| 1. CPU = Central Processing Unit |
| 2. ALU = Arithmetic Logic Unit |
| 3. CU = Control Unit |
| 4. RAM = Random Access Memory |
| 5. ROM = Read-Only Memory |
| 6. HDD = Hard Disk Drive |
| 7. SSD = Solid State Drive |
| 8. USB = Universal Serial Bus |
| 9. UPS = Uninterruptible Power Supply |
| 10. VDU = Visual Display Unit |
| 11. GUI = Graphical User Interface |
| 12. CUI = Character User Interface |
| 13. OS = Operating System |
| 14. DOS = Disk Operating System |
| 15. BIOS = Basic Input/Output System |
| 16. CMOS = Complementary Metal-Oxide Semiconductor |
| 17. POST = Power-On Self-Test |
| 18. OCR = Optical Character Recognition |
| 19. OMR = Optical Mark Recognition |
| 20. MICR = Magnetic Ink Character Recognition |
| 21. BCR = Barcode Reader |
| 22. DVD = Digital Versatile Disc |
| 23. CD = Compact Disc |
| 24. BD = Blu-ray Disc |
| 25. ICT = Information and Communication Technology |
| 26. IT = Information Technology |
| 27. AI = Artificial Intelligence |
| 28. DBMS = Database Management System |
| 29. SQL = Structured Query Language |
| 30. HTML = HyperText Markup Language |
| 31. CSS = Cascading Style Sheets |
| 32. URL = Uniform Resource Locator |
| 33. WWW = World Wide Web |
| 34. HTTP = HyperText Transfer Protocol |
| 35. HTTPS = HyperText Transfer Protocol Secure |
| 36. IP = Internet Protocol |
| 37. ISP = Internet Service Provider |
| 38. LAN = Local Area Network |
| 39. MAN = Metropolitan Area Network |
| 40. WAN = Wide Area Network |
| 41. WLAN = Wireless Local Area Network |
| 42. Wi-Fi = Wireless Fidelity |
| 43. GPS = Global Positioning System |
| 44. PDF = Portable Document Format |
| 45. JPEG = Joint Photographic Experts Group |
| 46. PNG = Portable Network Graphics |
| 47. GIF = Graphics Interchange Format |
| 48. ASCII = American Standard Code for Information Interchange |
| 49. Unicode = Universal Character Encoding Standard |
| 50. SPSS = Statistical Package for the Social Sciences |
