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Most viewed questions under tag os

+4 votes
1 answer
Difference between Hard and Soft real-time systems?
posted Nov 18, 2013 by anonymous
  • os
  • rtos
+2 votes
1 answer
Difference between embedded system and computer system ?
posted Oct 17, 2013 by Vikram Singh
  • os
  • hardware
+2 votes
2 answers
What is Batch processing and what are its advantages and disadvantages?
posted Jul 13, 2015 by anonymous
  • operating system
  • os
+2 votes
4 answers
What is the difference between Linux and UNIX operating systems?
posted Jan 22, 2014 by anonymous
  • linux
  • unix
  • os
+4 votes
1 answer
Explain programmed I/O and interrupt I/O. How they differ
posted Apr 22, 2015 by Vrije Mani Upadhyay
  • os
+4 votes
2 answers
Difference between synchronous and asynchronous interrupt ?
posted Sep 29, 2013 by Neeraj Mishra
  • os
  • interrupt
+4 votes
3 answers
what is the difference between mutex and binary semaphore ?
posted Sep 8, 2013 by Sony Mohanty
  • os
+3 votes
1 answer
OS: Difference between pipe and fifo ?
posted Nov 15, 2013 by Ganesh Kumar
  • os
  • c programming
  • c
+1 vote
1 answer
What is the meaning of dispatch latency in context of operating system?
posted May 31, 2014 by Amit Kumar Pandey
  • os
  • operating system
0 votes
2 answers
What are the advantages and disadvantages of multiprogramming?
posted Jun 6, 2016 by Mike Kipngetich Bore
  • operating system
  • os
+1 vote
1 answer
OS: what is difference between system call and api?
posted Jun 22, 2014 by Amit Kumar Pandey
  • os
  • systemcall
  • api
+2 votes
2 answers
Which is the fastest IPC mechanism and why ?
posted Sep 9, 2013 by Vikram Singh
  • os
+4 votes
1 answer
What is the difference between kernel level thread and user level thread?
posted Jul 18, 2015 by anonymous
  • threads
  • process
  • operating system
  • os
0 votes
1 answer
What are the disadvantages of context switching ?
posted Dec 28, 2014 by Vikram Singh
  • operating system
  • os
+1 vote
2 answers
How to recover deleted files using python?
posted Dec 26, 2013 by Jagan Mishra
  • python
  • os
+2 votes
1 answer
OS: What does mean of "rendezvous" condition in the context of operating system ?
posted Jun 28, 2014 by Harshita
  • os
  • operating system
+1 vote
0 answers
What is the difference bewteen Single partition allocation and Multiple partition allocation?
posted Jul 23, 2015 by anonymous
  • os
  • operating system
  • memory management
+1 vote
1 answer
what is the difference between multicore and multiprocessor ?
posted Nov 11, 2015 by Michael N Hiwanapo
  • os
+3 votes
2 answers
What is the difference between Bootloader and Boot Manager?
posted Feb 16, 2016 by anonymous
  • linux
  • windows
  • os
  • boot
+4 votes
1 answer
Can we use socket instead of message queue?
posted Oct 29, 2013 by Vikas Upadhyay
  • os
  • vxworks
  • linux
+1 vote
1 answer
What all core difference between direct and Indirect Inter-Process Communication?
posted Dec 29, 2015 by Kali Mishra
  • os
  • processors
0 votes
1 answer
OS: What is Belady's Anomaly ?
posted Jun 28, 2014 by Harshita
  • os
  • operating system
0 votes
1 answer
OS: What's difference between hardware interrupt and software interrupt ?
posted Jun 1, 2014 by Ganesh Kumar
  • os
  • linux
  • unix
  • operating system
+4 votes
1 answer
Difference between unitasking and multitasking ?
posted Dec 10, 2013 by Diya Sharma
  • os
  • rtos
  • vxworks
  • linux
+3 votes
1 answer
What is the need of three scheduler i.e Long Term, Short Term and Medium Term Scheduler in an OS?
posted Jul 14, 2015 by anonymous
  • operating system
  • os
+1 vote
2 answers
What is compaction in context of operating system?
posted May 31, 2014 by Amit Kumar Pandey
  • os
  • operating system
+1 vote
0 answers
OS: Differences between compile time, load time and execution time bindings ?
posted Jun 1, 2014 by Vikram Singh
  • operating system
  • os
+4 votes
2 answers
What is the difference between elf and a.out ?
posted Nov 8, 2013 by Anuj Yadav
  • os
  • c
  • linux
–1 vote
1 answer
What resources are used when a thread created? How do they differ from those when a process is created?
posted Sep 9, 2013 by Vinay Shukla
  • os
+8 votes
1 answer
What is cycle stealing and how it improve the system performance?
posted Nov 21, 2013 by anonymous
  • os
+1 vote
1 answer
What is placement and replacement algorithms?
posted May 31, 2014 by Amit Kumar Pandey
  • os
+2 votes
0 answers
What are the advantages and disadvantages of an inverted page table as compared to a normal page table?
posted May 26, 2016 by anonymous
  • operating system
  • os
0 votes
1 answer
What is the latency, transfer and seek time with respect to disk I/O?
posted Mar 31, 2016 by Jayshree
  • operating system
  • os
+1 vote
1 answer
What are the different functions of Syntax phase, Scheduler?
posted Sep 7, 2015 by Mohammed Hussain
  • operating system
  • os
0 votes
2 answers
What is thrashing in context of operating system?
posted Dec 8, 2015 by anonymous
  • os
  • operating system
+1 vote
0 answers
What is the difference among Contiguous File Allocation, Linked File Allocation and Indexed File Allocation method?
posted Jul 27, 2015 by anonymous
  • operating system
  • os
  • file system
+5 votes
3 answers
.What is diference between monolithic kernel and micro kernel ?
posted Dec 10, 2013 by Mona Sharma
  • linux
  • vxworks
  • os
  • rtos
+3 votes
2 answers
What is DMA i.e. direct memory access, please describe in detail?
posted Aug 1, 2015 by anonymous
  • operating system
  • os
+2 votes
1 answer
OS: How RPC works ? Can someone please provide real life example ?
posted Oct 17, 2013 by Vikram Singh
  • os
+3 votes
1 answer
What is the advantage of having virtual address space concept in OS ?
posted Sep 29, 2013 by Vimal Kumar Mishra
  • os
+2 votes
1 answer
What is the difference between dynamic and static linking?
posted Jul 21, 2015 by anonymous
  • operating system
  • os
+1 vote
1 answer
Explain about paged segmentation and segment paging?
posted Sep 7, 2015 by Mohammed Hussain
  • operating system
  • os
+5 votes
1 answer
What is difference between VxWorks and GPOS ?
posted Dec 10, 2013 by Vikas Upadhyay
  • vxworks
  • os
  • rtos
+3 votes
2 answers
Can we change the inode table entries for a file in unix system ? If yes then how ?
posted Sep 30, 2013 by Vikram Singh
  • os
  • linux
  • file system
+1 vote
2 answers
How RTOS differ from other general operating systems.
posted Sep 1, 2013 by Vimal Kumar Mishra
  • os
  • rtos
+5 votes
2 answers
What is the use of structure padding in C?
posted Nov 24, 2013 by sivanraj
  • data structures
  • c
  • c programming
  • os
+1 vote
1 answer
Which is the best page replacement algorithm and Why? How much time is spent usually in each phases and why?
posted May 12, 2016 by Hasan Raza
  • operating system
  • os
  • interview questions
+3 votes
2 answers
What is a Thread and how it is different from Process?
posted Jul 18, 2015 by anonymous
  • operating system
  • os
  • threads
  • process
+2 votes
2 answers
What is priority inversion and What are the various methods to overcome it?
posted May 13, 2014 by Varun Kumar
  • os
+2 votes
1 answer
Which data structure is used to store a file into memory and why?
posted Nov 1, 2013 by Meenal Mishra
  • data structures
  • os
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