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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

None of these
zones
periods
sectors
groups

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Operating System (OS)
Who is called a supervisor of computer activity ?

Memory
Operating system
I / O Devices
Control unit

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Operating System (OS)
Essential files of MS DOS are

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

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Operating System (OS)
Which of the following is not applications software?

Desktop publishing
UNIX
None of these
Spreadsheet
Word processing

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Operating System (OS)
User action such as keystroke or mouse click are referred to as

Interrupt
Event
Tasks
Processes

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Operating System (OS)
Which is the first program run on a computer when the computer boots up?

Operating system
System software
None
System operations

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