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In the field of computers, which of the ...

In the field of computers, which of the following converts input into output?

A

Mouse

B

Trackball

C

keyboard

D

Bar code reader

Text Solution

Verified by Experts

The correct Answer is:
D
The devices which are used to input the data and the programs in the computer are known as "input devices". Keyboard, mouse, track ball and light pen are all input devices. Output devies can produce the final product of machine processing into a form usable by humans. for example, bar code reader reads bar codes an converts them into electric pulses to be processed by a computer.
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