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Operating System
1081
Computer Science Fundamentals
998
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Computer Science Fundamentals
MOM stands for?
Message oriented middleware
Mails oriented middleware
Middleware of messages
Main object middleware
MOM is message-oriented middleware. It is basically responsible for sending and receiving messages across distributed systems.
Author:
rikazzz
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OS Process Synchronization
Consider a transaction T1 that committed prior to checkpoint. The
record appears in the log before the
record. Any modifications made by T1 must have been written to the stable storage either with the checkpoint or prior to it. Thus at recovery time ____________
There is a need to perform an undo operation on T1
There is a need to perform a redo operation on T1
There is no need to perform an undo and redo operation on T1
All of the mentioned
Author:
rikazzz
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OS File Systems and Their Implementation
A relative path name begins at the _____________
leaf
stem
current directory
root
Author:
rikazzz
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Computer Science Fundamentals
What does SVGA stand for?
Standard Visual Graphics Array
Super Visual Graphics Array
Standard Video Graphics Array
Super Video Graphics Array
Super Video Graphics Array is a type of Visual Display Unit.It supports 1024 by 768 pixels with 16 million different operations.
Author:
rikazzz
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OS Distributed File Systems
What are characteristic of Network Operating Systems?
Users are aware of multiplicity of machines
They are transparent
They are simple to use
All of the mentioned
Author:
rikazzz
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OS Memory Management
The main memory accommodates ____________
operating system
cpu
user processes
all of the mentioned
Author:
rikazzz
Comment
OS Memory Management
Time taken in memory access through PTBR is ____________
extended by a factor of 3
extended by a factor of 2
slowed by a factor of 3
slowed by a factor of 2
Author:
rikazzz
Comment
OS CPU Scheduling
A process is selected from the ______ queue by the ________ scheduler, to be executed.
blocked, short term
wait, long term
ready, short term
ready, long term
Author:
rikazzz
Comment
Computer Science Fundamentals
Which of the following is the correct representation for a storage capacity of a tape?
Data recording density = Storage capacity
Length = Storage capacity
Storage capacity= Length * data recording density
Storage capacity= Length + data recording density
Storage capacity is nothing but the product of length and the data recording density. Magnetic tape is commonly used sequential-access secondary device. Data recording density is measured in bytes per inch.
Author:
rikazzz
Comment
OS Distributed File Systems
What is a valid network topology?
Multiaccess bus
Ring
Star
All of the mentioned
Author:
rikazzz
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