Question

In DMA process which all access is given by
Microprocessor to DMA controller?

A) ALU
B) Buses Control
C) Only register access
D) None of above​

Answer 1

D none of the above

DMA controller transfers the data block at the faster rate as data is directly accessed by I/O devices

Answer 2

Answer:

option b is correct in which alu is never used so in which only bus control give peripheral to transfer the data