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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 type of transfer that doesn't involve the CPU directly.
Question 2
Easy
What is the key difference between DMA and interrupt-driven I/O?
💡 Hint: Consider how each method affects CPU workload.
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 one major advantage of DMA over interrupt-driven I/O?
- DMA requires the CPU to manage transfers
- DMA does not interrupt CPU processing
- DMA is slower
💡 Hint: Which method keeps the CPU engaged in other operations?
Question 2
In cycle stealing mode, does the CPU get access to the bus?
- True
- False
💡 Hint: Think about how bus access is shared.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A file of size 10 MB is to be transferred using DMA in burst mode, where the maximum data count is 128 KB. How many burst transfers will be required?
💡 Hint: Break down the total size and see how many chunks fit into the maximum size.
Question 2
In a system where interrupt-driven I/O management is used, what are potential bottlenecks resulting from frequent interrupts?
💡 Hint: Think about how many times the CPU has to give up its work for handling the interrupts.
Challenge and get performance evaluation