Mathematics · Computer Arithmetic and Performance
A DMA controller transfers 64-bit words from an input device to memory in 1 clock cycle using cycle stealing. The transmission rate of the input device is 4800 bytes per second. If 3 million instructions per second are fetched and executed by the CPU, by what percentage will the CPU execution be slowed down by DMA transfers?
- 12.01%
- 20.02%✓
- 30.2%
- 40.002%
Correct answer
0.02%
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