| ALU | Arithmetic Logic Unit |
| CD | Compact Disc |
| DELL | Digital Electronic Link Library |
| HCL | Hindustan Computers Limited |
| MAC | Media Access Control Address |
| RAM | Random-Access Memory |
| ROM | Read Only Memory |
| USB | Universal Serial Bus |
| XML | Extensible Markup Language |
| DCIM | Data centre information management, Digital camera images |
| EPS | Encapsulated PostScript |
| COMPUTER | Common Operating Machine Purposely used for Technological and Educational research |
| HP | Hewlett-Packard, Hindustan Petroleum, Horse Power |
| kbps | Kilobits per second |
| CPU | Central Processing Unit |
| OS | Operating System |
| PDF | Portable Document Format |