Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
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
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.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does DMA stand for?
💡 Hint: Think about transfers without CPU involvement.
Question 2
Easy
Name one disadvantage of interrupt-driven I/O.
💡 Hint: Consider how the CPU has to pause and switch tasks.
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 one key advantage of DMA over interrupt-driven I/O?
- It requires more CPU involvement
- It allows simultaneous processing
- It makes data transfer slower
💡 Hint: Think about how CPU workload is affected.
Question 2
True or False: In DMA, a context switch is always required.
- True
- False
💡 Hint: Remember how DMA operates compared to interrupt-driven methods.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
How would the use of DMA change if you had a real-time system where timing is critical?
💡 Hint: Consider the importance of processing speed in your explanation.
Question 2
If you need to transfer 1 GB of data with a system that can only process 64 KB at a time, how many times would you expect DMA to take control?
💡 Hint: Focus on calculating total data divided by per-operation limits.
Challenge and get performance evaluation