A device that both transmits and receives data, is

Which of the following is not an output device of a computer?

Which of the following items is not used in Local Area Networks (LANs)

Which of the following is used to make a programs run when the computer is switched on.

The 2's complement of a binary no. is obtained by adding.....to its 1's complement.

Which of the following is the 1's complement of 10?

Which device of computer operation dispenses with the use of the keyboard?

A processing unit that coordinates networks and data communication is known as