Question

Which of the following is not an I/O device?
(a) Printer
(b) CPU
(c) Plotter
(d) Scanner

Answer 1

Answer:

CPU is correct answer .........

Answer 2

CPU is not an I/O device. (Option B)

• Input devices are those devices that are used to give input to the computer.
• output devices are those devices that are used to take the output from the computer.
• here printer, plotter are Output devices and scanner is an input device on the other hand CPU is called as central processing unit where input is taken and processing is done and output is given back to the user.