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Control structures
Control structures are block of statements that analyze the value of variables and determine the flow of execution based on those values. When a program is running, the CPU executes the code line by line. After sometime, the program reaches the point where it has to make a decision on whether it has to go to another part of the code or repeat execution of certain part of the code. These results affect the flow of the program's code and these are called control structures.
Switch Statement
The switch statement is a key feature that is used by the programmers a lot in the world of programming and coding, as well as in information technology in general. The switch statement is a selection control mechanism that allows the variable value to change the order of the individual statements in the software execution via search.
Our CPU is currently idle and the current time is labeled time 0. Four
processes arrive to the ready queue at the following times and with the following required
run time:
Process Arrival Time Run Time
A 0 9
B 1 28
C 2 7
D 3 3
Simulate the process scheduling and execution under the FCFS, SJF, and SRTN scheduling
algorithms. Indicate each scheduling decision, and calculate the turnaround time for each
process. Also calculate the average turnaround time for each scheduling
started the solution below for FCFS to give an example of the format for your answer.
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