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Operating System (OS)

Operating System (OS)
Which one of the following is not a layer of operating system?

Shell
Kernel
Critical selection
Application program

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Operating System (OS)
To avoid the race condition, the number of processes that may be simultaneously inside their critical section is

16
None of these
8
1

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

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

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Operating System (OS)
Save operation means

Put data into monitor
Put data into secondary storage
Put data into processor
Put data into internal memory

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Operating System (OS)
Which table is a permanent database that has an entry for each terminal symbol.

Terminal table
Reductions
None of these
Identifier table
Literal table

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Operating System (OS)
The Banker's algorithm is used

To detect deadlock
To solve deadlock
To rectify deadlock
To prevent deadlock

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