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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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2 votes
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4501
UGC NET CSE | December 2014 | Part 3 | Question: 73
Which of the following versions of Windows O.S. contain built-in partition manager which allows us to shrink and expand pre-defined drives ? Windows Vista Windows $2000$ Windows NT Windows $98$
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1 votes
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4505
scheduling_os
Consider the following table of arrival time, priority order and burst time. For the four processes P0, P1, P2 and P3 Using Preemptive priority scheduling Find the Geometric mean of completion times of a process P1 ,P2? 15 20.5 30.5 30
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4 votes
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4507
OS :
Assume memory access time is 10 μs and reading a page from disk takes 10 ms. If page fault occur in 0.5% of the memory references then what is the average memory access time (in μsec)?
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1 votes
2 answers
4511
Operating System
Which of the scheduling alogorithm gives the best throughput for n tasks having r1,r2,...,rn as running time? a) RR b) ShortestJob First c) FCFS d) Hiighest-Response Ration Next
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1 votes
1 answer
4512
Process Synchronisation
Does every strict alteration method dissatisfy Progress condition?
Does every strict alteration method dissatisfy Progress condition?
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1 votes
2 answers
4513
self_doubt
when we do double "signal(S)" operation on a Binary semaphore'S' provided initial value of S=0, will the value of 'S' be 2 or it remains 1?
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0 votes
1 answer
4516
cpu scheduling
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1 votes
2 answers
4518
#OS
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1 votes
1 answer
4519
page replacement
Which page will LRU replace?
Which page will LRU replace?
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0 votes
1 answer
4520
Self Doubt
What is the difference between Context Switch Vs Interrupts? - Answers w.r.t CO & OS & from system internals will be more helpful.
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