Practice Interrupt Service Routine (ISR) / Interrupt Handler - 3.3.4 | Module 3: Memory Interfacing and Data Transfer Mechanisms | Microcontroller
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.

Typing
Memory
Math
English Adventures
Knowledge

3.3.4 - Interrupt Service Routine (ISR) / Interrupt Handler

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is an ISR?

💡 Hint: Think about what actions happen during an interrupt.

Question 2

Easy

Why is it important to clear the interrupt flag?

💡 Hint: What happens if we forget to do this?

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does ISR stand for?

  • Internal Service Routine
  • Interrupt Service Routine
  • Immediate Service Routine

💡 Hint: Think about the purpose of ISRs.

Question 2

True or False: Clearing the interrupt flag is necessary after executing an ISR.

  • True
  • False

💡 Hint: What could happen if we don't clear it?

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design an ISR for a system that handles both a temperature sensor and a door sensor triggering events simultaneously.

💡 Hint: What are the potential conflicts when handling multiple interrupts?

Question 2

Explain the concept of re-entrant ISRs and the necessary precautions when dealing with shared resources.

💡 Hint: Why is it important to manage access to shared data?

Challenge and get performance evaluation