Question: 19 18) (4) A disk transmits at rate 106 bytes per second. Suppose interrupt driven I/O is used, and the CPU is interrupted after every

19 18) (4) A disk transmits at rate 106 bytes per second. 19

18) (4) A disk transmits at rate 106 bytes per second. Suppose interrupt driven I/O is used, and the CPU is interrupted after every byte is transferred. If the CPU executes a billion instructions per second, and it takes 100 instructions to service an interrupt, then by what percentage is the CPU slowed by the disk? 19. (4) Reconsider the last problem: Suppose a DMA module handles all disk transmissions Suppose the CPU is interrupted after the disk transmits 103 bytes. By what percentage is the CPU slowed by the disk

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