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Operating System (OS)

Operating System (OS)
Which is not executable file?

.bat
.exe
.txt
.com

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Operating System (OS)
Which of the following file format supports in Windows 7?

EXT
NTFS
All of these
BSD

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Operating System (OS)
For how many processes which are sharing common data, the Dekker's algorithm implements mutual exclusion?

3
2
None of these
4
1

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Operating System (OS)
An operating system is a program or a group of programs that

Maintain the relationship in Database
Helps in checking the spelling of Word
Performs the calculations of cells in Excel
Manages the resources of the Computer

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Operating System (OS)
What problem is solved by Dijkstra's banker's algorithm?

deadlock avoidance
cache coherence
None of these
mutual exclusion
deadlock recovery

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Operating System (OS)
Part of a program where the shared memory is accessed and which should be executed invisibly is called

mutual exclusion
directory
critical section
None of these
semaphores

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