Question

this device controls the working of a computer​

Answer 1

The control unit (CU) is a component of a computer's central processing unit (CPU) that directs the operation of the processor. It tells the computer's memory, arithmetic and logic unit and input and output devices how to respond to the instructions that have been sent to the processor.

Answer 2

Answer:

the CPU ( Central Processing Unit) controls the working of the computer ,it is known as the brain of computer.