SSC MTS EXAM

SSC

COMPUTER

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is a job of the control unit?
A
To start up the computer
B
To manage the fetch decode execute cycle
C
To create presentations
D
To carry out calcul
Explanation: 

Detailed explanation-1: -In the fetch cycle, the control unit looks at the program counter register (PC) to get the memory address of the next instruction. It then requests this instruction from main memory and places it in the instruction register (IR).

Detailed explanation-2: -The Data bus carries data. And the control bus carries control instructions issued by this place, the Control Unit. It’s the centre of operations. It receives and decodes instructions, then sends out commands to the other components to get those instructions executed.

There is 1 question to complete.