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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 how data is accessed directly from memory.
Question 2
Easy
Name one mode of DMA transfer.
💡 Hint: Recall the two types of data transfer modes mentioned.
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?
- Manage CPU processes
- Control data transfers between devices and memory
- Perform context switching
💡 Hint: Consider what DMA stands for and what it enables.
Question 2
Cycle stealing mode allows the CPU to access the bus during transfers.
- True
- False
💡 Hint: Think about how cycle stealing differs from burst mode.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have a system designed for DMA operations transferring 4 MB of data at a time. With a memory bus width of 16 bits, calculate how many data transfer operations are necessary.
💡 Hint: Break the 4 MB data down into bytes and factor in the 16-bit width.
Question 2
Discuss the advantages and disadvantages of burst mode in a multitasking computer environment.
💡 Hint: Think about what happens when the bus is occupied with a burst transfer.
Challenge and get performance evaluation