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Webpage for Operating System
Recent questions tagged operating-system
1
votes
2
answers
2611
memory management
vaishali jhalani
790
views
vaishali jhalani
asked
Oct 11, 2016
Operating System
operating-system
paging
+
–
1
votes
1
answer
2612
process scheduling
vaishali jhalani
644
views
vaishali jhalani
asked
Oct 11, 2016
Operating System
process-scheduling
operating-system
+
–
2
votes
1
answer
2613
System calls
when a user program calls a system call 1. Mode changes to system mode 2. Interrupts are enabled 3. System call number is used to find out code in system call interrupt vector area 4. All of the above
when a user program calls a system call1. Mode changes to system mode2. Interrupts are enabled3. System call number is used to find out code in system call interrupt vect...
vaishali jhalani
830
views
vaishali jhalani
asked
Oct 11, 2016
Operating System
operating-system
+
–
3
votes
1
answer
2614
process scheduling
vaishali jhalani
309
views
vaishali jhalani
asked
Oct 11, 2016
Operating System
process-scheduling
operating-system
+
–
1
votes
1
answer
2615
Doubt
If any Solution is having a deadlock then which property is not satisfied? a) ME, Progress b) progress, bound waitng, c) Bound Waiting, ME d) All e) None
If any Solution is having a deadlock then which property is not satisfied?a) ME, Progressb) progress, bound waitng,c) Bound Waiting, MEd) Alle) None
cse7
311
views
cse7
asked
Oct 10, 2016
Operating System
operating-system
+
–
1
votes
1
answer
2616
micro kernel
vaishali jhalani
451
views
vaishali jhalani
asked
Oct 10, 2016
Operating System
operating-system
+
–
0
votes
1
answer
2617
Fragmentation
vaishali jhalani
434
views
vaishali jhalani
asked
Oct 10, 2016
Operating System
operating-system
+
–
0
votes
1
answer
2618
Fragmentation
vaishali jhalani
312
views
vaishali jhalani
asked
Oct 10, 2016
Operating System
operating-system
+
–
0
votes
1
answer
2619
Internal fragmentation
vaishali jhalani
2.1k
views
vaishali jhalani
asked
Oct 10, 2016
Operating System
memory-management
operating-system
+
–
1
votes
1
answer
2620
page replacement
Which page will LRU replace?
Which page will LRU replace?
vaishali jhalani
664
views
vaishali jhalani
asked
Oct 9, 2016
Operating System
operating-system
page-replacement
+
–
2
votes
2
answers
2621
ACE test series(OS):
Consider a $64$bit processor. A process has a $64$ bit logical address space with two-level paging. The outer table is indexed using 32-bits and the inner table using $16$bits. What is the size of outer page table size ? a). $4GB$ b). $8GB$ c). $32MB$ d). $32GB$
Consider a $64$bit processor. A process has a $64$ bit logical address space with two-level paging. The outer table is indexed using 32-bits and the inner table using $16...
mcjoshi
2.5k
views
mcjoshi
asked
Oct 9, 2016
Operating System
test-series
operating-system
memory-management
bad-question
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–
0
votes
1
answer
2622
Tannenbaum
Is Tannenbaums Modern Operating system book good enough for gate preparation?
Is Tannenbaums Modern Operating system book good enough for gate preparation?
Ram Mishra
338
views
Ram Mishra
asked
Oct 9, 2016
Operating System
syllabus
operating-system
reference-book
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–
0
votes
2
answers
2623
Doubt
Please fill in the blanks:- 1. When the process is in NEW state then process is in ___________ memory(main or secondary). 1. When the process is in READY state then process is in ___________ memory(main or secondary). 1. When the process is in ... memory(main or secondary). 1. When the process is in COMPLETED/TERMINATION state then process is in ___________ memory(main or secondary).
Please fill in the blanks:-1. When the process is in NEW state then process is in ___________ memory(main or secondary).1. When the process is in READY state then process...
cse7
654
views
cse7
asked
Oct 8, 2016
Operating System
operating-system
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–
0
votes
1
answer
2624
process sychronization
What is spinlock? What are the advantages of having spinlock?
What is spinlock?What are the advantages of having spinlock?
vaishali jhalani
599
views
vaishali jhalani
asked
Oct 7, 2016
Operating System
operating-system
process-synchronization
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–
0
votes
0
answers
2625
process synchronisation
What is the difference between MUTEX and Binary Semaphores.
What is the difference between MUTEX and Binary Semaphores.
vaishali jhalani
586
views
vaishali jhalani
asked
Oct 7, 2016
Operating System
operating-system
process-synchronization
+
–
0
votes
0
answers
2626
Interrupts Mode Shifting
When compiler finds there is a System Call then what are the activitites taking place ? Activities involved in Mode shifting process from user to kernal mode and back.
When compiler finds there is a System Call then what are the activitites taking place ?Activities involved in Mode shifting process from user to kernal mode and back.
pC
412
views
pC
asked
Oct 7, 2016
Operating System
operating-system
interrupts
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–
3
votes
1
answer
2627
memory management
vaishali jhalani
1.1k
views
vaishali jhalani
asked
Oct 7, 2016
Operating System
operating-system
memory-management
test-series
paging
+
–
2
votes
1
answer
2628
memory management
vaishali jhalani
680
views
vaishali jhalani
asked
Oct 7, 2016
Operating System
operating-system
memory-management
test-series
+
–
1
votes
1
answer
2629
page replacement algorithm
vaishali jhalani
1.2k
views
vaishali jhalani
asked
Oct 7, 2016
Operating System
operating-system
page-replacement
+
–
1
votes
1
answer
2630
process management
vaishali jhalani
1.1k
views
vaishali jhalani
asked
Oct 6, 2016
Operating System
operating-system
test-series
+
–
1
votes
1
answer
2631
critical section
Which of the following condition satisfied? 1.mutual exclusion 2.deadlock 3.bounded waiting 4.progress
Which of the following condition satisfied?1.mutual exclusion2.deadlock3.bounded waiting4.progress
vaishali jhalani
1.6k
views
vaishali jhalani
asked
Oct 6, 2016
Operating System
operating-system
critical-section
test-series
+
–
11
votes
1
answer
2632
Difference between Dekkers and Peterson solutions to Critical Section Problem
Dekkers Algorithm flag[0]=true; while(flag[1]==true) { if(turn!=0) { flag[0]=false; while(turn!=0); flag[0]=true; } } // CS turn=1; flag[0]=false; Peterson Algorithm flag[0]=true; turn=1; ... [1]==true&&turn==1); // CS flag[0]=false Account on the Mutual Exclusion Bound Waiting Deadlock and Starvation Progress
Dekkers Algorithmflag[0]=true; while(flag ==true) { if(turn!=0) { flag[0]=false; while(turn!=0); flag[0]=true; } } // CS turn=1; flag[0]=false;Peterson Algorithm flag[0]=...
pC
12.0k
views
pC
asked
Oct 6, 2016
Operating System
operating-system
process-synchronization
critical-section
+
–
1
votes
2
answers
2633
ACE test series :
thor
364
views
thor
asked
Oct 6, 2016
Operating System
test-series
operating-system
+
–
2
votes
0
answers
2634
I/O BOUND PROCESS
vaishali jhalani
488
views
vaishali jhalani
asked
Oct 6, 2016
Operating System
process-scheduling
operating-system
+
–
1
votes
1
answer
2635
process management
vaishali jhalani
432
views
vaishali jhalani
asked
Oct 6, 2016
Operating System
operating-system
+
–
2
votes
2
answers
2636
process scheduling
vaishali jhalani
1.4k
views
vaishali jhalani
asked
Oct 6, 2016
Operating System
process-scheduling
operating-system
+
–
2
votes
2
answers
2637
critical section
vaishali jhalani
1.2k
views
vaishali jhalani
asked
Oct 5, 2016
Operating System
operating-system
process-synchronization
+
–
7
votes
1
answer
2638
Find throughput:
What is the throughput for a system having following gantt chart? Throughput = no. of processes/total schedule time
What is the throughput for a system having following gantt chart?Throughput = no. of processes/total schedule time
robertSingh
13.0k
views
robertSingh
asked
Oct 5, 2016
Operating System
operating-system
+
–
2
votes
2
answers
2639
MadeEasy Test Series: Operating System - File System
Which of the following statements are true? S1 : Using a larger block size in fixed block size file system leads to better disk throughput but poor disk space utilization. S2 : In index allocation of block to a file, the maximum possible size of file ... size of the address of blocks. a).Only S1 b).Only S2 c).Both S1 and S2 d).Neither S1 nor S2
Which of the following statements are true?S1 : Using a larger block size in fixed block size file system leads to better disk throughput but poor disk space utilization....
mcjoshi
2.1k
views
mcjoshi
asked
Oct 5, 2016
Operating System
made-easy-test-series
operating-system
file-system
+
–
2
votes
1
answer
2640
UGC NET CSE | August 2016 | Part 3 | Question: 53
Consider a file currently consisting of $50$ blocks. Assume that the file control block and the index block is already in memory. If a block is added at the end (and the block information to be added is stored in memory), then how many disk $I/O$ operations are required for indexed (single-level) allocation strategy ? $1$ $101$ $27$ $0$
Consider a file currently consisting of $50$ blocks. Assume that the file control block and the index block is already in memory. If a block is added at the end (and the ...
makhdoom ghaya
3.3k
views
makhdoom ghaya
asked
Oct 4, 2016
Operating System
ugcnetcse-aug2016-paper3
operating-system
file-system
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