Question

What bus carries a status signal back to the CPU?

Answer 1

The Bus that is used to carry the status signal from devices to CPU is called Control Bus.

Step-by-step explanation:

There are three types of buses in computers

1. Data Bus: It is the two way bus used for transportation of data between peripherals and CPU.
2. Address Bus: It contains address of different devices and memory.
3. Control Bus: It is used to carry status from devices to cpu.