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Recent questions tagged page-fault
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GO Classes Test Series 2024 | Mock GATE | Test 14 | Question: 55
Consider the cache of size 512 bytes that is direct-mapped? Suppose the size of integer is 4 bytes and block size is 16 bytes. Assume cache is initially empty and all data except for the array x are stored in registers, and that the ... ) { sum += x[i]; } What is the miss rate for the above loop? (roundoff to two decimal places)
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CO and Architecture
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GO Classes
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goclasses2024-mockgate-14
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0
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2
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2
Ace Test Series | Operating System | Demand paging
On a system using demand paging, it takes 200 ns to satisfy a memory request if the page is in memory. If the page is not in memory, the request takes 7 ms if a free frame is available or the page to be replaces is not ... of the time the page to be replaced has been modified? 600.19 micro seconds 590.19 micro seconds 790.19 micro seconds none
none30
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Operating System
Jul 1, 2023
by
none30
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operating-system
demand-paging
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page-fault
21
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4
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3
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
1
vote
1
answer
4
GATE CSE 2023 | Memory Based Question: 20
Which of the following option guarantee that a computer system transit from user mode to kernel mode malloc call system call function call page fault
GO Classes
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Operating System
Feb 5, 2023
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GO Classes
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memorybased-gatecse2023
goclasses
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multiple-selects
0
votes
1
answer
5
Operating System
When a page is referred for the first time, then it will be counted in page fault or not?. E.g page reference 1,2,3,4,2,1. LRU is used with 3 frames(initially empty).
Overflow04
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Operating System
Jan 7, 2023
by
Overflow04
653
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operating-system
self-doubt
page-fault
2
votes
1
answer
6
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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Operating System
Dec 15, 2022
by
admin
483
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drdocse-2022-paper2
operating-system
page-replacement
least-recently-used
page-fault
4-marks
descriptive
1
vote
1
answer
7
Applied Test Series
In a paged memory, the page hit ratio is 0.35. The page fault service time takes 100 ns. The time required to access a page in primary memory is 10 ns. The effective memory access time required to access a page is ____ ns
LRU
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Operating System
Oct 20, 2021
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LRU
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operating-system
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page-fault
2
votes
2
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8
NIELIT 2017 OCT Scientific Assistant A (IT) - Section C: 10
The address sequence generated by tracing a particular program executing in a pure demand paging system with $100$ records per page, with $1$ free main memory frame is recorded as follows. What is the number of Page Faults? $0100,0200,0430,0499,0510,0530,0560,0120,0220,0240,0260,0320,0370.$ $15,4$ $6,4$ $7,2$ $4,6$
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Operating System
Apr 1, 2020
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admin
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nielit2017oct-assistanta-it
operating-system
demand-paging
page-fault
0
votes
1
answer
9
NIELIT 2017 OCT Scientific Assistant A (CS) - Section B: 33
The address sequence generated by tracing a particular program executing in a pure demand paging system with $100$ records per page, with $1$ free main memory frame is recorded as follows. What is the number of Page Faults? $0100,0200,0430,0510,0530,0560,0120,0220,0240,0260,0320,0370.$ $15,4$ $6,4$ $7,2$ $4,6$
admin
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Operating System
Apr 1, 2020
by
admin
2.0k
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nielit2017oct-assistanta-cs
operating-system
demand-paging
page-fault
1
vote
1
answer
10
NIELIT 2017 DEC Scientific Assistant A - Section B: 58
Page fault frequency in an operating system is reduced when the : Process tend to be I/O bound Locality of reference is applicable to the process Size of pages is reduced Processes tend to be CPU bound
admin
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in
Operating System
Mar 31, 2020
by
admin
1.3k
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nielit2017dec-assistanta
operating-system
page-fault
0
votes
2
answers
11
NIELIT 2016 MAR Scientist B - Section C: 38
Determine the number of page faults when references to pages occur in the following order: $1,2,4,5,2,1,2,4$. Assume that the main memory can accommodate $3$ pages and the main memory already has the pages $1$ and $2$, with page $1$ having been brought earlier than page $2$.(LRU algorithm is used). $3$ $5$ $4$ None of these.
admin
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in
Operating System
Mar 31, 2020
by
admin
914
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nielit2016mar-scientistb
operating-system
page-replacement
page-fault
least-recently-used
0
votes
2
answers
12
NIELIT 2017 DEC Scientist B - Section B: 51
The total number of page faults for the reference string $1,2,3,4,5,6,7,8,9,10$ using FIFO page replacement policy for a process, if $3$ frames are allocated to it are $9$ $10$ $8$ $11$
admin
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Operating System
Mar 30, 2020
by
admin
1.9k
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nielit2017dec-scientistb
operating-system
page-replacement
page-fault
6
votes
4
answers
13
ISRO2020-30
Consider the following page reference string. $1\ 2\ 3\ 4\ 2\ 1\ 5\ 6\ 2\ 1\ 2\ 3\ 7\ 6\ 3\ 2\ 1\ 2\ 3\ 6\ $ What are the minimum number of frames required to get a single page fault for the above sequence assuming LRU replacement strategy? $7$ $4$ $6$ $5$
Satbir
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in
Operating System
Jan 13, 2020
by
Satbir
5.4k
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isro-2020
operating-system
memory-management
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