LERN FREE COMPUTER (FUNDAMENTAL) :

FUNDAMENTAL CONCEPT
(THIS IS A FUNDAMENTAL & SHORT COURSE ONLY) :

Computer :

The word computer comes from Greek word compute. Compute means count which device can count and calculate that is called computer.

Computer is one kind of electronic calculating device machine that has ability to accept data, internally store & automatically execute.

At this preliminary stage computer use only calculation. But currently computer is being used on all sectors of works.

Calculation of computer ;

Analog - It’s output us electronic ray.
Digital - It’s output us number & character.
Hybrid - It’s output us analog & digital signal.
Optical - It’s output us sound.
Special - It’s output us easy it use scientific purpose.
General - It’s output us easy it use normal work.