1
GATE CSE 2021 Set 1
MCQ (More than One Correct Answer)
+2
-0.67
Which of the following standard C library functions will always invoke a system call when executed from a single-threaded process in a UNIX/Linux operating system?
2
GATE CSE 2020
Numerical
+2
-0.67
Consider the following set of processes, assumed to have arrived at time 0. Consider the CPU scheduling algorithms Shortest Job First (SJF) and Round Robin (RR). For RR, assume that the processes are scheduled in the order P1, P2, P3, P4.
If the time quantum for RR is 4 ms, then the absolute value of the difference between the average turnaround times (in ms) of SJF and RR (round off to 2 decimal places) is _____.
If the time quantum for RR is 4 ms, then the absolute value of the difference between the average turnaround times (in ms) of SJF and RR (round off to 2 decimal places) is _____.
Your input ____
3
GATE CSE 2019
Numerical
+2
-0.67
Consider the following four processes with arrival times (in milliseconds) and their length of CPU bursts (in milliseconds) as shown below :
These processes are run on a single processor using preemptive Shortest Remaining Time First scheduling algorithm. If the average waiting time of the processes is 1 millisecond, then the value of Z is _____.
These processes are run on a single processor using preemptive Shortest Remaining Time First scheduling algorithm. If the average waiting time of the processes is 1 millisecond, then the value of Z is _____.
Your input ____
4
GATE CSE 2016 Set 2
Numerical
+2
-0
Consider the following processes, with the arrival time and the length of the CPU burst given in milliseconds. The scheduling algorithm used is preemptive shortest remaining-time first.
Process | Arrival Time | Burst Time |
---|---|---|
P1 P2 P3 P4 |
0 3 7 8 |
10 6 1 3 |
The average turn around time of these processes is milliseconds.
Your input ____
Questions Asked from Process Concepts and Cpu Scheduling (Marks 2)
Number in Brackets after Paper Indicates No. of Questions
GATE CSE 2021 Set 1 (1)
GATE CSE 2020 (1)
GATE CSE 2019 (1)
GATE CSE 2016 Set 2 (1)
GATE CSE 2015 Set 1 (1)
GATE CSE 2015 Set 3 (1)
GATE CSE 2014 Set 1 (1)
GATE CSE 2014 Set 3 (1)
GATE CSE 2014 Set 2 (1)
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GATE CSE 2001 (1)
GATE CSE 1999 (2)
GATE CSE 1998 (1)
GATE CSE 1996 (1)
GATE CSE 1995 (1)
GATE CSE 1993 (2)
GATE CSE 1992 (1)
GATE CSE 1990 (1)
GATE CSE 1988 (1)
GATE CSE Subjects
Discrete Mathematics
Programming Languages
Theory of Computation
Operating Systems
Computer Organization
Database Management System
Data Structures
Computer Networks
Algorithms
Compiler Design
Software Engineering
Web Technologies
General Aptitude