Which of the following is input device (a)speaker (b)printer (c)pendrive (d)scanner?

Which of the following is input device (a)speaker (b)printer (c)pendrive (d)scanner?

(a)speaker - output

(b)printer - output

(c)pendrive - BOTH - a storage device

(d)scanner - input



Good luck and Happy Computing!
the scanner is an input device, the rest are output devices.



repress the pendrive is both
Well, let's put it this way.

A speaker produces nouns, a printer prints out something, a pendrive is a storage device, and a scanner...

If you don't know what each device is, consequently you should look them up on Wikipedia.
Input: Scanner

Output: Speaker, Printer

Input-Output: Pendrive
Sanner - Input



Pendrive - both



Others - Output
(a)speaker - output

(b)printer - output

(c)pendrive - BOTH - a storage device

(d)scanner - input