GATE 2024 Computer Organization & Architecture Foundation Quiz 32

A CPU generally handles an interrupt by executing an interrupt service routine

Which of the following techniques does not require processor during exchange of data directly between I/O module and memory?

Which of the following is/are NOT true?

S₁: In the DMA operation, the DMA controller hands over the system bus to CPU when the count register becomes 0.

S₂: During DMA transfer, both the “CPU” and “the program that requested DMA”, can continue their execution.

S₃: In the Cycle stealing mode of DMA ,data file will be organized into a small unit called as “Data Block” , which later transfers the file to main memory by requesting the System bus multiple times.

Consider the following statements regarding Direct Memory Access (DMA) modes. Which of the following statements are correct?

Which of the following is false?