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