1
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
$$12$$
2
GATE CSE 1992
MCQ (Single Correct Answer)
+2
-0.6
Which of the following is an example of a spooled device?
A
The terminal used to the input data for a program being executed.
B
The secondary memory device in a virtual memory system.
C
A line printer used to print the output of a number of jobs.
D
None of the above.
3
GATE CSE 1990
Fill in the Blanks
+2
-0
The highest-response ratio next scheduling policy favours $$.......$$ jobs, but it also limits the waiting time of $$ .....$$ jobs.
4
GATE CSE 1988
Subjective
+2
-0
State an undesirable characteristic of each of the following criteria for measuring performance of an operating system:
(a) Turn around time. (b) Waiting time.
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