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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

$$\scriptsize{\overset{{\large{\textbf{Mark Distribution in Previous GATE}}}}{\begin{array}{|c|c|c|c|c|c|c|c|}\hline
\textbf{Year}&\textbf{2024-1} & \textbf{2024-2} &\textbf{2023}&  \textbf{2022} & \textbf{2021-1}&\textbf{2021-2}&\textbf{Minimum}&\textbf{Average}&\textbf{Maximum}
\\\hline\textbf{1 Mark Count} &2&2&3& 2 &4&2&2&2.5&4
\\\hline\textbf{2 Marks Count} & 4&4&3&4 &1&3&1&3.16&4
\\\hline\textbf{Total Marks} & 10&10&9&10 &6&8&\bf{6}&\bf{8.83}&\bf{10}\\\hline
\end{array}}}$$

Recent questions in Operating System

#3341
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#3342
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A system uses fixed size partitioning memory allocation technique where 10 partitions are available and each partition size is 100 KB. The requests of the processes are ... (3)290(4)272I am not getting the answer from the options provided.
#3343
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1 answers
2 votes
#3344
749
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2 answers
1 votes
Consider a paging system with 48 bit virtual address space. Each address defers to a byte in memory. Suppose the size of page is 16 kB and the main memory size is ... ______ (in GB)Do we take page table entry size as 3Bytes or 22 bits only?
#3345
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Consider the following code:S1ParbeginBeginS2:S4End;BeginS3;ParbeginS5;BeginS6:S8EndParendEndS7ParendS9Find the precedence graph?
#3347
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1 answers
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#3348
673
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1 answers
3 votes
can some one provide me procedure to solve this que?
#3349
307
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What is the purpose of dual-mode operation$?$To enable the operating system to take control of the processorTo save powerTo protect the OS and hardware from corruptionTo distinguish an ordinary user from a super-user
#3350
681
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1 answers
0 votes
I don't think any of the options is right. What will be the answer?
#3351
948
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2 answers
0 votes
Calculate the Exponential averaging for the $\text{SJF}$ with $T_{1}=10,\alpha = 0.5$ and previous runs as $8,7,4,16$\text{(Give the answer correct to one decimal place).}$
#3352
1.5k
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1 answers
1 votes
Does semaphore solution fulfill the condition of bounded wait for more than 2 processesI know we can implement the waiting list in such a way that makes it satisfy bounded wait but what is the standard?
#3353
492
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0 answers
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Consider a program which needs to be run on a Round-Robin CPU scheduling algorithm. Size of program is 200 Kb it has been stated that hard disk has a transfer ... is already in memory not on hard disk shouldn't the answer should be 20ns?
#3354
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1 answers
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19 If a system has 16 kB memory and buddy system is used to allocate the memory for process duringruntime. Consider the following sequence: Process P1 of ... kB loadedHow much space is wasted due to internal fragmentation _______ (in kB).
#3355
632
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1 votes
what is the mode used when page tables of a process are loaded and modified?--KERNEL /USER?are page tables of the process also stored in process control block??
#3356
155
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Deadlock avoidance is less restrictive than deadlock prevention
#3357
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A single level directory stuctue based file system. The directory occupies 4 disk blocks . File system support maximum of 2k files and each file in directory uses ... with 16 bits then maximm possible file size in this file system is ___MB
#3358
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2 answers
3 votes
Consider a system with processes P0, P1,P2, . . . . P99, P100, each process requires maximum of 4 resources. System has allocated 2 resources ... minimum number of resources should release such that above system is deadlock free is _____
#3359
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#3360
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1 answers
1 votes