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Question

Suppose that a bus has 16 data lines and requires 4 cycles of 250 nsecs each to transfer data. The bandwidth of this bus would be 2 Megabytes/sec. If the cycle time of the bus was reduced to 125 nsecs and the number of cycles required for transfer stayed the same what would the bandwidth of the bus?

a.

1 Megabyte/sec

b.

4 Megabytes/sec

c.

8 Megabytes/sec

d.

2 Megabytes/sec

Answer: (d).2 Megabytes/sec

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Q. Suppose that a bus has 16 data lines and requires 4 cycles of 250 nsecs each to transfer data. The bandwidth of this bus would be 2 Megabytes/sec. If the cycle time of the bus was...

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