DMA-II MCQ’s

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This set of Embedded System Multiple Choice Questions & Answers (MCQs) focuses on “DMA-II”.

1. Which can provide an address stride?
a) single address mode
b) dual address mode
c) 1D model
d) 2D model

2. Which address mode uses two addresses and two accesses to transfer the data between the peripheral and the memory?
a) dual address model
b) 1D model
c) 2D model
d) 3D model

3. Which of the following is used to calculate an offset to base address?
a) single address mode
b) dual address mode
c) 1D model
d) 2D model

4. Which of the following model can implement a circular buffer?
a) dual address mode
b) 1D model
c) 2D model
d) 3D model

5. Which of the following has the ability to change the stride automatically?
a) 1D model
b) 2D model
c) 3D model
d) dual address mode

6. Which of the following is also known as implicit address?
a) dual address model
b) single address model
c) 1D model
d) 2D model

7. How is the count register can be splitted?
a) 2
b) 3
c) 4
d) 5

8. Which of the following address mode uses a buffer to hold data temporarily?
a) 1D model
b) 2D model
c) dual address model
d) 3D model

9. Which is used to prioritise multiple requests?
a) dual address mode
b) single address mode
c) arbitration
d) chaining

10. Which of the following uses an address and a counter to define the sequence of addresses?
a) dual address mode
b) 2D model
c) 1D model
d) 3D model

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