Practice Direct Memory Access Overview - 28.3 | 28. Lecture – 35 | Computer Organisation and Architecture - Vol 3
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is Direct Memory Access?

💡 Hint: Think about how devices communicate with memory.

Question 2

Easy

Name one benefit of using DMA.

💡 Hint: Consider what happens without CPU waiting.

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 purpose of DMA?

  • To increase CPU workload
  • To facilitate direct data transfer between I/O devices and memory
  • To manage devices directly

💡 Hint: Think about what DMA enables devices to do.

Question 2

True or False: The CPU is directly involved in data transfers when DMA is used.

  • True
  • False

💡 Hint: Consider the role of DMA compared to traditional methods.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Describe a scenario in which the lack of DMA would severely impact system performance. Discuss what tasks the CPU would be unable to perform due to busy-waiting.

💡 Hint: Consider user experience versus data transfer efficiency.

Question 2

Design a DMA controller component that includes control logic, a data count register, and an address register. Describe how each component interacts during a data transfer.

💡 Hint: Focus on the sequential logic of data transfers.

Challenge and get performance evaluation