GATE CSE 2022 Q17: Highest-throughput bulk transfer from disk to memory
- Computer Organization and Architecture
- 1 mark
- MCQ
- −1/3 if wrong
Question
Which one of the following facilitates transfer of bulk data from hard disk to main memory with the highest throughput?
Try it: multiple choice: exactly one correct option
Wrong answer costs 1/3 mark in GATE.
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Answer: A (official GATE 2022 final answer key)
Concept used: DMA moves whole blocks between device and memory without the CPU handling each word.
First step: Compare how much CPU involvement each mode needs per word of data transferred.
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Source: official GATE 2022 CS question paper and final answer key, organised by IIT Kharagpur. Question paper · Answer key
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