GATE CS 2021 Set 2 — Question 30

NAT+1 / -0MediumDMA (Operation & Types)I/O OrganizationComputer Organization & Architecture

Computer Organization & Architecture → I/O Organization → DMA (Operation & Types)

Last updated 5 September 2026

Question

Consider a computer system with DMA support. The DMA module is transferring one 8-bit character in one CPU cycle from a device to memory through cycle stealing at regular intervals. Consider a 2 MHz processor. If 0.5% processor cycles are used for DMA, the data transfer rate of the device is_________bits per second.

2 \times 10^6

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2 \times 10^6

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2^{32}