Comparing Computer Speed: A vs. B vs. C

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What is the speedup of computer A over computer C?

2.5

3.0

7.5 (correct)

10.0

Which computer is the fastest based on the given speedup values?

Computer B

Not enough information provided

Computer A (correct)

Computer C

How fast is computer B compared to computer C in terms of speedup?

2.5 times faster

3.0 times faster (correct)

7.5 times faster

5.0 times faster

What is the inverse of the clock speed or f (clock cycles per second in MHz or GHz)?

Clock cycle time Signup and view all the answers

What is throughput (bandwidth) a measure of?

Total work done in a given time Signup and view all the answers

Which factor determines the performance of a computer system?

Execution time Signup and view all the answers

If computer X is n times faster than computer Y, what is the relationship between their performance and execution time?

Performance(X) / Execution Time(Y) = Speedup Signup and view all the answers

If computer A runs a program in 10 seconds and computer B runs the same program in 20 seconds, how much faster is A than B?

$100%$ faster Signup and view all the answers

How can the CPU execution time for a program be determined?

By multiplying the total number of clock cycles by the clock cycle time Signup and view all the answers

What units are used to measure Instruction Count (I) in the basic performance equation?

Instructions/program Signup and view all the answers

How can the performance equation for CPU Execution Time be written based on the text?

CPU Execution Time = Instruction Count x CPI x clock cycle time Signup and view all the answers

What is the most accurate way to calculate CPU Execution Time for a program?

Multiply the Instruction Count, CPI, and clock cycle time Signup and view all the answers

Comparing Computer Speed: A vs. B vs. C

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Questions and Answers

What is the speedup of computer A over computer C?

Which computer is the fastest based on the given speedup values?

How fast is computer B compared to computer C in terms of speedup?

What is the inverse of the clock speed or f (clock cycles per second in MHz or GHz)?

What is throughput (bandwidth) a measure of?

Which factor determines the performance of a computer system?

If computer X is n times faster than computer Y, what is the relationship between their performance and execution time?

If computer A runs a program in 10 seconds and computer B runs the same program in 20 seconds, how much faster is A than B?

How can the CPU execution time for a program be determined?

What units are used to measure Instruction Count (I) in the basic performance equation?

How can the performance equation for CPU Execution Time be written based on the text?

What is the most accurate way to calculate CPU Execution Time for a program?

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