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Most voted questions under tag os

+2 votes
1 answer
How I/O controller works for an Operating System?
posted Oct 14, 2013 by Ganesh Kumar
  • linux
  • os
+2 votes
0 answers
What is the major difference between Normal OS and RTOS?
posted Oct 3, 2013 by Giri Prasad
  • os
  • rtos
+2 votes
1 answer
How function pointers are shared across different processes?
posted Sep 29, 2013 by Ganesh Kumar
  • os
+2 votes
1 answer
What is thread pool ?
posted Sep 12, 2013 by Vikram Singh
  • os
+2 votes
1 answer
What is file descriptor table for a process and how it is works ?
posted Sep 10, 2013 by Vikram Singh
  • os
+2 votes
2 answers
Which is the fastest IPC mechanism and why ?
posted Sep 9, 2013 by Vikram Singh
  • os
+2 votes
1 answer
what is reentrancy in the context of operting system ?
posted Sep 5, 2013 by Ganesh Kumar
  • os
+1 vote
1 answer
OS: What is priority Inversion and priority inheritance ?
posted Sep 22, 2016 by Vikram Singh
  • os
  • interview questions
  • operating system
+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
+1 vote
1 answer
What are the functionality performed by the OS after executable file is created of your code.
posted May 5, 2016 by anonymous
  • os
  • operating system
  • interview questions
+1 vote
1 answer
What is starvation in context of multi-threading?
posted Apr 18, 2016 by anonymous
  • operating system
  • os
  • multithreading
  • interview questions
+1 vote
1 answer
OS: How does file descriptor duping works in linux operating system ?
posted Apr 11, 2016 by Vikram Singh
  • operating system
  • os
  • interview questions
+1 vote
2 answers
HA: What five nines signify in the context of high availability ?
posted Feb 28, 2016 by Alok
  • ha
  • os
+1 vote
1 answer
What all core difference between direct and Indirect Inter-Process Communication?
posted Dec 29, 2015 by Kali Mishra
  • os
  • processors
+1 vote
1 answer
what is the difference between multicore and multiprocessor ?
posted Nov 11, 2015 by Michael N Hiwanapo
  • os
+1 vote
0 answers
Is it possible to Share 1 core for VM and Base Os?
posted Nov 4, 2015 by anonymous
  • linux
  • os
  • windows
  • vmware
+1 vote
1 answer
Can a system have more than 1 CPU?
posted Oct 21, 2015 by anonymous
  • os
+1 vote
1 answer
What are the different functions of Syntax phase, Scheduler?
posted Sep 7, 2015 by Mohammed Hussain
  • operating system
  • os
+1 vote
1 answer
Explain about paged segmentation and segment paging?
posted Sep 7, 2015 by Mohammed Hussain
  • operating system
  • os
+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
+1 vote
1 answer
What is virtual memory and why it its required in an OS?
posted Jul 25, 2015 by anonymous
  • os
  • operating system
  • memory management
  • virtual memory
+1 vote
0 answers
What is the use of Page Replacement Algorithm, please explain each one with example?
posted Jul 24, 2015 by anonymous
  • operating system
  • os
  • scheduling
+1 vote
0 answers
What is fragmentation in context of memory and how it can be avoided?
posted Jul 23, 2015 by anonymous
  • os
  • memory management
+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 a Network operating System and how it is different with popular OS like Linux/Windows etc...
posted Jul 13, 2015 by anonymous
  • operating system
  • os
+1 vote
1 answer
How different is Cyanogen OS from Android OS?
posted Dec 21, 2014 by Amit Kumar Pandey
  • os
  • android
+1 vote
1 answer
How can we define the virtual memory for Windows 7 OS?
posted Dec 7, 2014 by Amit Kumar Pandey
  • os
  • operating system
  • windowsphone
+1 vote
1 answer
What does mean of Data Execution Prevention in context OS?
posted Dec 7, 2014 by Amit Kumar Pandey
  • os
  • operating system
+1 vote
1 answer
What is thrashing ?
posted Dec 7, 2014 by Ganesh
  • os
  • operating system
+1 vote
1 answer
OS: What is the meaning of mutex ?
posted Nov 27, 2014 by Neeraj Mishra
  • os
  • operating system
+1 vote
1 answer
What is the concept of paging in context of Operating System?
posted Sep 16, 2014 by Varnita Chaudhari
  • os
+1 vote
0 answers
What does Semantics in Context of OS?
posted Aug 28, 2014 by Amit Kumar Pandey
  • os
  • operating system
  • threadsafe
+1 vote
0 answers
What is the resident set and working set of a process?
posted Aug 28, 2014 by Neelam
  • os
+1 vote
0 answers
Difference between coarse-grained locking and fine-grained locking ?
posted Aug 27, 2014 by Neelam
  • os
+1 vote
1 answer
OS: Can someone please explain priority inversion through an example ?
posted Jun 24, 2014 by Neelam
  • os
+1 vote
1 answer
How sbrk and mmap system calls are functionally different ?
posted Jun 22, 2014 by Ganesh
  • os
  • linux
  • systemcall
+1 vote
1 answer
OS: what is difference between system call and api?
posted Jun 22, 2014 by Amit Kumar Pandey
  • os
  • systemcall
  • api
+1 vote
1 answer
What is the difference between Thread safety vs Re entrancy
posted Jun 21, 2014 by Amit Kumar Pandey
  • os
  • reentrant
  • threadsafe
+1 vote
0 answers
OS: What type of code can be called re-entrant code?
posted Jun 21, 2014 by Amit Kumar Pandey
  • os
  • reentrant
+1 vote
0 answers
OS: How does conditional variable achieve synchronization ?
posted Jun 21, 2014 by Neelam
  • os
  • linux
+1 vote
0 answers
Media Server: Can Someone lease explain the Architecture of the Digital Signal Processor (DSP)
posted Jun 15, 2014 by anonymous
  • media server
  • os
+1 vote
1 answer
How client and server computers update their DNS names?
posted Jun 10, 2014 by Upma
  • networking
  • os
  • dns
+1 vote
1 answer
Unix: why does different types of shells present in Unix ?
posted Jun 7, 2014 by Ganesh
  • unix
  • os
+1 vote
1 answer
OS: Difference between segmentation and paging ?
posted Jun 3, 2014 by Vikram Singh
  • 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
+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
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
+1 vote
1 answer
What is placement and replacement algorithms?
posted May 31, 2014 by Amit Kumar Pandey
  • os
+1 vote
1 answer
What is monitors ? How are they different from semaphores?
posted May 31, 2014 by Amit Kumar Pandey
  • os
+1 vote
0 answers
OS : How does signal handler work ?
posted May 31, 2014 by Ganesh Kumar
  • os
  • linux
  • signal
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