📚 Question Bank Q97 — Computer Organization and Architecture
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Computer Organization and Architecture
Q97. Marks: +2.0 UGC NET Paper 2: Computer Science 2nd January 2026 Shift 1
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A system transfer data blocks of 2000 bytes with programmed I/O, each byte transfer takes 6 CPU cycles, with direct memory access (DMA), the block transfer takes 3000 Cycles total, with CPU setup overhead of 200 cycles. The CPU clock is 1 GHZ. Answer the following 5 questions based on this paragraph.
How many CPU cycles are spent using programmed I/O?
1.2000
2.6000
3.12000 ✓ Correct
4. 20000
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