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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What happens to the CPU during a DMA operation?
💡 Hint: Think about how traffic works at an intersection.
Question 2
Easy
Name the two modes of DMA operation.
💡 Hint: Consider how data is transferred.
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 main function of Direct Memory Access (DMA)?
- A. Control the CPU
- B. Transfer data directly between devices and memory
- C. Increase CPU speed
💡 Hint: Think about how devices interact with memory.
Question 2
True or False: In DMA, the CPU is always involved during data transfers.
- True
- False
💡 Hint: Consider the concept of CPU suspension.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You need to transfer a file of 10 MB using burst mode on a 16-bit processor. Calculate how many interruptions occur in the transfer.
💡 Hint: Remember the maximum data that can be transferred in burst mode.
Question 2
Design a system that optimizes DMA in terms of minimizing CPU suspension while maximizing data transfer speed.
💡 Hint: Think about how systems can balance access between CPU and DMA.
Challenge and get performance evaluation