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Operating System (OS)

Operating System (OS)
Which of the following shutdown method is often called Warm Boot?

Hibernate
Shut Down
Sleep
Restart

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Operating System (OS)
Operating system is

None of these
A collection of software routines
All of these
A collection of hardware components
A collection of input-output devices

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Operating System (OS)
The most common security failure is

None of these
insufficient technology used to prevent breaches
carelessness by users
depending on passwords
too much emphasis on preventing physical access

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Operating System (OS)
Which of the following appear in Windows menu bar?

File
All of above
Help
Edit

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

Windows
Linux
Unix
DOS

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Operating System (OS)
...... is used in operating system to separate mechanism from policy

Two level implementation
None
Single level implementation
Multi level implementation

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