The term 'computer' was derived from the Greek word 'computare' which means to compute or calculate. A computer is an electronic device that can perform a variety of tasks in accordance with a set of instruction called program. The computer inputs the command or signals from the input devices such as mouse and keyboard and processes some internal functions to calculate the result and finally shows the output result to the output devices such as monitor and printer.
The major characteristics of computer are as follows:
- Electronic
- Speed
- Storage
- Accuracy
- Versatility
- Diligence
- Automation
- Non-intelligence
