A) Keyboard
B) CPU
C) Monitor
D) Printer
E) None of these
Correct Answer: D
Solution :
(D) Printer: This device is used to print your pictures or letters on the paper, but it is not necessary for the functioning of a computer. Incorrect Options: (A) Keyboard: This is a standard input device, without which a computer cannot work. (B) CPU: This is a necessary processing device, without which a computer cannot work. (C) Monitor: This is a standard output device, without which a computer cannot work. (E) Option (E) is incorrect.You need to login to perform this action.
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