What is computer

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                                     . Computer

 . What is computer ?

Ans An electronic machine that can store, find and arrange information , calculate amount and control other machine .

. What is  input device ?

Ans.. in computing , an input device is a piece of equipment used to provide data and control signal to an information processing system, such as a  example 

(1) Keyboard (ii) Mouse(iii) scanner (iv) cameras (v) joystick and microphone

What is output device ?

Ans  An output device is any piece of computer hardware equipment which converts information into a human-perceptible from or, historically into a physical machine - readable fro for can be text graphys, tactly , audio, or video Example 

(i)Moniter (ii) Printer (iii) Headphone (iv) Printer (v) Speaker (vi) Microphone (vii) Projecter

. What is Hardware?

Ans The machinery for a computer, not the programmes written for it 

. What is Software

The program and other operating information used by a computer