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Operating System (OS)

Operating System (OS)
Which one of the following key is used to refresh the active window?

F7
F9
F5
F8

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Operating System (OS)
Which one of the following is not a multitasking operating system?

DOS
Linux
Windows
Unix

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Operating System (OS)
........ interface consists of thing like program counter, register, interrupts and terminal

Data
None
Hardware
Software

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Operating System (OS)
Which of the following is not essential to shut down your computer?

Close all running applications
Cut off the power supply
Switch off monitor
Save all opened files

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Operating System (OS)
All the time a computer is switched on, its operating system software has to stay in

None of these
primary storage
main storage
disk drive
floppy disk

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Operating System (OS)
...... runs on a computer hardware and serves as a platform for other system to run on

All of above
Operating system
System software
Application system

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