Practice - DMA Controller Context and Signals
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
What does DMA stand for?
💡 Hint: Think about the role of memory in data transfers.
Name one mode of transfer in DMA.
💡 Hint: Recall the two main ways of transferring data.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main advantage of using DMA over interrupt-driven I/O?
💡 Hint: Consider how each method utilizes CPU resources.
True or False: In DMA mode, CPU is always busy.
💡 Hint: Think about the role of the CPU during a DMA operation.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Consider a system that uses burst transfer to transfer 10 MB of data. If the maximum transfer size is limited to 64 kB, how many complete transfers are necessary?
💡 Hint: Convert MB to KB before division.
Design an optimal data transfer system using DMA for a scenario where multiple devices need to send data to memory. What configurations would you consider and why?
💡 Hint: Think about the trade-offs between single and multiple DMA controllers.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.