Interrupts are an integral part of all microcontroller hardware structures. (a) What is an interrupt and how does it work? (4 marks) (b) What are the differences between polling and interrupt? What are their pros and cons?
Added by Tony C.
Step 1
It allows the processor to temporarily suspend its current activities, save its state, and execute a special set of instructions known as an interrupt service routine (ISR) to handle the event. Show more…
Show all steps
Your feedback will help us improve your experience
Paul Gabriel and 57 other AP CS educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
4.What happens when an interrupt is raised? a) Flag register is stored onto stack b) PC is stored onto stack c) A is stored onto stack a, b a, b, c b, c a, c
Paul G.
Akash M.
Select the correct alternative from the given choices. What will be the response of the CPU, on receiving an interrupt from an input/output device? (A) It hands over the control of address bus and data bus to the interrupting device. (B) It branches off to the interrupt service routine after completion of the current instruction. (C) It halts for a predetermined time. (D) It branches off to the interrupt service routine immediately.
Computer Organization and Architecture
Memory Interface, I/O Interface
Recommended Textbooks
Computer Science and Information Technology
Introduction to Programming Using Python
Computer Science - An Overview
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD