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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

1 votes
7 answers
33
ISRO2018-61
The Operating System of a computer may periodically collect all the free memory space to form contiguous block of free space. This is called: Concatenation Garbage Collection Collision Dynamic Memory Allocation
The Operating System of a computer may periodically collect all the free memory space to form contiguous block of free space. This is called:ConcatenationGarbage Collecti...
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28 votes
7 answers
34
GATE CSE 2017 Set 2 | Question: 33
A system shares $9$ ... describes current state of the system? Safe, Deadlocked Safe, Not Deadlocked Not Safe, Deadlocked Not Safe, Not Deadlocked
A system shares $9$ tape drives. The current allocation and maximum requirement of tape drives for that processes are shown below:$$\begin{array}{ccc} \textbf{Process} &...
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48 votes
7 answers
36
GATE CSE 2017 Set 1 | Question: 18
Threads of a process share global variables but not heap heap but not global variables neither global variables nor heap both heap and global variables
Threads of a process shareglobal variables but not heapheap but not global variablesneither global variables nor heapboth heap and global variables
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1 votes
7 answers
37
Conceptual question: What is the difference between program and process?
Conceptual question: What is the difference between program and process? any simple ,clear answer plz..
Conceptual question:What is the difference between program and process?any simple ,clear answer plz..
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9 votes
7 answers
39
ISRO2016-47
A system has 3 processes sharing 4 resources. If each process needs a maximum of 2 units, then Deadlock can never occur Deadlock may occur Deadlock has to occur None of these
A system has 3 processes sharing 4 resources. If each process needs a maximum of 2 units, thenDeadlock can never occurDeadlock may occurDeadlock has to occurNone of these...
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3 votes
7 answers
40
ISRO2011-55
There are three processes in the ready queue. When the currently running process requests for I/O how many process switches take place? 1 2 3 4
There are three processes in the ready queue. When the currently running process requests for I/O how many process switches take place?1234
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55 votes
7 answers
43
GATE CSE 2003 | Question: 81
Suppose we want to synchronize two concurrent processes $P$ and $Q$ using binary semaphores $S$ and $T$. The code for the processes $P$ and $Q$ ... $1$ $V(S)$ at $W, V(T)$ at $X, P(S)$ at $Y, P(T)$ at $Z, S$ and $T$ initially $1$
Suppose we want to synchronize two concurrent processes $P$ and $Q$ using binary semaphores $S$ and $T$. The code for the processes $P$ and $Q$ is shown below.$$\begin{ar...
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5 votes
7 answers
46
ISRO2008-52
Dynamic address translation is part of the operating system paging algorithm is useless when swapping is used is the hardware necessary to implement paging storage pages at a specific location on disk
Dynamic address translationis part of the operating system paging algorithmis useless when swapping is usedis the hardware necessary to implement pagingstorage pages at a...
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