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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

None of these
peripheral
screen
hardware
memory

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Operating System (OS)
In which addressing mode the operand is given explicitly in the instruction?

absolute mode
index mode
immediate mode
None of these
indirect mode

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Operating System (OS)
Which, of the following is not true about the description of a decision table?

None of these
A decision table is easy to modify
All of these
A decision table is directly understood by the computer
A decision table is easy to understand

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Operating System (OS)
___ is a compromise mode between Shut Down and Sleep mode because it does not consume power and remembers the current state of your desktop

Hibernate
Shut Down
Restart
Sleep

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Operating System (OS)
The most common systems security method is

passwords
All of these
None of these
firewall
encryption

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Operating System (OS)
Which of the following terms refers to the degree to which data in a database system are accurate and correct?

data validity
None of these
data integrity
data independence
data security

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