Three hardware devices need to communicate with the CPU simultaneously. Which of the following will each device need to issue?
A) DMA request
B) CON request
C) Interrupt request (IRQ)
D) Input/output request (I/O)

Question

Quizplus · Accepted Answer

Each hardware device will need to issue an Interrupt Request (IRQ) to communicate with the CPU simultaneously, as IRQs are used to signal the CPU to handle events from hardware devices.

Three Hardware Devices Need to Communicate with the CPU Simultaneously