Question

what role do input and output unit play in a computer system

Answer 1

Input devices are used to feed information through text,graphics, images etc.in our computer system... For eg keyboard, mouse , scanner, graphic tablets, etc..
Output devices are used to show an output to the user . They act as ab interface between the computer and the user.. They include monitor, printer etc..


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Answer 2

Input device is used to give information to the computer through image,text etc

Output device is give output and act as a interface between computer and the users