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Recent questions tagged operating-system
32
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3391
GATE CSE 2008 | Question: 20
The data blocks of a very large file in the Unix file system are allocated using continuous allocation linked allocation indexed allocation an extension of indexed allocation
Kathleen
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in
Operating System
Sep 11, 2014
by
Kathleen
15.1k
views
gatecse-2008
file-system
operating-system
normal
106
votes
7
answers
3392
GATE CSE 2013 | Question: 52
A computer uses $46\text{-bit}$ virtual address, $32\text{-bit}$ physical address, and a three-level paged page table organization. The page table base register stores the base address of the first-level table $\text{(T1)}$ ... is $64$ bytes. What is the size of a page in $\textsf{KB}$ in this computer? $2$ $4$ $8$ $16$
kanikool
asked
in
Operating System
Sep 10, 2014
by
kanikool
37.4k
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gatecse-2013
operating-system
virtual-memory
normal
4
votes
1
answer
3393
Consider two processors P1 and P2 executing the same instruction set.
Consider two processors P1 and P2 executing the same instruction set. Assume that under identical conditions, for the same input, a program running on P2 takes 25% less time but incurs 20% more CPI (clock cycles per instruction) ... of P1 is 1GHz, then the clock frequency of P2 (in GHz) is _________. please do explain also
kanikool
asked
in
Operating System
Sep 9, 2014
by
kanikool
5.1k
views
operating-system
normal
0
votes
2
answers
3394
Page replacement
A memory page containing a heavily used variable that was initialized very early and is in constant use is removed when (a) LRU page replacement algorithm is used (b) FIFO page replacement algorithm is used (c) LFU page replacement algorithm is used (d) None of the above
Keith Kr
asked
in
Operating System
Sep 4, 2014
by
Keith Kr
1.3k
views
page-replacement
easy
operating-system
34
votes
4
answers
3395
GATE CSE 2012 | Question: 8
A process executes the code fork(); fork(); fork(); The total number of child processes created is $3$ $4$ $7$ $8$
gatecse
asked
in
Operating System
Aug 5, 2014
by
gatecse
12.8k
views
gatecse-2012
operating-system
easy
fork-system-call
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