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Operating System (OS)

Operating System (OS)
The shortcut key to open a task manager is:

Alt + Ctrl + Delete
Alt + F1
Alt + Tab
F1

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Operating System (OS)
What is the name given to the process of initializing a microcomputer with its operating system?

Boot recording
Warm booting
None of these
Cold booting
Booting

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Operating System (OS)
The SJF algorithm executes first the job

None of these
with the least processor needs
that has been in the queue the longest
that first entered the queue
that last entered the queue

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Operating System (OS)
Block caches or buffer caches are used

to improve disk performance
None of these
to speed up main memory read operation
to increase the capacity of the main memory
to handle interrupts

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Operating System (OS)
Which of the following is not a part of the control panel?

My documents
Add or remove program
Display
Date and time

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Operating System (OS)
Which one is true for unconditional disk formatting?

Do not check/scan surface after format
Destroys every byte of data on a disk by overwriting it with with blank spaces
All of above
Transfer system files after format

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