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Recent questions tagged process
2
2 votes
1
1 answer
88
88 views
Operating System Self doubt
Which of the following actions by a running process will always result in a context switch of the running process, even in a non-preemptive kernel design?(a) Servicing a ...
Sandy_05
88
views
asked
Jun 23
Operating System
operating-system
process
self-doubt
usermod
+
–
0
0 votes
2
2 answers
557
557 views
UGC NET CSE | June 2025 | Part 2 | Question: 62
Once the process is allocated CPU and executing which of the following events could not occur?The process could issue an I/O request and then be placed in the Ready Queue...
Shubham Sharma 2
557
views
asked
Sep 10, 2025
Operating System
ugcnetcse-june2025
operating-system
process-scheduling
process
+
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0
0 votes
0
0 answers
281
281 views
UGC NET CSE | January 2025 | Part 2 | Question: 100
Consider the following set of processes with the arrival time and length of CPU Burst time given in milli-seconds ($\mathrm{ms}$):$\begin{array}{|c|c|c|} \hline \textbf{P...
Shubham Sharma 2
281
views
asked
Sep 10, 2025
Operating System
ugcnetcse-jan2025
operating-system
process-scheduling
process
+
–
0
0 votes
1
1 answer
258
258 views
UGC NET CSE | August 2024 | Part 2 | Question: 60
Which of the following statements are TRUE about Process Control Block (PCB)?The PCB contains information about the process state, such as whether it is running, waiting ...
Shubham Sharma 2
258
views
asked
Sep 9, 2025
Operating System
ugcnetcse-aug2024
operating-system
process
+
–
0
0 votes
0
0 answers
208
208 views
UGC NET CSE | December 2023 | Part 2 | Question: 18
Given as $4 \mathrm{~GB}\left(\approx 4.3 \times 10^{9}\right.$ bytes $)$ of virtual space and typical page size of $4$ KB and each page table entry is $5$ bytes. How man...
Shubham Sharma 2
208
views
asked
Sep 9, 2025
Operating System
ugcnetcse-dec2023
operating-system
virtual-memory
process
co-and-architecture
+
–
1
1 vote
2
2 answers
682
682 views
#operating-system #fork-system-calls
How to draw the tree diagram for these types of questions fork() calls ?1.main() { if( fork() ) { if(!fork()) { fork(); printf(" 1 "); } else { fork(); printf(" 2 "); } }...
js__
682
views
asked
Apr 18, 2025
Operating System
fork-system-call
operating-system
gate-preparation
self-doubt
general-topic-doubt
process
+
–
8
8 votes
1
1 answer
980
980 views
GO Classes Test Series 2024 | Mock GATE | Test 14 | Question: 23
Consider the context switch of a CPU from the context of process P1 to that of process P2.Consider the following two events in the chronological order of the events durin...
GO Classes
980
views
asked
Feb 5, 2024
Operating System
goclasses2024-mockgate-14
operating-system
context-switch
process
one-mark
+
–
0
0 votes
0
0 answers
349
349 views
What is the difference between synchronous and asynchronous signals?
A process can receive two kinds of signals classified based on the source and reason.Synchronous are the one that are generated by illegal memory access or division by ze...
tbhaxor
349
views
asked
Feb 1, 2024
Operating System
operating-system
process
+
–
0
0 votes
1
1 answer
1.4k
1.4k views
MadeEasy Test Series 2024 - In this question they have asked about the number of context switches that are happening. (Excluding the first and the last context switch). I am getting the answer as 5, according to the answer key it should be 6. I am not pre-empting process P when Q arrives as P has a higher priority than Q, in the solutions they have done the exact opposite, can anyone please tell me whether my approach is correct or I am missing onto something.
Jobs $P, Q, R, S$ and $T$ with burst times equal to $13,10,5,9$ and 1 respectively arrive in $0,5,7,10,12$ seconds. Pre-emptive priority scheduling is utilized for schedu...
tishhaagrawal
1.4k
views
asked
Dec 4, 2023
Operating System
gate-preparation
operating-system
made-easy-test-series
process-scheduling
self-doubt
test-series
process
+
–
1
1 vote
1
1 answer
999
999 views
Made Easy Test Series
Rahhul A
999
views
asked
Oct 1, 2023
Operating System
made-easy-test-series
operating-system
process-synchronization
process
two-marks
+
–
0
0 votes
1
1 answer
679
679 views
UGC NET CSE | June 2023 | Part 2: 28
Consider the following statements:S1: LRU page replacement algorithm suffers from the belady's anomalyS2: Shortest remaining time first scheduling may cause starvationsS3...
admin
679
views
asked
Jul 28, 2023
Operating System
ugcnetcse-june2023-paper2
page-replacement
process-scheduling
process
threads
+
–
0
0 votes
2
2 answers
699
699 views
UGC NET CSE | June 2023 | Part 2: 52
Given below are two statements: one is labelled as Assertion $\text{A}$ and the other is labelled as Reason $\text{R}$.Assertion $\text{A}$: A process involves a library ...
admin
699
views
asked
Jul 28, 2023
Operating System
ugcnetcse-june2023-paper2
process-synchronization
threads
process
+
–
1
1 vote
2
2 answers
1.0k
1.0k views
UGCNET CSE December 2022: 17
In Linux Operating System, when ___________is invoked, it is passed a set of flags that determine how much sharing is to take place between the parent and child tasks.for...
admin
1.0k
views
asked
May 20, 2023
Operating System
ugcnetcse-dec2022
operating-system
linux
process-scheduling
process
fork-system-call
+
–
0
0 votes
1
1 answer
656
656 views
UGCNET CSE December 2022: 18
The main function of the microkernel is to provide a communication facility between the program and the various that are also running in user space.Virtual, ProcessesSyst...
admin
656
views
asked
May 20, 2023
Others
ugcnetcse-dec2022
microkernel
communication
process
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