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Categories  >>  Software  >>  Operating Systems  >>  Operating Systems General Concepts
 
 


 

 
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Question
semaphore is
 Question Submitted By :: Guest
I also faced this Question!!     Rank Answer Posted By  
 
  Re: semaphore is
Answer
# 1
synchronization of multiple processes
 
Is This Answer Correct ?    0 Yes 0 No
Guest
 
  Re: semaphore is
Answer
# 2
variable used for synchronization of multiple processes
 
Is This Answer Correct ?    0 Yes 0 No
Arpit
 
 
 
  Re: semaphore is
Answer
# 3
"A semaphore restricts the number of simultaneous users of 
a shared resource up to a maximum number. Threads can 
request access to the resource (decrementing the 
semaphore), and can signal that they have finished using 
the resource (incrementing the semaphore)."
 
Is This Answer Correct ?    0 Yes 0 No
Vardhan
 

 
 
 
Other Operating Systems General Concepts Interview Questions
 
  Question Asked @ Answers
 
What is page cannibalizing?  1
What is busy waiting?  1
What is the Translation Lookaside Buffer (TLB)?  1
main() { charstr1="prakash"; charstr2="raju"; Str1=str2; printf("\n%d",str1); } IBM2
What is cache memory?  2
In the context of memory management, what are placement and replacement algorithms?  1
What is the difference between hard and soft real-time systems?  1
what is Demand Paging?  1
If there are too many page faults what is the problem? Verifone2
Critical section is? Wipro2
What is Difference between thread and process? HP3
To ensure one pgm. doesnt corrupt other pgm. in a Multi-pgm. enviornment .what you should do? Verifone1
Differentiate between RAM and ROM? IBM4
When is a system in safe state?  1
Define latency, transfer and seek time with respect to disk I/O.  1
What does microprocessor speed depend on?  1
process means? BFL1
for an application which exceeds 64k the memory model should be a)medium b)huge c)large d)none  1
Difference between static and dynamic RAM?  4
What is the best suited algorithm to avoid internal fragmentation? HP1
 
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