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Operating System (OS)

Operating System (OS)
Page-map table is

None of these
A directory
All of these
Used for address translation
A data file

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Operating System (OS)
Four necessary conditions for deadlock to exist are: mutual exclusion, no-preemption, circular wait and

hold and wait
deadlock avoidance
buffer overflow
race around condition
None of these

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Operating System (OS)
Which of the following is not essential to shut down your computer?

Switch off monitor
Close all running applications
Save all opened files
Cut off the power supply

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Operating System (OS)
System files allocated at

Directory
FAT area
Data area
Boot area

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

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

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Operating System (OS)
The Basic Input output system (BIOS) resides in

Memory cache
RAM
ROM
The CPU

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