Sunday, June 3, 2007

Question 23

Which of the following is the most appropriate description of I/O processing handled by DMA control?

a) The CPU directly controls the I/O devices and performs data transfer.
b) Data is transferred between the I/O devices and main memory without passing through the CPU.
c) Data is transferred between the I/O devices and main memory using channel connections.
d) Data transfer is performed by a processor dedicated to I/O control

answer

No comments: