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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

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

Previous GATE Questions in Operating System

48 votes
6 answers
124
The following two functions $P1$ and $P2$ that share a variable $B$ with an initial value of $2$ execute concurrently.$$\begin{array}{|l|l|}\hline \text{P1() \{ } & \tex...
49 votes
10 answers
126
38 votes
2 answers
127
A file system with a one-level directory structure is implemented on a disk with disk block size of $4K$ bytes. The disk is used as follows:$$\begin{array}{|l|}\hline \te...
21 votes
1 answer
134
The correct matching for the following pairs is$$\begin{array}{ll|ll} \text{(A)}&\text{Activation record} & \text{(1)} &\text{Linking loader} \\ \text{(B)} &\text{Locati...
23 votes
1 answer
136
26 votes
1 answer
137