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

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.

Figure DMA Transfer in a Computer System

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

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