1
GATE CSE 1996
MCQ (Single Correct Answer)
+2
-0.6
Four jobs to be executed on a single processor system arrive at time $${0^ + }$$ in the order $$A, B, C, D.$$ their burst $$CPU$$ time requirements are $$4, 1, 8, 1$$ time units respectively. The completion time of A under round robin scheduling with time slice of one time units.
A
$$10$$
B
$$4$$
C
$$8$$
D
$$9$$
2
GATE CSE 1995
MCQ (Single Correct Answer)
+2
-0.6
The sequence $$.........$$ is an optimal non-preemptive scheduling sequence for the following jobs which leaves the $$CPU$$ idle for $$..........$$ Unit (s) of time GATE CSE 1995 Operating Systems - Process Concepts and Cpu Scheduling Question 22 English
A
$$\left\{ {3,2,1} \right\},1$$
B
$$\left\{ {2,1,3} \right\},0$$
C
$$\left\{ {3,2,1} \right\},0$$
D
$$\left\{ {1,2,3} \right\},5$$
3
GATE CSE 1993
Subjective
+2
-0
The details of an interrupt cycle are shown in Figure GATE CSE 1993 Operating Systems - Process Concepts and Cpu Scheduling Question 36 English
Given that an interrupt input arrives every $$1$$ $$msec,$$ what is the percentage of the total time that the $$CPU$$ devotes for the main program execution.
4
GATE CSE 1993
MCQ (Single Correct Answer)
+2
-0.6
Assume that the following jobs are to be executed on a single processor system.
Job Id CPU Burst Time
p 4
q 1
r 8
s 1
t 2

The jobs are assumed to have arrived at time $${0^ + }$$ and in the order $$p,q,r,s,t.$$ Calculate the departure time (completion time) for job $$p$$ if scheduling is round robin with time slice$$1.$$

A
$$4$$
B
$$10$$
C
$$11$$
D
$$12$$
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