_______________occurs when two or more execution flows are able to run simultaneously.

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_______________occurs when two or more execution flows are able to run simultaneously.

A. Deadlock

B. Concurrency

C. race condition

D. interrupt

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The primary purpose of an operating system is:

A. To allow people to use the computer,

B. To make the most efficient use of the computer hardware

C. To make computers easier to use

D. To keep systems programmers employed

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______________ occurs when multiple processes or threads read and write data items so that the final result depends on the order of execution of instructions in the multiple processes.

A. Race condition

B. Mutual exclusion

C. Exception

D. Interrupt

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Ext2 is the standard file system of ___ and uses a block size of_bytes

A. MS DOS,8K

B. Linux ,1024

C. Linux, 512

D. Unix, 512

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In the case of____________ , changes to an open file are only locally visible.

A. session semantics

B. immutable files

C. atomic transactions

D. None of the above.

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Most accurate global time is based on oscillations of the ______________

A. Cesium-130 atom

B. Cesium-133 atom

C. Cesium-136 atom

D. Cesium-139 atom

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You can move a window to a different position on your screen by dragging it by its

A. Tail

B. Move handle

C. Status bar

D. Title bar

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Identify the server:
This type of server generally remains in existence indefinitely. It is shared by many clients. Servers of this type are created and installed before the clients use them.

A. Instance-per-call-servers

B. Persistent Servers

C. Non-Persistent Servers

D. Semantic server

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What is dispatch latency?

A. The time taken by the dispatcher to stop one process and start another

B. The whole time taken by all processor

C. The time taken by the processor to write a file into disk

D. None of Above

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IDL stands for_____________________

A. Integrated Data library

B. Isolated Data Library

C. Interface Data Language

D. Interface Definition Language

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In case of good process migration mechanism, _____________ means failure of any node other than the one on which the process is running should not affect the execution of the process.

A. Robustness

B. Efficiency

C. Transparent

D. Interference

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__________ deals with when a modified page should be written out to secondary memory.

A. Cleaning policy

B. Fetch policy

C. Frame locking

D. None

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Initialization of I/O devices is part of the_________.

A. CPU

B. MSDOS

C. UNIX kernel

D. None of the above

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______________is a mechanism the prevents two or more processes from accessing a shared resource simultaneously.

A. Livelock

B. Preemption

C. Semaphore

D. either or

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Which is the layer of a computer system between the hardware and the user program

A. Operating system

B. Operating environment

C. System environment

D. None

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_____________ manage the name spaces and binds an object to its location.

A. Name Server

B. Name agent

C. Context

D. Name resolution

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What is Dr. Watson?

A. IT Expert

B. Diagnosis tool

C. Surgeon

D. None

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The date and time displays on

A. Taskbar

B. Launch pad

C. Status bar

D. System tray

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Once text has been cut to the clipboard, you can____hat text into another document

A. Copy

B. Paste

C. Transfer

D. None of the above

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The usual su command syntax is

A. su-pwd

B. su-pd

C. su - userID

D. Sue- ID

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SRM stands for

A. Security Resource Manager

B. Secret Resource Manager

C. Security Reference Monitor

D. Security Reference Manual

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A bar that inform you the available options in your computer, opened applications, background running applications and can be used to switch between applications quickly is

A. Menu bar

B. Tool bar

C. Status bar

D. Task bar

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Creation of a semaphore set is done using the _______system call.

A. semget()

B. semsget()

C. mknod()

D. sempget()

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In the case of____________, message remains in the senders address space until the receiver executes the corresponding receive.

A. No buffering

B. Single message buffering

C. Unbounded-capacity buffer

D. Finite bound buffer

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The _____________ are based on modification of the original message in some manner, or on creation of a false message.

A. Passive attack

B. Release of message content attack

C. Traffic analysis attack

D. Active attack

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When a peripheral device needs immediate attention from the operating system, it generates a(n)

A. Page file

B. Spool

C. Stack

D. Interrupt

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In layered approach each layer uses the functions and services of ------------------

A. kernel

B. lower-level layers

C. higher-level layers

D. all of these

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Find out the characteristics of System-oriented names:

A. They are large integers or bit strings.

B. They are of the same size

C. Generally shorter than human-oriented names and are easy for manipulations like hashing, sorting and so on.

D. All A, B, C

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A process is _________________

A. program in main memory

B. Program in cache memory

C. program in secondary storage

D. program in execution

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In case of ________________the server automatically copies files to other servers after the files are written.

A. Explicit replication

B. Implicit replication

C. Lazy file replication

D. Group file replication

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Wiretapping to capture data in a network is an example of ________________

A. interruption

B. interception

C. fabrication

D. modification

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Accepted Answer

B. Concurrency

_______________occurs when two or more execution flows are able to run simultaneously.

Correct Answer :

Show all Operating System MCQ

Related Questions

The primary purpose of an operating system is:

______________ occurs when multiple processes or threads read and write data items so that the final result depends on the order of execution of instructions in the multiple processes.

Ext2 is the standard file system of ___ and uses a block size of_bytes

In the case of____________ , changes to an open file are only locally visible.

Most accurate global time is based on oscillations of the ______________

You can move a window to a different position on your screen by dragging it by its

Identify the server:
This type of server generally remains in existence indefinitely. It is shared by many clients. Servers of this type are created and installed before the clients use them.

What is dispatch latency?

IDL stands for_____________________

In case of good process migration mechanism, _____________ means failure of any node other than the one on which the process is running should not affect the execution of the process.

__________ deals with when a modified page should be written out to secondary memory.

Initialization of I/O devices is part of the_________.

______________is a mechanism the prevents two or more processes from accessing a shared resource simultaneously.

Which is the layer of a computer system between the hardware and the user program

_____________ manage the name spaces and binds an object to its location.

What is Dr. Watson?

The date and time displays on

Once text has been cut to the clipboard, you can____hat text into another document

The usual su command syntax is

SRM stands for

A bar that inform you the available options in your computer, opened applications, background running applications and can be used to switch between applications quickly is

Creation of a semaphore set is done using the _______system call.

In the case of____________, message remains in the senders address space until the receiver executes the corresponding receive.

The _____________ are based on modification of the original message in some manner, or on creation of a false message.

When a peripheral device needs immediate attention from the operating system, it generates a(n)

In layered approach each layer uses the functions and services of ------------------

Find out the characteristics of System-oriented names:

A process is _________________

In case of ________________the server automatically copies files to other servers after the files are written.

Wiretapping to capture data in a network is an example of ________________

Also checkout

_______________occurs when two or more execution flows are able to run simultaneously.

Correct Answer :

Show all Operating System MCQ

Related Questions

The primary purpose of an operating system is:

______________ occurs when multiple processes or threads read and write data items so that the final result depends on the order of execution of instructions in the multiple processes.

Ext2 is the standard file system of _______ and uses a block size of_____bytes

In the case of____________ , changes to an open file are only locally visible.

Most accurate global time is based on oscillations of the ______________

You can move a window to a different position on your screen by dragging it by its

Identify the server:This type of server generally remains in existence indefinitely. It is shared by many clients. Servers of this type are created and installed before the clients use them.

What is dispatch latency?

IDL stands for_____________________

In case of good process migration mechanism, _____________ means failure of any node other than the one on which the process is running should not affect the execution of the process.

__________ deals with when a modified page should be written out to secondary memory.

Initialization of I/O devices is part of the_________.

______________is a mechanism the prevents two or more processes from accessing a shared resource simultaneously.

Which is the layer of a computer system between the hardware and the user program

_____________ manage the name spaces and binds an object to its location.

What is Dr. Watson?

The date and time displays on

Once text has been cut to the clipboard, you can____hat text into another document

The usual su command syntax is

SRM stands for

A bar that inform you the available options in your computer, opened applications, background running applications and can be used to switch between applications quickly is

Creation of a semaphore set is done using the _______system call.

In the case of____________, message remains in the senders address space until the receiver executes the corresponding receive.

The _____________ are based on modification of the original message in some manner, or on creation of a false message.

When a peripheral device needs immediate attention from the operating system, it generates a(n)

In layered approach each layer uses the functions and services of ------------------

Find out the characteristics of System-oriented names:

A process is _________________

In case of ________________the server automatically copies files to other servers after the files are written.

Wiretapping to capture data in a network is an example of ________________

Also checkout

Ext2 is the standard file system of ___ and uses a block size of_bytes

Identify the server:
This type of server generally remains in existence indefinitely. It is shared by many clients. Servers of this type are created and installed before the clients use them.