Problem-1 Three processes A, B and C are run concurrently. Process A arrives the system at time 0 and uses the CPU for 50 ms. Process B arrives shortly after A, still at time 0. Process B has a loop with 2 iterations; for each iteration, it uses CPU for 10 ms then does I/O for 20 ms. Process C is identical to B, arrives shortly after B, still at time 0. The system employs Round Robin algorithm with time slice=10 ms. 1/0 operations can execute concurrently. • Show the order of execution on the CPU - a) Indicate termination time for each process b) Calculate CPU and I/O utilization c) Calculate Average Wait Time d) Calculate Average Turnaround Time
Problem-1 Three processes A, B and C are run concurrently. Process A arrives the system at time 0 and uses the CPU for 50 ms. Process B arrives shortly after A, still at time 0. Process B has a loop with 2 iterations; for each iteration, it uses CPU for 10 ms then does I/O for 20 ms. Process C is identical to B, arrives shortly after B, still at time 0. The system employs Round Robin algorithm with time slice=10 ms. 1/0 operations can execute concurrently. • Show the order of execution on the CPU - a) Indicate termination time for each process b) Calculate CPU and I/O utilization c) Calculate Average Wait Time d) Calculate Average Turnaround Time
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Transcribed Image Text:Problem-1
Three processes A, B and C are run concurrently.
Process A arrives the system at time 0 and uses the CPU for 50 ms.
Process B arrives shortly after A, still at time 0. Process B has a loop with
2 iterations; for each iteration, it uses CPU for 10 ms then does I/O for 20
ms.
Process C is identical to B, arrives shortly after B, still at time 0.
The system employs Round Robin algorithm with time slice=10 ms. 1/0
operations can execute concurrently.
• Show the order of execution on the CPU -
a) Indicate termination time for each process
b) Calculate CPU and I/O utilization
c) Calculate Average Wait Time
d) Calculate Average Turnaround Time
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