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Operating System (OS)

Operating System (OS)
The operating system of a computer serves as a software interface between the user and

screen
memory
hardware
peripheral
None of these

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Operating System (OS)
Essential files of MS DOS are

All of the listed here
Command.com
Msdos.sys
Lo.sys

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Operating System (OS)
The state transition initiated by the user process itself in an operating system is

wake up
None of these
timer run out
dispatch
block

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Operating System (OS)
Which button might you find in a windows title bar?

Minimize button
Maximize button
Close button
All of these

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Operating System (OS)
In which of the storage placement strategies a program is placed in the largest available hole in the main memory?

best fit
buddy
worst fit
None of these
first fit

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Operating System (OS)
In an absolute loading scheme, which loader function is accomplished by the loader

Loading
Linking
None of these
Allocation
Reallocation

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MORE MCQ ON Operating System (OS)

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