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Operating System (OS)

Operating System (OS)
The operating system creates ___ from the physical computer

Virtual computers
Virtual space
Virtual device
None of the listed here

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

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

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Operating System (OS)
For how many processes which are sharing common data, the Dekker's algorithm implements mutual exclusion?

3
1
4
None of these
2

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Operating System (OS)
Which of the following is helpful in evaluating applications software what will best suit your needs?

objective software reviews
recommendations by other users
computer magazines
All of these
None of these

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Operating System (OS)
The ___ displays the name of every computer user on the computer

Welcome screen
None of the listed here
Command screen
Wish list screen

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Operating System (OS)
Which is not external command ?

Find
Doskey
Print
Verify

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