engineering computer science MCQ #48

In a DMA (Direct Memory Access) transfer, what is the role of the DMA controller?

engineering computer science MCQ #48

  1. Question 1

    Q1. In a DMA (Direct Memory Access) transfer, what is the role of the DMA controller?

    • A) To transfer data between I/O devices and memory
    • B) To manage the CPU's instruction pipeline
    • C) To handle interrupts
    • D) To manage the cache hierarchy

    Answer: To transfer data between I/O devices and memory

    Explanation: The DMA controller manages data transfer between I/O devices and memory, offloading the CPU.