Exercises 16-19: True/False Statements For each of the following exercises, writ
ID: 3786654 • Letter: E
Question
Exercises 16-19: True/False Statements For each of the following exercises, write T or True if the statement is true; write F or False if the the statement is false Exercises 16-18 are worth 1 pt each. 16. The execution time for a program P on computer system X includes the time the CPU spends executing instructions of the operating system on behalf of P 17. A microprocessor system with a system clock frequency of 3 GHz will always execute programs more quickly than a different microprocessor system running at only 2.5 GHz. 18. More code is written in high-level programming languages than assembly language because an assembly language pro- gram is so closely tied to the underlying architecture of the machine that it is not possible to run an assembly langu age program written for processor X on a processor Y, with a different architecture. 19. If we know the average CPI for a program and the system clock frequency, then we can calculate the user CPU time.Explanation / Answer
16.
The given statement is True.
Explanation:
17.
The given statement is True.
Explanation:
18.
The given statement is True.
Explanation:
19.
The given statement is False.
Explanation:
CPU time = I * CPI *T
20.
a.
The execution of P is computed as follows:
Execution time of P = user + system
= 25m45.187s
Thus, the execution time of P is 25m45.187s.
b.
The user CPU time of P is 24m41.850s.(Given)
c.
The system CPU time of P is 1m3.337s.(Given)
d.
The time is computed as follows:
Execution time spend neither for instructions nor by OS = real – (user + system)
= 27m42.399s
Thus, the execution of P did the system spend not executing the instructions of P nor OS instructions on behalf of P is 27m42.399s.
e.
The factor is wall clock time.
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