Practice Processor Suspension During Dma (29.1.2) - Overview of DMA and Interrupt Driven I/O
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Processor Suspension During DMA

Practice - Processor Suspension During DMA

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Practice Questions

Test your understanding with targeted questions

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.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

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.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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.

Challenge 2 Hard

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.

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