📚 Question Bank Q99 — Computer Organization and Architecture
⚙Tags
Home › UGC NET Paper 2: Computer Science 2nd January 2026 Shift 1 › Computer Organization and Architecture
Computer Organization and Architecture
Q99. Marks: +2.0 UGC NET Paper 2: Computer Science 2nd January 2026 Shift 1
📄 Passage
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.
Which is more CPU-efficient for large block transfer?
1.Programmed I/O
2.DMA ✓ Correct
3.Both programmed I/O and DMA
4.Depends on block size
📄 All “Computer Organization and Architecture” questions across papers
7 / 8 in this subject • Back to paper
🏷 Change Tag for this Question ▶