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Recent questions tagged page-replacement
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MTECH CSE
What should be the order of priority list - NIT Warangal CSIS, NIT Surathkal CSIS ,IIIT Bangalore CSE (Main purpose is to grab a good placement)
Swapnilbera6
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NITs
Feb 28
by
Swapnilbera6
80
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gate-preparation
nit
page-replacement
0
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1
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Computer JE exam
consider the following page reference string: 1, 2, 3, 4, 1, 2,5, 1, 2,3,4,5 if program contains 4 page frames then what is difference between page faults obtained using FIFO and optimal page replacement algorithms option a . 10 option b . 6 option c . 4 option d . 3
Mukesh_Kumar
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Operating System
Dec 8, 2023
by
Mukesh_Kumar
282
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memory-management
page-replacement
21
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4
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GATE CSE 2023 | Question: 47
Consider the following two-dimensional array $\text{D}$ in the $\text{C}$ programming language, which is stored in row-major order: int D[128][128]; Demand paging is used for allocating memory and each physical page frame holds $512$ elements of the ... j++) D[j][i] *= 10; The number of page faults generated during the execution of this code snippet is _______________.
admin
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Operating System
Feb 15, 2023
by
admin
10.3k
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gatecse-2023
operating-system
page-replacement
least-recently-used
page-fault
numerical-answers
2-marks
2
votes
1
answer
4
DRDO CSE 2022 Paper 2 | Question: 6
Compute the hit rate and miss/fault rate in least recently used page replacement algorithm for the given reference string with $4$ page frames. String: $7 \; 0 \; 1 \; 2 \; 0 \; 3 \; 4 \; 2 \; 3 \; 0 \; 3 \; 2 \; 1 \; 2 \; 0 \; 1$
admin
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in
Operating System
Dec 15, 2022
by
admin
478
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drdocse-2022-paper2
operating-system
page-replacement
least-recently-used
page-fault
4-marks
descriptive
11
votes
3
answers
5
GATE CSE 2022 | Question: 54
Consider a demand paging system with four page frames (initially empty) and $\text{LRU}$ page replacement policy. For the following page reference string $7, 2, 7, 3, 2, 5, 3, 4, 6, 7, 7, 1, 5, 6, 1$ the page fault rate, defined as the ratio of number of page faults to the number of memory accesses $\textit{(rounded off to one decimal place)}$ is _____________.
Arjun
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in
Operating System
Feb 15, 2022
by
Arjun
7.7k
views
gatecse-2022
numerical-answers
operating-system
page-replacement
demand-paging
2-marks
61
votes
4
answers
6
GATE CSE 2021 Set 2 | Question: 48
Consider a three-level page table to translate a $39-$bit virtual address to a physical address as shown below: The page size is $\text{4 KB} \;(1\text{KB}=2^{10}$ bytes$)$ and page table entry size at every level is $8$ bytes. A ... $P$ across all levels is _________ $\text{KB}$.
Arjun
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in
Operating System
Feb 18, 2021
by
Arjun
28.0k
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gatecse-2021-set2
numerical-answers
operating-system
memory-management
page-replacement
2-marks
13
votes
3
answers
7
GATE CSE 2021 Set 1 | Question: 11
In the context of operating systems, which of the following statements is/are correct with respect to paging? Paging helps solve the issue of external fragmentation Page size has no impact on internal fragmentation Paging incurs memory overheads Multi-level paging is necessary to support pages of different sizes
Arjun
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in
Operating System
Feb 18, 2021
by
Arjun
12.6k
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gatecse-2021-set1
multiple-selects
operating-system
page-replacement
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