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Operating System (OS)

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

None of these
encryption
All of these
firewall
passwords

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Operating System (OS)
With MS-DOS which command will divide the surface of the blank floppy disk into sectors and assign a unique address to each one?

FORMAT command
None of these
CHKDSK command
FAT command
VER command

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Operating System (OS)
Which of the following is system software ?

Operating system
All of the listed here
Compiler
Utillities

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Operating System (OS)
What are the two types of Semaphore?

Critical Semaphores and System Semaphores
Counting Semaphores and Binary Semaphores
Digital Semaphores and Binary Semaphores
Analog Semaphores and Octal Semaphores

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Operating System (OS)
System files allocated at

Directory
Boot area
FAT area
Data area

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Operating System (OS)
Which of the following is a type of systems software used on microcomputers?

None of these
PC-DOS
MS-DOS
All of these
Unix

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