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Operating System (OS)

Operating System (OS)
The initial value of the semaphore that allows only one of the many processes to enter their critical sections, is

None of these
8
16
0
1

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Operating System (OS)
Which key deletes text before, or to the left, of the insertion point?

PageDown
BackSpace
PageUp
Delete

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

with the least processor needs
None of these
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)
Underlined character on the menu or dialog box known as

Hot spot
Pane
Underline word
Hot key

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Operating System (OS)
Which file system DOS typically use ?

LMFS
NTFS
FAT 16
FAT 32

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Operating System (OS)
When you start up the computer the boot up storage at which the BIOS versions manufacturer and data are displayed on the monitor is called

Bootstrap
Power on self test (POST)
Kernel loading
System configuration

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