Introduction to DBMS
Quick practice
Question 1 of 5
Consider a device which is using cycle stealing mode of DMA to transfer data to memory. The device has a transfer rate of 20KBPS. During DMA transfer 10% of the time, CPU is blocked due to DMA. Whenever 8 bytes data is ready from I/O then it is transferred to memory in one memory cycle time. Which of the following gives the correct value of memory cycle time?
A
20 microseconds
B
30 microseconds
C
10 microseconds
D
40 microseconds
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