Operating System Questions And Answers - Computer Science MCQ - 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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Nisha Ramalingam 2 years ago Reply

An operating system is

Sana Kanwal 2 years ago Reply

Great platform for learner's

Nagesh 4 years ago Reply

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amanuel bedelu 4 years ago Reply

resionable questions Thank you !!!!!!!!!!!!!!

Anil Kumar 4 years ago Reply

Very helpful for competitive exams

IZHAR WAJID 4 years ago Reply

really helpful for Educators nts preparation

Rupesh Dode 4 years ago Reply

very useful my technical example

Madhumita majumder 4 years ago Reply

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

Pankaj Pawar 5 years ago Reply

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

vijay kumar 5 years 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

Anirudh Chauhan 4 years ago

in blocked state processes keep waiting either for resources or for I/O . So option A is correct.