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Operating System (OS)

Operating System (OS)
In a magnetic disk, data is recorded in a set of concentric tracks which are subdivided into

sectors
zones
periods
None of these
groups

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Operating System (OS)
The memory which allocates space for DOS and application is called

Conventional memory
Virtual memory
Expanded memory
Cache memory

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Operating System (OS)
In Microsoft windows, the graphical pattern on the desktop used as background for windows is

Icons
Background
Wall paper
Picture

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Operating System (OS)
A small part of taskbar that has icons of background running applications is

Quick launch
Task bar
Start button
System tray

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Operating System (OS)
What is the name of the operating system which was originally designed by scientists and engineers for use by scientists and engineers?

OS/2
MS DOS
XENIX
None of these
UNIX

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Operating System (OS)
Which one is true for unconditional disk formatting?

Destroys every byte of data on a disk by overwriting it with with blank spaces
Do not check/scan surface after format
Transfer system files after format
All of above

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