overview of os, Operating System

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Define request edge and assignment edge. Answer:  A directed edge from process Pi to resource type R j is denoted by Pi->j; it signifies that process Pi requested an instance

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There are three kinds of Data Abstraction: Physical level: The minimum level of abstraction defines how data are saved. Logical level: The next bigger level of a

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Resolution of externally defined symbols is carried out by    Resolution of externally defined symbols is carried out by Linker

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Q. Researchers have recommended that instead of having an access list associated with each file (specifying which users can access the file and how) we should have a user control

What is the translation look aside buffer (tlb), Translation Look aside Buf...

Translation Look aside Buffer In a cached system, the base addresses of the last few indexed pages is maintained in registers named the TLB that adds in faster lookup. TLB has

System call, how the system call is work?

how the system call is work?

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