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 is doubled, what would the bandwidth of the bus? -lect one: a.2 Megabytes/sec b.1 Megabytes/sec c.4 Megabytes/sec d.8 Megabytes/sec

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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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 is doubled, what would the bandwidth of the bus?
Select one:
a.2 Megabytes/sec
b.1 Megabytes/sec
c.4 Megabytes/sec
d.8 Megabytes/sec
Transcribed Image Text: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 is doubled, what would the bandwidth of the bus? Select one: a.2 Megabytes/sec b.1 Megabytes/sec c.4 Megabytes/sec d.8 Megabytes/sec
In a CISC processor, simple instructions are executed in 4 cycles and complex instructions take 9 cycles. The cycle time for this CISC processor is 102 ns.
For a program of 1,000,000 instructions, where 80% of the executed instructions are simple and the other 20% are complex, determine the time it takes to
run the program in the RISC processor.
Select one:
a.0.5 s
b.0.27 s
c.0.24 s
d.0.48 s
e.0.51 s
Transcribed Image Text:In a CISC processor, simple instructions are executed in 4 cycles and complex instructions take 9 cycles. The cycle time for this CISC processor is 102 ns. For a program of 1,000,000 instructions, where 80% of the executed instructions are simple and the other 20% are complex, determine the time it takes to run the program in the RISC processor. Select one: a.0.5 s b.0.27 s c.0.24 s d.0.48 s e.0.51 s
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