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4 votes
2 answers
2941
ISRO-2013-59
A starvation free job scheduling policy guarantees that no job indefinitely waits for a service. Which of the following job scheduling policies is starvation free? Priority queing Shortest job first Youngest job first Round robin
A starvation free job scheduling policy guarantees that no job indefinitely waits for a service. Which of the following job scheduling policies is starvation free?Priorit...
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6 votes
4 answers
2943
ISRO-2013-57
Which of the following is not a necessary condition for deadlock? Mutual exclusion Reentrancy Hold and wait No pre-emption
Which of the following is not a necessary condition for deadlock?Mutual exclusionReentrancyHold and waitNo pre-emption
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6 votes
2 answers
2944
ISRO-2013-56
In a $64$- bit machine, with $2$ GB RAM, and $8$ KB page size, how many entries will be there in the page table if its is inverted? $2^{18}$ $2^{20}$ $2^{33}$ $2^{51}$
In a $64$- bit machine, with $2$ GB RAM, and $8$ KB page size, how many entries will be there in the page table if its is inverted?$2^{18}$$2^{20}$$2^{33}$$2^{51}$
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5 votes
2 answers
2945
ISRO2013-55
Consider a logical address space of $8$ pages of $1024$ words each, mapped onto a physical memory of $32$ frames. How many bits are there in the physical address and logical address respectively? $5, 3$ $10, 10$ $15, 13$ $15, 15$
Consider a logical address space of $8$ pages of $1024$ words each, mapped onto a physical memory of $32$ frames. How many bits are there in the physical address and logi...
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4 votes
6 answers
2946
ISRO-2013-54
Which of the following are the likely causes of thrashing? Page size was very small. There are too many users connected to the system. Least recently used policy is used for page replacement. First in First out policy is used for page replacement.
Which of the following are the likely causes of thrashing?Page size was very small.There are too many users connected to the system.Least recently used policy is used for...
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3 votes
4 answers
2947
ISRO-2013-52
Suppose we have variable logical records of lengths of $5$ bytes, $10$ bytes and $25$ bytes while the physical block size in disk is $15$ bytes. What is the maximum and minimum fragmentation seen in bytes? $25$ and $5$ $15$ and $5$ $15$ and $0$ $10$ and $5$
Suppose we have variable logical records of lengths of $5$ bytes, $10$ bytes and $25$ bytes while the physical block size in disk is $15$ bytes. What is the maximum and m...
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5 votes
2 answers
2948
total address space
For a computer address,if we reduce the no of bits by 2 and if we double the addressability then total address space will be 1) Doubled 2) halved 3) Remain Same 4) None What is meant by Addressablity???
For a computer address,if we reduce the no of bits by 2 and if we double the addressability then total address space will be1) Doubled 2) halved 3) Remain Same 4) NoneWh...
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55 votes
7 answers
2952
GATE CSE 2003 | Question: 81
Suppose we want to synchronize two concurrent processes $P$ and $Q$ using binary semaphores $S$ and $T$. The code for the processes $P$ and $Q$ ... $1$ $V(S)$ at $W, V(T)$ at $X, P(S)$ at $Y, P(T)$ at $Z, S$ and $T$ initially $1$
Suppose we want to synchronize two concurrent processes $P$ and $Q$ using binary semaphores $S$ and $T$. The code for the processes $P$ and $Q$ is shown below.$$\begin{ar...
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16 votes
4 answers
2954
GATE CSE 2007 | Question: 83
A process, has been allocated $3$ ... above reference string, how many more page faults occur with LRU than with the optimal page replacement policy? $0$ $1$ $2$ $3$
A process, has been allocated $3$ page frames. Assume that none of the pages of the process are available in the memory initially. The process makes the following sequenc...
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0 votes
0 answers
2958
process schdeuling
The IO wait percentage w of a process is the percentage of time the process wait for an IO to completion when executed in a monoprogramming enviorment . on a system using round robin with n process ,all having same IO . what percentage of time cpu will be idle in term of (w) ?
The IO wait percentage w of a process is the percentage of time the process wait for an IO to completion when executed in a monoprogramming enviorment . on a system using...
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