निम्नलिखित में से कौन सा एक इनपुट डिवाइस है?
Which of the following is an input device?
A)
B)
C)
D)
Explanation:
The correct answer is:
(C) Keyboard
A keyboard is an input device because it allows the user to enter data into a computer system. The other options—screen, speakers, and printer—are output devices, as they display or produce data generated by the computer.