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Computer Science

We prepare these MCQS with the help of over technical and subject expert team. Over team put their great efforts to explain each and every Question in detail.
Here is the list of COMPUTER SCIENCE and its all different categories MCQS for the preparation of CSS, PMS, PPSC, FPSC, Kppsc, SPSC, NTS, OTS, PTS , JTS and all other Government/Private exams. We cover all the latest and past papers topic of COMPUTER SCIENCE which you want and prepare yourself for all the exam MCQS.

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COMPUTER SCIENCE MCQS
IT CURRENT AFFAIRS	BASIC IT/COMPUTER FUNDAMENTALS/MIXED COMPUTER SCIENCE MCQS
NETWORKING	MANAGEMENT INFORMATION SYSTEM
COMPUTER HISTORY AND GENERATIONS	MICROSOFT WORD MCQS
MICROSOFT EXCEL MCQS	MICROSOFT POWER POINT MCQS

1 Nibble =

Basic IT 0

A. 2 Bit
B. 4 Bit
C. 6 Bit
D. 8 Bit

Answer & Solution

Option: B
Explanation :Four bit is equal to one Nibble and 8 Bit is equal to one Byte.

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Which thing is required when more than one person uses central computer at same time?

Pakexammcq Basic IT 0

A. Digitizer
B. Terminal
C. Mouse
D. Light Pen

Answer & Solution

Option: B
Explanation :Terminal is required when more than one person uses central computer at same time.
A computer terminal is an electronic or electromechanical hardware device that can be used for entering data into and transcribing data from a computer or a computing system. The teletype was an example of an early day hardcopy terminal and predated the use of a computer screen by decades.

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OSI Model has number of Layers

OSI Model 0

A. 4
B. 5
C. 6
D. 7

Answer & Solution

Option: D
Explanation :OSI Model has 7 number of Layers. OSI model provides a standard for different computer systems to be able to communicate with each other. The International Standards Organization (ISO) developed the Open Systems Interconnection (OSI) model. OSI Model divides network communication into seven layers. In this model from layers one-four are considered the lower layers, and concern themselves with moving data around. Layers five-seven, called the the upper layers, contain application-level data. Networks operate on one basic principle: “pass it on.” Each layer takes care of a very specific job, and then passes the data onto the next layer.

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In MS Word CTRL + N is used to

Basic IT, Computer Science 0

A. Open Document
B. Save Document
C. Open New Document
D. Close Document

Answer & Solution

Option: C
Explanation :Ctrl + N in Microsoft word is used to open new blank document.

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SIM stands for

Basic IT, Computer Science 0

A. Single in-line Module
B. Single in-Line Memory
C. Subscriber Identity Module
D. None of these

Answer & Solution

Option: C
Explanation :The subscriber identity module (SIM) is a computer memory card that you insert into your cellphone to allow the phone to sign in to your carrier’s network or another network you might use while roaming.

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In Networking WAP service is related to

Basic IT, Computer Science, Networking Miscellaneous 0

A. Wired networking
B. Wireless networking
C. Both A and B
D. None of these

Answer & Solution

Option: B
Explanation :Wireless Application Protocol (WAP) is a technical standard for accessing information over a mobile Wireless Network. A WAP browser is a web browser for mobile devices such as mobile phones that uses the protocol. Introduced in 1999, WAP achieved some popularity in the early 2000 but by the 2010 it had been largely superseded by more modern standards. Most modern handset internet browsers now fully support HTML, so they do not need to use WAP markup for web page compatibility, and therefore, most are no longer able to render and display pages written in WML, WAP’s markup language.

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Which of the following is odd one out?

Basic IT, Computer Science 0

A. BIOS
B. CD/DVD
C. SD Card
D. Floppy disc

Answer & Solution

Option: A
Explanation :Cd/DVD, SD Card and Floppy disc are storage devices.On the other side BIOS is basic input output system, it is a set of computer instructions in firmware which control input and output operations.

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HTML is used to create

Basic IT, Computer Science 0

A. Databases
B. Web pages
C. Spreadsheets
D. Desktop publishing

Answer & Solution

Option: B
Explanation :First developed by Tim Berners-Lee in 1990, HTML is short for Hypertext Markup Language. HTML is used to create electronic documents (called web pages) that are displayed on the World Wide Web. Each page contains a series of connections to other pages called hyperlinks.

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In MS word 2007 which key combination is used to extend a selection to the end of a word.

Basic IT, Computer Science 0

A. Alt + Shift + Right Arrow
B. Alt + Shift + Left Arrow
C. Ctrl + Shift + Right Arrow
D. Ctrl + Shift + Left Arrow

Answer & Solution

Option: C
Explanation :Ctrl+Shift+Left/Right Arrow: Extend your current selection by one word to the left or right.
Shift+Left/Right Arrow: Extend your current selection by one character to the left or right.
Shift+Up/Down Arrow: Extend selection up or down one line.
Ctrl+Shift+Up/Down Arrow: Extend selection to the beginning or end of the paragraph.
Shift+End: Extend selection to the end of the line.
Shift+Home: Extend selection to the beginning of the line.
Ctrl+Shift+Home/End: Extend selection to the beginning or end of the document.
Shift+Page Down/Page Up: Extend selection down or up one screen.

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Which Keys combination is used to select the entire document

Basic IT, Computer Science 0

A. Ctrl + A
B. Ctrl + Shift+ A
C. Ctrl + F4
D. Alt + A

Answer & Solution

Option: A
Explanation :Also known as Control A and C-a, Ctrl+A is a shortcut key most often used to select all text, or other objects while in a graphical user environment.