A DMA controller transfers character on a cycle stealing mode. It is connected to a terminal that transmits 1200 CPS(Characters per second). CPU on the average takes 1 us to fetch and execute an instruction. How much percent the CPU will be slowed down due to DMA operation.

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A DMA controller transfers character on a cycle stealing mode. It is
connected to a terminal that transmits 1200 CPS(Characters per second).
CPU on the average takes 1 µus to fetch and execute an instruction. How
much percent the CPU will be slowed down due to DMA operation.
Transcribed Image Text:A DMA controller transfers character on a cycle stealing mode. It is connected to a terminal that transmits 1200 CPS(Characters per second). CPU on the average takes 1 µus to fetch and execute an instruction. How much percent the CPU will be slowed down due to DMA operation.
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