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Operating System (OS)

Operating System (OS)
Recently deleted files are stored in

Desktop
Taskbar
Recycle bin
My computer

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Operating System (OS)
UNIX operating system is a(n)

Time sharing operating system
All of the listed here
Multi tasking operating system
Multi user operating system

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Operating System (OS)
To display a shortcut menu for an object you use

Touch the object on the screen with your finger
Right click the object
Click the object
Point the object and press Ctrl+P

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Operating System (OS)
Which of the following is suitable after you install new drivers?

Sleep
Shut Down
Hibernate
Restart

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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

critical section
semaphores
mutual exclusion
directory
None of these

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Operating System (OS)
A relationship between processes such that each has some part (critical section) which must not be executed while the critical section of another is being executed, is known as

multiprogramming
semaphore
None of these
multitasking
mutual exclusion

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