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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

#3241
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In the Contiguous allocation for disk blocks, files cannot grow dynamically because _______The next block could be occupied by another fileThe scheme does not allow files to ... spaceI think both 1 and 2 are correct . What do you say ?
#3242
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snHere answer should be 4 and 3 right how 1 and 4??
#3243
500
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1 answers
2 votes
i m calculating again n again but getting same ans.. what m i missing here pls varify once...
#3244
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0 votes
#3245
202
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#3246
373
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1 answers
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#3247
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1 answers
4 votes
Consider the following code used by the classical readers and writers.Note: rc = rc+1; will execute in 3 instructions like load, increment and then store.Which ... .I think it should be a but answet is d can somebody provide the simulation
#3248
326
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1 answers
0 votes
In Priority scheduling algorithm, higher value of priority gets higher priority or lower value of priority gets higher priority? Means, Priorities: 1,2,3 for Processes-A,B,C Now, execution order will be A-B-C or C-B-A
#3249
377
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1 answers
1 votes
In a system, there are 2 process and Round robin policy is employed. After some time one process gets completed, but another process is remaining with 6 unit burst ... process?(Ignore previous and last context switch.)A. 0B. 2C. 3D. 4
#3250
8.9k
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6 answers
1 votes
A memory management system has 64 pages with 512 bytes page size. Physical memory consists of 32 page frames. Number of bits required in logical and physical address are respectively:14 and 1514 and 2915 and 1416 and 32
#3252
239
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#3253
4.9k
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1 answers
2 votes
Consider a system using segmented paging architecture, the segment is divided into 32K pages and each page is having 8K entries. The segment table is divided into ... :The Page table size of segment.The Page table size of segment table.
#3254
1.5k
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1 answers
3 votes
Consider a computer system with single level paging architecture having logical address of 'd'-bit. The memory is byte addressable. If the page table ... size P by minimizing the page table overhead and internal fragmentation in paging?
#3255
602
views
1 answers
1 votes
Assume that amount of memory on a system is inversely proportional to the page fault rate. Each time page fault rate doubles, when memory is reduced by half. ... is decreased to 32 MB then what will be the overall effective access time?
#3256
2.0k
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1 answers
6 votes
Consider a system using segmented paging architecture where both logical address space and physical address space is 64 MB. The logical address space is divided into 8 ... so that the page table of segment exactly fits in one page frame?
#3257
1.1k
views
3 answers
2 votes
Consider a computer system that implements physical address of 26-bits and page size of 16 KB. The processor contains TLB which can hold 128 page table ... translation, then the minimum TLB tag bits supported by the system is _________.
#3258
467
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0 answers
0 votes
Somebody please explain in easy and understandable language what is this Chandy Lamport's global State Algorithm. What is Global state i am not even able to ... .And what is this Lamport global clock somebody please explain in easy words?