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MCQ

Q.

The technique where the controller is given complete access to main memory is __________

A

Cycle stealing

B

Memory stealing

C

Memory Con

D

Burst mode

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MCQ

1.

The DMA transfers are performed by a control circuit called as __________

A

Device interface

B

DMA controller

C

Data controller

D

Overlooker

Discussion

MCQ

2.

The controller is connected to the ____

A

Processor BUS

B

System BUS

C

External BUS

D

None of the mentioned

Discussion

MCQ

3.

The DMA differs from the interrupt mode by __________

A

The involvement of the processor for the operation

B

The method of accessing the I/O devices

C

The amount of data transfer possible

D

None of the mentioned

Discussion

MCQ

4.

The DMA controller has _______ registers.

A

4

B

2

C

3

D

1

Discussion

MCQ

5.

When the R/W bit of the status register of the DMA controller is set to 1.

A

Read operation is performed

B

Write operation is performed

C

Read & Write operation is performed

D

None of the mentioned

Discussion

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