Practice Direct Memory Access (DMA) - 7.4 | Module 7: Input/Output (I/O) Organization | Computer Architecture
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.

7.4 - Direct Memory Access (DMA)

Enroll to start learning

You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is Direct Memory Access (DMA)?

💡 Hint: Think about how DMA changes the role of the CPU in data transfers.

Question 2

Easy

Name one benefit of using DMA.

💡 Hint: Consider how it affects CPU workload.

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 is the primary function of DMA?

  • To decrease data transfer speed
  • To facilitate data transfer without CPU intervention
  • To require constant CPU control

💡 Hint: Consider how DMA changes the role of the CPU.

Question 2

True or False: DMA can operate in burst mode.

  • True
  • False

💡 Hint: Recall the various modes DMA can utilize.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a scenario where a DMA controller must transfer 2MB of video data to memory, outline the setup needed including destination address, source address, and transfer count. Discuss how you would choose the DMA mode.

💡 Hint: Think about the implications of choosing each DMA mode for performance.

Question 2

Discuss how DMA influences the performance of tasks that involve both high-speed data access and computational loads simultaneously.

💡 Hint: Consider scenarios like video editing or gaming to illustrate the necessity of efficient data transfers.

Challenge and get performance evaluation