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Consider the following processes: Process Arrival Time Service Time A 0 4 B 1 3 с 2 3 D 2 2 E 3 1 F 5 3 Show (draw the schedule, x-axis is time, and one row for each CPU) how the above processes execute over time on a system with 2 CPUs. Compute the average turnaround time for all processes and the average utilization for each CPU under each of the following schedulers:

Consider the following processes: Process Arrival Time Service Time A 0 4 B 1 3 с 2 3 D 2 2 E 3 1 F 5 3 Show (draw the schedule, x-axis is time, and one row for each CPU) how the above processes execute over time on a system with 2 CPUs. Compute the average turnaround time for all processes and the average utilization for each CPU under each of the following schedulers:

Database System Concepts
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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Question

(a) FCFS with a single Ready Queue. A process gets scheduled once one of the CPUs
is available. When both CPUs are available, we select CPU1. 
(b) FCFS with a Ready Queue per CPU. Processes A, B, and C go to CPU1 and processes
D, E, and F go to CPU2. 
(c) HRRN with a single Ready Queue. A process gets scheduled once one of the CPUs
is available. When both CPUs are available, we select CPU1. 

Consider the following processes: Process Arrival Time Service Time A 0 4 B 1 3 с 2 3 D 2 2 E 3 1 F 5 3 Show (draw the schedule, x-axis is time, and one row for each CPU) how the above processes execute over time on a system with 2 CPUs. Compute the average turnaround time for all processes and the average utilization for each CPU under each of the following schedulers:
Transcribed Image Text:Consider the following processes: Process Arrival Time Service Time A 0 4 B 1 3 с 2 3 D 2 2 E 3 1 F 5 3 Show (draw the schedule, x-axis is time, and one row for each CPU) how the above processes execute over time on a system with 2 CPUs. Compute the average turnaround time for all processes and the average utilization for each CPU under each of the following schedulers:
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