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Operating System (OS)

Operating System (OS)
Booting means

Switch off
Installing program
Restarting computer
Removing errors

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Operating System (OS)
Running multiple programs at the same time is called:

Symmetric
Foreground tasking
Multitasking
Single tasking

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Operating System (OS)
To delete a file without allowing it to store in recycle bin

Press Shift + Delete key
Press Alt + Delete key
Press Delete key
Press Ctrl + Delete key

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

firewall
None of these
encryption
passwords
All of these

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Operating System (OS)
If you do not know which version of MS-DOS you are working with, which command will you use after having booted your operating system?

VER command
FORMAT command
DIR command
DISK command
None of these

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Operating System (OS)
In which addressing mode the operand is given explicitly in the instruction?

immediate mode
index mode
indirect mode
None of these
absolute mode

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MORE MCQ ON Operating System (OS)

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