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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does DMA stand for?
💡 Hint: Think about the function it enables between devices and memory.
Question 2
Easy
Name one advantage of using a DMA controller.
💡 Hint: Consider what responsibilities the CPU has during data transfer.
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 purpose of a DMA controller?
- A) To perform calculations.
- B) To manage data transfers between I/O devices and memory.
- C) To regulate CPU clock speed.
💡 Hint: Think about the main function we discussed.
Question 2
True or False: DMA controllers can only work with one I/O device at a time.
- True
- False
💡 Hint: Reflect on the features of the Intel 8257 we talked about.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Propose a real-time application scenario that would benefit substantially from the implementation of a DMA controller. Explain the implications of using DMA in your scenario.
💡 Hint: Think of areas where continuous data flow is critical.
Question 2
Critically evaluate how the use of DMA can introduce complexity in a system versus using CPU for all data transfers. Discuss both advantages and disadvantages.
💡 Hint: Consider the trade-offs between speed and management overhead.
Challenge and get performance evaluation