It is necessary to transfer 2048 words from a hard drive to a section of memory starting

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It is necessary to transfer 2048 words from a hard drive to a section of memory starting from address 4096. The transfer is by means of DMA, as shown in Figure 11-20.

Figure 11-20

(a) Give the initial values that the CPU must transfer to the DMA controller.

(b) Give the step-by-step account of the actions taken during the input of the first two words.

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Logic And Computer Design Fundamentals

ISBN: 9780133760637

5th Edition

Authors: M. Morris Mano, Charles Kime, Tom Martin

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Question Posted: Jan 08, 2024 03:47 AM

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It is necessary to transfer 2048 words from a hard drive to a section of memory starting

Question:

Address decoder Interrupt BG BR RD BG CPU WR Address Data RD WR Address Data DS RS BR Interrupt DMA controller Read control RD WR Address Data Write control Address bus Memory Data bus DMA request DMA acknowledge I/O peripheral device

Step by Step Answer:

a Initial values that the CPU must transfer to the DMA controller Set the DMA controllers starting a...View the full answer

Logic And Computer Design Fundamentals

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