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7 July, 20:47

What impact did the lack of dma have on multiprogramming?

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  1. 7 July, 21:13
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    The CPU would have to wait for the i/o to finish before it can proceed to another process. Although the CPU allowed multiple programs to run, they had to be run in sequence. This could cause a pileup because one process had to be completed before another one could be started. Without DMA, the purpose of mutiprogramming is defeated.
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