| S/No | Abbrv | Meaning |
| 1. | ICT | Information and Communication Technology The term Information and Communication Technology (ICT) refers to a wide range of technological tools and resources used to transmit, store, generate, share, or exchange data. Computers, the Internet (websites, blogs, and emails), live broadcasting technologies (radio, television, and webcasting), recorded broadcasting technologies (podcasting, audio and video players, and storage devices), and telephony (fixed or mobile, satellite, visio/video-conferencing, and so on) are among these technological tools and resources. |
| 2. | CPU | Central Processing Unit The central processing unit (CPU) of a computer is the component that retrieves and executes instructions. The CPU is essentially the computer’s brain. |
| 3. | UPS | Uninterupted Power Supply An uninterruptible power supply (UPS) is a device that allows a computer to continue operating for at least a short period of time when incoming power is disrupted. It is an electrical equipment that supplies emergency power to a load when the input power source fails. |
| 4. | IMEI | International Mobile Equipment Identity The International Mobile Equipment Identity (IMEI) is a unique numeric identifier for mobile phones and some satellite phones. It is usually printed inside the phone’s battery compartment, but it can also be displayed on-screen on most phones by dialing *#06#. |
| 5. | HDMI | High-Definition Multimedia Interface HDMI is a connector and cable that combines uncompressed audio and video into a single digital interface and is used to connect various products. It can play high-definition and standard-definition video. It supports uncompressed, high-quality digital video and audio without the quality loss associated with analog connections. Using HDMI allows the user to use a single cable for video and audio instead of multiple cables. |
| 6. | SIM | Subscriber Identity Module A Subscriber Identity Module (also refered to as SIM card ) is a removable smart card that is used in mobile cellular devices such as mobile computers and phones. The service-subscriber key (IMSI) used to identify a GSM subscriber is securely stored on SIM cards. Users can switch phones by simply removing the SIM card from one phone and inserting it into another phone or broadband telephone device. |
| 7. | RAM | Random access memory RAM (random-access memory) is a type of computer memory that can be read and changed in any order and is usually used to store operational data and program code. It is also known as the short-term memory of the computer and is where the data that the processor is presently using is kept. |
| 8. | ROM | Read only memory Read-only memory (ROM) is a type of storage medium used in personal computers (PCs) and other electronic devices to store data permanently. ROM is a kind of memory from which we can only read but cannot write on it |
| 9. | USB | Universal serial Bus USB is a plug-and-play interface that allows computers to communicate with peripherals and other devices. USB-connected devices range widely, from keyboards and mice to music players and flash drives. See our USB devices section for more information on these devices. |
| 10. | WLAN | Wireless Local Area Network |
| 11. | LCD | Liquid Crystal Display |
| 12. | LED | Light emitting diode |
| 13. | OS | Operating System |
| 14. | GSM | Global System for Mobile Communications |
| 15. | WI-FI | Wireless Fidelity |
| 16. | BIOS | Basic input and output system |
| 17. | DVD | Digital versatile disc |
| 18. | GIGO | Gabbage in gabbage out |
| 19. | HDD | Hard disk drive |
| 20. | HTML | Hypertext markup language |
| 21. | HTTP | Hypertext transfer protocol |
| 22. | PC | Personal computer |
| 23. | CD | Compact Disk |
| 24. | URL | Universal resource locator |
| 25. | USSD | Unstructured supplementary service data |
| 26. | Portable Document Format | |
| 27. | IP | Internet Protocol |
| 28. | DBMS | Database Management System |
| 29. | WWW | World Wide Web |
| 30. | Electronic Mail |
