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Operating System (OS)

Operating System (OS)
What should be the extension to execute files?

COM
EXE
BAT
All of these

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Operating System (OS)
Multi programming systems ......

Are used only by large mainframe computer
Are easier to develop than single programming system
Execute each job faster
Execute more jobs in the same time period

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

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

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Operating System (OS)
The memory resident portion of operating system is called the

Kernel
Registry
CMOS
API

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

Help
Edit
All of above
File

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Operating System (OS)
Boot startup process

Prepare the computer ready
Loads system files to RAM
Checks the computer connections
Clean up the computer memory

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