Computer
A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data.
Definition: Computer is an electronic device that is designed to work with Information. The term computer is derived from the Latin term ‘computare’, this means to calculate or programmable machine. Computer can not do anything without a Program or Software.
Functions:
| Accepts data |  Input – Keyboard, Mouse,Mic |
| Â Processes data | Â Processing- CPU, RAM |
| Â Produces output | Â Output- Monitor, Printer, Speaker |
| Â Stores results | Â Storage- HDD, SDD |
Elements:
- Hardware: Physical structure of Computer
- Software: set of instructions that tells the hardware what to do and how to do.