Question

Assertion (A): In microprocessor 8085 DMA allows direct access to memory to speed up data transfer.

Reason (R): HOLD and HLDA signals are used for DMA operations.

a.

Both A and R are correct and R is correct explanation of A

b.

Both A and R are correct but R is not correct explanation of A

c.

A is correct R is wrong

d.

A is wrong R is correct

Answer: (b).Both A and R are correct but R is not correct explanation of A

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Q. Assertion (A): In microprocessor 8085 DMA allows direct access to memory to speed up data transfer. Reason (R): HOLD and HLDA signals are used for DMA operations.

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