Sawaal
22
Q:

Which of the following is not purely output device?

A) Printer B) Speaker
C) Plotter D) Screen

Answer:   D) Screen



Explanation:

A touch screen is the only device which works as both an input and an output device among the given options. You view the options available to you on the screen (output) and you then use your finger to touch the option that you have chosen (input).

 

Hence, Screen is not purely output device.

Subject: Computer
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