Operating System Questions And Answers - Computer Science MCQ - Page 4


Computer Science : Operating System (Page 4)

(Showing: 31 - 40 out of 94 MCQs) Operating System is the main function-able part of our computer system. The operating system multiple choice questions and answers are discussed as below along with their explanations as necessary.
31. ______ is a high level abstraction over Semaphore.
[A] Shared memory
[B] Monitor
[C] Mutual Exclusion
[D] None
32. A tree sturctured file directory system
[A] allows easy storage and retrieval of file names
[B] is a much debated unecessary feature
[C] is not essential when we have millions of files
[D] none of the above
33. A computer system that permits multiple users to run programs at same time
[A] Real time system
[B] Multi tasking system
[C] Time Sharing
[D] Multi processing
34. Telnet is a service that runs
[A] Remote Program
[B] Television on net
[C] Telnet
[D] Cable TV network
35. A device that forwards data packet from one network to another is called a
[A] Bridge
[B] Switch
[C] Hub
[D] Gateway
36. Resolution of externally defined symbols is performed by
[A] Linker
[B] Loader
[C] Compiler
[D] Assembler
37. A computer communication technology that provides a way to interconnect multiple computer across short distance is
[D] Wireless Network
38. Which command is used to see the sub-directory structure of drive?
[A] Tree
[B] List
[C] Subtree
[D] none
39. In wildcard specification `?' is used as replacement for
[A] one character
[B] Two Character
[C] Three Character
[D] None
40. Memory management is:
[A] replaced with virtual memory on current systems
[B] not used in modern operating system
[C] not used on multiprogramming systems
[D] critical for even the simplest operating systems

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Asry Asry 1 week ago Reply


abubakr 1 month ago Reply

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IZHAR WAJID 1 month ago Reply

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Samiullah Khan 1 month ago Reply

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Rupesh Dode 1 month ago Reply

very useful my technical example

Madhumita majumder 2 months ago Reply

Amazing..... it is very helpful to me

Pankaj Pawar 7 months ago Reply

Good one..But if you provide explaination to each answer, then it will be more advantageous.

sahil jadhav 7 months ago Reply

give question of 2003 answer

vijay kumar 10 months ago Reply

6. In the blocked state ?
[A] the processes waiting for I/O are found
[B] the process which is running is found
[C] the processes waiting for the processor are found
[D] none of the above
Answer: A. the processes waiting for I/O are found
ans is incorrect
In some website ans C is OK

Deb 11 months ago Reply

its really helpful for technical exam.thans .

usman 1 year ago Reply

70th is D: data inconsistency, not redundancy. redundancy is unusual repetition of data.

mir mudasir 1 year ago Reply

useful questions for exams

mir mudasir 1 year ago Reply

useful questions for exams

mir mudasir 1 year ago Reply

useful questions for exams

JAMAL 1 year ago Reply

Q 69 answer is wrong at correct answer is option C

sathish 1 year ago Reply

94 th Question answer MULTIPLEXING.. not multiprogramming...

rekha 1 year ago Reply

94th question's answer should be multiprogramming

sathish 1 year ago

That answer is Multiplexing

ibrahim bere 1 year ago Reply

Great effort,i like it.

Butterfly 1 year ago Reply

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Shrikant Irgond 2 years ago Reply

really helpful to me.