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System calls, Processes, Threads, Inter‐process communication, Concurrency and synchronization. Deadlock. CPU scheduling. Memory management and Virtual memory. File systems. Disks is also under this

$$\scriptsize{\overset{{\large{\textbf{Mark Distribution in Previous GATE}}}}{\begin{array}{|c|c|c|c|c|c|c|c|}\hline
\textbf{Year}& \textbf{2022} & \textbf{2021-1}&\textbf{2021-2}&\textbf{2020}&\textbf{2019}&\textbf{2018}&\textbf{2017-1}&\textbf{2017-2}&\textbf{2016-1}&\textbf{2016-2}&\textbf{Minimum}&\textbf{Average}&\textbf{Maximum}
\\\hline\textbf{1 Mark Count} & 2 &4&2&2&2&3&2&2&1&1&1&2.1&4
\\\hline\textbf{2 Marks Count} & 4 &1&3&4&4&3&2&2&4&3&1&3&4
\\\hline\textbf{Total Marks} & 10 &6&8&10&10&9&6&6&9&7&\bf{6}&\bf{8.1}&\bf{10}\\\hline
\end{array}}}$$

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Most answered questions in Operating System

23 votes
5 answers
163
GATE CSE 2005 | Question: 21
What is the swap space in the disk used for? Saving temporary html pages Saving process data Storing the super-block Storing device drivers
What is the swap space in the disk used for?Saving temporary html pagesSaving process dataStoring the super-blockStoring device drivers
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20 votes
5 answers
165
GATE CSE 2009 | Question: 9, ISRO2016-52
In which one of the following page replacement policies, Belady's anomaly may occur? FIFO Optimal LRU MRU
In which one of the following page replacement policies, Belady's anomaly may occur?FIFOOptimalLRUMRU
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31 votes
5 answers
168
GATE CSE 2002 | Question: 1.22
Which of the following scheduling algorithms is non-preemptive? Round Robin First-In First-Out Multilevel Queue Scheduling Multilevel Queue Scheduling with Feedback
Which of the following scheduling algorithms is non-preemptive?Round RobinFirst-In First-OutMultilevel Queue SchedulingMultilevel Queue Scheduling with Feedback
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26 votes
5 answers
172
GATE CSE 1992 | Question: 02,x, ISRO2015-35
At a particular time of computation, the value of a counting semaphore is $7$. Then $20$ $P$ operations and $15$ $V$ operations were completed on this semaphore. The resulting value of the semaphore is : $42$ $2$ $7$ $12$
At a particular time of computation, the value of a counting semaphore is $7$. Then $20$ $P$ operations and $15$ $V$ operations were completed on this semaphore. The resu...
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12 votes
4 answers
173
GATE CSE 2023 | Question: 13
Which one or more of the following options guarantee that a computer system will transition from user mode to kernel mode? Function Call malloc Call Page Fault System Call
Which one or more of the following options guarantee that a computer system will transition from user mode to kernel mode?Function Callmalloc CallPage FaultSystem Call
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4 votes
4 answers
179
NIELIT 2016 MAR Scientist C - Section C: 7
In real-time operating systems, which of the following is the most suitable scheduling scheme? round-robin first-come-first-served preemptive random scheduling
In real-time operating systems, which of the following is the most suitable scheduling scheme?round-robinfirst-come-first-servedpreemptiverandom scheduling
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1 votes
4 answers
180
NIELIT 2017 DEC Scientific Assistant A - Section B: 7
If file size is large and if it is to be accessed randomly then which of the following allocation strategy should be best to use in a system? Linked allocation Indexed allocation Contiguous allocation None of the options
If file size is large and if it is to be accessed randomly then which of the following allocation strategy should be best to use in a system?Linked allocationIndexed allo...
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