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Operating System (OS)

Operating System (OS)
Which of the following is not a system tool ?

Scandisk
Disk defragment
Doskey
Drive space

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Operating System (OS)
Taskbar is used for

All of the listed here
Switching between program
Start a program
Navigation program

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Operating System (OS)
Which of the following is not an advantage of multiprogramming?

decreased operating-system overhead
ability to assign priorities to jobs
None of these
shorter response time
increased throughput

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Operating System (OS)
The primary purpose of an operating system is to:

keep system programmers employed
allow people to sue the computers
make the most efficient use of the hardware
None of these
make computer easier to use

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Operating System (OS)
___ are list of commands that appear on the screen

Icons
GUIS
Menus
Windows

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

Help
All of above
File
Edit

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