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Operating System MCQ Question with Answer

Operating System MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 1
PVM stands for

Parallel Virtual Machine
Parallel Virtual Message
Process Virtual Machine
Process Virtual Monitor

Question No : 2
A process is _________________

program in main memory
Program in cache memory
program in secondary storage
program in execution

Question No : 3
A _____________is a collection of processors that do not share memory, peripheral devices,or a clock.

Computer system
distributed system
network
None of the above

Question No : 4
A sequence of instructions telling the computer what to do is called a_____________

program
language
translator
package

Question No : 5
The _____________ are based on modification of the original message in some manner, or on creation of a false message.

Passive attack
Release of message content attack
Traffic analysis attack
Active attack

Question No : 6
In case of modification an unauthorized party not only gains access to but tampers with an asset. This is an attack on ____________________.

availability
confidentiality
integrity
authenticity

Question No : 7
An unauthorized party inserts counterfeit objects into the system is called_________________

interruption
interception
fabrication
modification

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Exam Name No. Of Q Link
Computer set 1 30 Start
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