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Tribhuvan university CSIT 2065 Syllabus Simulation and modeling Old Questions 2072

Simulation and modeling - Old Questions

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10.  Differentiate between clock time and simulation time used in system simulation.

5 marks
Asked in 2072

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Clock TimeSimulation Time
It is the total amount of time for which the CPU remains active.It is the total amount of time that CPU spends for simulation.
Clock time is measured continuously through all the operations that a CPU undergoes.Simulation time only deals with the amount of time eleavated for simulation.
It is usually more.It is usually less.

Let us take an example, where CPU is running for 6 seconds and now it performs a calculation for 0.01 second and stops the calculation, again the CPU runs for 5 more seconds.

So, Clock time= total time CPU is active =6+5 secs = 11 seconds

Simulation time = Time taken by CPU to perform calculation = 0.01 seconds