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Operating System (OS)

Operating System (OS)
The following applications may appear on system tray except

Network connection
Volume control
MS office suite
System clock

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

Start button
Quick launch
Task bar
System tray

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

groups
zones
None of these
sectors
periods

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Operating System (OS)
Block caches or buffer caches are used

to improve disk performance
None of these
to handle interrupts
to speed up main memory read operation
to increase the capacity of the main memory

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Operating System (OS)
Which is not an external command ?

XCOPY
None of the listed here
Sys
Edit

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Operating System (OS)
An embedded object might appear in a document as

Both
Embedding
None of above
Linking

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