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Operating System (OS)

Operating System (OS)
Which one of the following key is used to refresh the active window?

F9
F8
F7
F5

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Operating System (OS)
To install the new font in window XP

Start -> setting -> control panel -> font
Start -> setting -> font
Start -> setting -> control panel -> font -> install new font
Start -> control panel -> font -> install new font

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Operating System (OS)
The function(s) performed by the paging software is (are)

None of these
Management of the physical address space
Sharing and protection
All of these
Implementation of the access environment for all programs in the system

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Operating System (OS)
The most common security failure is

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

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Operating System (OS)
The windows feature is the ability of computer to automatically configure a new hardware component is that

Auto detect
None of above
Add remove hardware
Plug and play

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Operating System (OS)
Which is the layer of a computer system between the hardware and the user program

None
Operating environment
System environment
Operating system

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