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What are the drawbacks of contiguous allocation of disk space?
The disadvantages are
a. Suffers from internal fragmentation
b. Suffers from external fragmentation
c. File cannot be extended
d. Difficulty in finding space for a new file
e. Size of the file is to be declared in advance
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Contiguous allocation: Every file will be allocated contiguous space in the memory. Allow the block size be 1K If a 50K files desires to be allocated space after t
Explain with an example the need of Shift Alteration in critical section problem? Consider processes P i and P j and consider the algorithm for P i and P j .
what is os
Define the DosExit Function used in the OS/2 DosExit(action, resultCode) DosExit function is to be called when a thread or process is finished executing. If EXIT_THREAD is
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What is indexed allocation? Every file has its own block of pointers to the sectors of the file.
Q. Several CPU-scheduling algorithms are parameterized for instance the RR algorithm requires a parameter to indicate the time slice. Multilevel response queues require parameters
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