The computer is an electronic machine which is not only stored data and process data but it also retrieve data that is gather data from its memory or storage device and performing operation on it whenever it required.

Advantage/Feature/Characteristic of Computer
1.     Fast speed of calculation and storing of information.
2.     Ability to take information and capable to store huge amount of data and information for future use.
3.     Ability to use simple logical rule to make decision.
4.     Ability to calculate and performing operation analysis accurately.
5.     The computer is a versatile it can do many things.
6.     It can perform multiple task at a times.
7.     Automation is a feature of computer it can works automatically.
8.     It is a tireless free from lack of concentration. It can work hour and hours; this feature is called diligence.
9.     It can automatically configure a new hardware and software this feature is called as plug and play.
10.It provides high security to leakage of information with login system and password protection. 
Dis-Advantage of Computer
1.     It can work only instruction fed to them.
2.     It cannot take decision like human being.
3.     It cannot think like human being.
4.     If across any situation which is not in the program, then the computer is stop their work.