| SN. | WORD | FULL FORM |
| 1. | DBMS | Database Management System |
| 2. | DNS | Domain Name System |
| 3. | DOS | Disk Operating System |
| 4. | DPI | Dots Per Inch |
| 5. | DRAM | Dynamic Random Access Memory |
| 6. | DVD | Digital Video Disc |
| 7. | EEPROM | Electrically Erasable Programmable Read Only Memory |
| 8. | EPROM | Erasable Programmable Read Only Memory |
| 9. | FDD | Floppy Disk Drive |
| 10. | FTP | File Transfer Protocol |
| 11. | GB | Gigabyte |
| 12. | GIF | Graphics Interchange Format |
| 13. | GUI | Graphical Interchange Format |
| 14. | HDD | Hard Disk Drive |
| 15. | HTML | Hyper Text Markup Language |
| 16. | HTTP | Hyper Text Transfer Protocol |
| 17. | IBM | International Business Machine |
| 18. | IMAP | Internet Massage Access Protocol |
| 19. | IMEI | International Mobile Equipment Identity |
| 20. | I/O | Input Output |
| 21. | IP | Internet Protocol |
| 22. | IRC | Internet Relay Chat |
| 23. | IRCTC | Indian Railway Catering and Tourism Corporation |
| 24. | IMPS | Immediate payment Service |
| 25. | IS | Instant Massaging |
| 26. | IOT | Internet Of Things |
| 27. | ISDN | Integrated Service Digital Network |
| 28. | ISO | International Organization for Standardization |
| 29. | ISP | Internet Service Provider |
| 30. | IIOT | Industrial Internet of Things |
| | |
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