Practice Explain design issues of DMA module - 28.2.3 | 28. Lecture – 35 | Computer Organisation and Architecture - Vol 3
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28.2.3 - Explain design issues of DMA module

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Learning

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 without CPU involvement.

Question 2

Easy

Name one advantage of using DMA.

💡 Hint: Consider the workload of the CPU.

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 purpose of a DMA controller?

  • To facilitate CPU processing
  • To enable direct data transfer between memory and devices
  • To manage interrupts from devices

💡 Hint: Consider what it allows data to do without the CPU's help.

Question 2

True or False: DMA allows CPU to manage data transfers actively during execution.

  • True
  • False

💡 Hint: Think about the difference between DMA and traditional methods.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

You have a DMA controller connected to a hard disk and a main memory. Develop the step-by-step algorithm the DMA would use to transfer a 2 MB file to RAM, considering necessary conditions and constraints.

💡 Hint: Consider how the controller coordinates actions to ensure the transfer works correctly.

Question 2

Evaluate the potential risks associated with having multiple DMA operations occurring simultaneously. How would you mitigate these risks from a design perspective?

💡 Hint: Think about how devices might interfere with one another and how to avoid that.

Challenge and get performance evaluation