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Welcome to the DMA MCQs Page

Dive deep into the fascinating world of DMA with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of DMA, a crucial aspect of Microprocessor. In this section, you will encounter a diverse range of MCQs that cover various aspects of DMA, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Microprocessor.

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Check out the MCQs below to embark on an enriching journey through DMA. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Microprocessor.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of DMA. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

DMA MCQs | Page 5 of 7

Q41.
The register that holds the current memory address is
Discuss
Answer: (b).current address register
Q42.
The register that holds the data byte transfers to be carried out is
Discuss
Answer: (a).current word register
Discuss
Answer: (c).EOP (end of process) is generated
Q44.
The current address register is programmed by the CPU as
Discuss
Answer: (b).byte-wise
Q45.
Which of these register’s contents is used for auto-initialization (internally)?
Discuss
Answer: (c).base address register
Q46.
The register that maintains an original copy of the respective initial current address register and current word register is
Discuss
Answer: (b).base address register
Q47.
The register that can be automatically incremented or decremented, after each DMA transfer is
Discuss
Answer: (d).current address register
Q48.
Which of the following is a type of DMA transfer?
Discuss
Answer: (d).all of the mentioned
Discuss
Answer: (d).all of the mentioned
Q50.
The register that holds the data during memory to memory data transfer is
Discuss
Answer: (b).temporary register
Page 5 of 7

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