Quality Of System |
| QOTD | Quotation Of The Day |
| QP |
| Quattro Pro |
| Quoted Printable |
| QPA |
| Quad Port Adapter |
| Quality Program Analysis |
| QPG | Quantum Phase Gate |
| QPL | Qualified Products List |
| QPM | Quasi Phase Matched |
| QPS | Quark Publishing System |
| QPSK |
| Quadrature Phase Shift Keying |
| Quadri Phase Shift Keying [modulation] |
| Quaternary Phase Shift Keying |
| QPSX |
| Queue Packet and Synchronous circuit Exchange |
| Queued Packet and Synchronous circuit eXchange |
| QPU | Quick Pascal Units |
| QQD | Quarter Quadrature Decoding |
| QR | Quick Response |
| QRSL | Quad Rambus Signalling Link ( multilevel signalling scheme ) |
| QRSS | Quasi Random Signal Source |
| QSAM | Queued Sequential Access Method |
| QSI | Quality Semiconductor Incorporated ( Santa Clara CA ) |
| QSIG | Q Interface Signaling Protocol |
| QSOP | Quarter SOP |
| QSPI | Queued Serial Peripheral Interface |
| QSS |
| Quality Solution System / Quality Surveillance System |
| Quality Systems & Software |
| QT VR | QuickTime Virtual Reality |
| QT |
| Qualification Test |
| Quick Time |
| QuickTime |
| QTA | Quality Test Array |
| QTAG | Quality Test Action Group |
| QTAM |
| Queued Telecommunication Access Method |
| Queued Telecommunications Access Method |
| Queued Terminal Access Method |
| QTC | Quicktime Conferencing |
| QTML | QuickTime Media Layer |
| QTP | Quick Turnaround Production |
| QTVR | QuickTime Virtual Reality |
| QUAD | Quadruple |
| QUEL | Query Language |
| QUEX | Query Update by EXample |
| QUICC |
| QUad Integrated Communications Controller |
| Quad Integrated Communications Controller ( MC68360 ) |
| QUILP | Quad In Line Package |
| QUIP | QUad In line Package |
| QUIPS | QUality Improvements Per Second |
| QVSS | Q-Bus Viper Sub-System |
| QWERTY | "first letters on a US keyboard" |
| QWEST | Quantum-Well Envelope State Transition |
| QWIP | Quantum Well Infrared Photodetector |
| QXGA | Quad XGA ( display resolution 2048 by 1536 pixels ) |
| QXI | Queue eXecutive Interface |
| QuEST | Quad Ethernet Switching Transceiver ( AMD Am79C989 ) |
| qty | quantity |
