2. QAM (Quadrature Amplitude Modulation)
3. QBE (Query By Example)
4. QCIF (Quarter CIF)
5. QDOS (Quick and Dirty Operating System)
6. QFE (Quick Fix Engineering)
7. QFP (Quad FlatPack)
8. QHD (Quad HD)
9. QNX
10. QoS (Quality of Service)
11. QPSK (Quadrature Phase Shift Keying)
12. QSXGA (Quad SXGA)
13. QTVR (QuickTime Virtual Reality)
14. quadbit
15. qualifier
16. quantization
17. quantization error
18. quantization noise
19. query
20. query criteria
21. query language
22. query string
23. queue (1)
24. queue (2)
25. queuing
26. QuickDraw
27. QuickTime
28. quirks mode
29. QVGA (Quarter Video Graphics Array)
30. QXGA (Quad Extended Graphics Array)