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Operating System (OS)

Operating System (OS)
The most common systems security method is

passwords
All of these
encryption
firewall
None of these

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Operating System (OS)
Indicate which, of the following, is not true about Nassi-Shneiderman charts

These charts are type of graphical design tool
All of these
These charts cannot represent CASE constructs
None of these
These charts can represent three fundamental control structures

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Operating System (OS)
Virtual memory typically located on

Flash card
RAM
Hard drive
CPU

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Operating System (OS)
Which of the key is used to close the active window?

Alt+F6
Alt+F4
Ctrl+F5
Ctrl+F4

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Operating System (OS)
Producer consumer problem can be solved using

monitors
None of these
event counters
All of these
semaphores

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Operating System (OS)
To display system boot menu which of the following key you must press ?

F5
F7
F8
F4

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MORE MCQ ON Operating System (OS)

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