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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 viewed questions in Operating System

69 votes
6 answers
82
GATE CSE 2015 Set 3 | Question: 10
Two processes $X$ and $Y$ ... proposed solution guarantees mutual exclusion and prevents deadlock The proposed solution fails to prevent deadlock and fails to guarantee mutual exclusion
Two processes $X$ and $Y$ need to access a critical section. Consider the following synchronization construct used by both the processes$$\begin{array}{|l|l|}\hline \text...
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88
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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34 votes
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89
GATE CSE 1994 | Question: 28
Consider the resource allocation graph in the figure. Find if the system is in a deadlock state Otherwise, find a safe sequence
Consider the resource allocation graph in the figure.Find if the system is in a deadlock stateOtherwise, find a safe sequence
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5 votes
2 answers
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UGC NET CSE | June 2016 | Part 2 | Question: 38
If the Disk head is located initially at track 32, find the number of disk moves required with FCFS scheduling criteria if the disk queue of I/O blocks requests are 98, 37, 14, 124, 65, 67 320 322 321 319
If the Disk head is located initially at track 32, find the number of disk moves required with FCFS scheduling criteria if the disk queue of I/O blocks requests are 98, 3...
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54 votes
8 answers
91
GATE IT 2007 | Question: 11
Let a memory have four free blocks of sizes $4k$, $8k$, $20k$, $2k$ ... $J7$ will be completed will be $16$ $19$ $20$ $37$
Let a memory have four free blocks of sizes $4k$, $8k$, $20k$, $2k$. These blocks are allocated following the best-fit strategy. The allocation requests are stored in a q...
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47 votes
6 answers
94
GATE CSE 2012 | Question: 31
Consider the $3$ processes, $P1, P2$ and $P3$ ... $P1, P3, P2$ FCFS: $P1, P2, P3$ RR2: $P1, P3, P2$ FCFS: $P1, P3, P2$ RR2: $P1, P2, P3$
Consider the $3$ processes, $P1, P2$ and $P3$ shown in the table. $$\small \begin{array}{|c|c|c|} \hline \textbf{Process} & \textbf{Arrival Time} & \textbf{Time Units Req...
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