Understanding Interrupts and Multitasking

Front

What is an Interrupt?

Back

A signal that tells the CPU to pause its current task

Front

How are Hardware Interrupts triggered?

Back

By external devices like keyboards and mice

Front

What is the role of Buffers in data flow?

Back

To store data temporarily

Front

What happens when an Interrupt Service Routine (ISR) completes its task?

Back

It returns control to the CPU

Front

What is the result of efficient multitasking enabled by interrupts?

Back

Improved system performance

Front

Interrupts ensure that critical events are handled ______.

Back

promptly

Front

Once the ISR completes its task, it returns control to the CPU. The CPU then restores its previous state and resumes its original task.

Back

Return from Interrupt

Front

An interrupt is a signal that tells the CPU to pause what it's doing and attend to something more urgent. This could be a device like a printer needing attention or a program requesting resources.

Back

true

Front

A CPU can switch to another program, making it seem like the computer is doing _______ things at once.

Back

multiple