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Question 41Asked in BEL PE Computer Science, 20 Dec 2025 (5:00 PM)

Which of the following DMA signals is sent from the CPU or the system's bus controller to give the DMA controller permission to use the system bus for…

Which of the following DMA signals is sent from the CPU or the system's bus controller to give the DMA controller permission to use the system bus for transferring data?
  1. ABus Request (BR)
  2. BBus Grant (BG)
  3. CDMA Request (DRQ)
  4. DDMA Acknowledge (DACK)
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Correct answer: (B) Bus Grant (BG)

From BEL PE Computer Science PYQ, 20 Dec 2025 (5:00 PM)

This is question 41 of BEL PE Computer Science PYQ, 20 Dec 2025 (5:00 PM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.