Beginner
Operating Systems
Q30 / 100
What is DMA (Direct Memory Access)?
Correct! Well done.
Incorrect.
The correct answer is B) A mechanism allowing I/O devices to transfer data directly to/from memory without CPU involvement, freeing the CPU for other tasks
B
Correct Answer
A mechanism allowing I/O devices to transfer data directly to/from memory without CPU involvement, freeing the CPU for other tasks
Explanation
DMA controllers handle bulk data transfers between I/O devices and memory. The CPU initializes the transfer, then continues executing until the DMA controller fires a completion interrupt.
Progress
30/100