Question:medium

In an I/O system, 'Direct Memory Access (DMA)' is used to:

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DMA is essential for "Block-oriented" devices. Without DMA, modern high-speed gaming and video processing would be impossible as the CPU would be 100% occupied just moving data from the disk to the RAM.
Updated On: Jul 4, 2026
  • Allow the CPU to execute I/O instructions faster.
  • Transfer data between I/O devices and memory without continuous CPU intervention.
  • Synchronize the speeds of the CPU and the disk.
  • Prevent deadlocks in peripheral devices.
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The Correct Option is B

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