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Free download in PDF Computer Awareness Multiple Choice Questions(MCQs) & Answers. These multiple choice questions on Computer Science are very useful for NIELIT, BCA, B.Sc. MCA, M.Sc. B.Tech, M.Tech, BE, ME students an interview for various positions like Web Developer, System Analyst etc.
(1)
Routing is done at the ____________
[A]
Data link layer
[B]
Network layer
[C]
Transport layer
[D]
Session layer
(2)
Which of the following is a loopback address?
[A]
125.0.0.0
[B]
127.0.0.1
[C]
255.0.0.0
[D]
255.0.0.1
(3)
Storage unit provides _______________.
[A]
Place for typing data
[B]
Storage for information and instruction
[C]
Place for printing information
[D]
All of the above
Answer: Storage for information and instruction
(4)
Which of the following keyboard shortcut commands lets you perform the undo operation?
[A]
CTRL + N
[B]
CTRL + S
[C]
CTRL + Z
[D]
CTRL + O
(5)
Which of the following units is used to specify the font size?
[A]
Points (pt)
[B]
Pascal
[C]
Picas
[D]
Millimeter
Answer: Points (pt)
Sol. Points is the default measurement unit to specify the size of text.
(6)
You can select which of the following format to save a document in a previous Word version?
[A]
Word 97-2003 Document
[B]
Word Template
[C]
XPS Document
[D]
Open Document Text
Answer: Word 97-2003 Document
Sol. Word 97-2003 Document is a compatible format used to save a document in a compatibility mode with previous versions of Word document.
(7)
What is the function of the AutoCorrect feature across all MS Office applications?
[A]
Replacing misspelled words with the correct ones while typing
[B]
Replacing grammatically incorrect words with the correct ones
[C]
Replacing repetitive words with the word ‘same’
[D]
Replacing selected words with the word ‘auto’
Answer: Replacing misspelled words with the correct ones while typing
Sol. The AutoCorrect feature is used to correct typo errors and miss-spelt words automatically according to the words given in the list for the AutoCorrect feature.
(8)
In excel which of the following symbols is used before a numeric value so that it can be treated as a labelled value?
[A]
” (quote)
[B]
= (equal)
[C]
_ (underscore)
[D]
’ (apostrophe)
Answer: ’ (apostrophe)
Sol. In MS Excel, apostrophe is a symbol that is used to convert the numeric value in the text format. To do this, you need to add the apostrophe symbol before the numeric value.
(9)
The IP address 123.225.225.124 belongs to:
[A]
Class A
[B]
Class B
[C]
Class C
[D]
Class D
Answer: Class A
Sol. Class A IP addresses range from 1.0.0.0 to 126.225.225.225. Class A addresses only include IP starting from 1.x.x.x to 126.x.x.x only. The IP range 127.x.x.x is reserved for loopback IP addresses.
(10)
Which of the following committees guides the progression of the TCP/IP suite and the Internet?
[A]
IEEE
[B]
IAB
[C]
ITC
[D]
JPEG
Answer: IAB
Sol. Internet Architecture Board (IAB) is an Internet administration committee that sets the focus and momentum and guides the progression of the TCP/IP suite and the Internet. It is also responsible for setting the tone and direction of the Internet protocols.
(11)
Which of the following statements is incorrect about a message-switched network?
[A]
It reduces traffic congestion
[B]
It allows prioritizing of messages
[C]
It allows broadcasting of messages
[D]
It is an inexpensive network
Answer: It is an inexpensive network
(12)
Which of the following is a term for the process of trading goods over the Internet?
[A]
E-selling-n-buying
[B]
E-trading
[C]
E-finance
[D]
E-commerce
Answer: E-commerce
Sol. Electronic commerce, commonly written as e-commerce or e-commerce, is the trading or facilitation of trading in products or services using computer networks, such as the Internet or online social networks.
(13)
When a command is not available for selection until certain other conditions are met, it is called a(n)
[A]
Dimmed command
[B]
Unavailable command
[C]
Dialog box
[D]
None of the above
Answer: Dimmed command
Sol. Dimmed command is a command is not available for selection until certain other conditions are met.
(14)
Which of the following is not a valid version of Windows OS?
[A]
Windows XP
[B]
Windows Vista
[C]
Windows 7
[D]
Windows Mac
Answer: Windows Mac
Sol. Windows Mac is not a valid version.
(15)
Which of the following uses pictures (called icons) and menus displayed on the screen to send commands to the computer system?
[A]
Command based user interface
[B]
GUI
[C]
System utility
[D]
API
Answer: GUI
Sol. GUI or graphical user interface is a type of user interface that allows users to interact with electronic devices through graphical icons and visual indicators such as secondary notation, instead of text-based user interfaces, typed command labels or text navigation.
(16)
In Windows ME, what does ME stand for?
[A]
Millennium Edition
[B]
Micro-Expert
[C]
Macro-Expert
[D]
Multi-Expert
Answer: Millennium Edition
Sol. ME stand for Millennium Edition.
.
(17)
Which among the following is Microsoft's core set of application programming interfaces (APIs) available in the Microsoft Windows operating systems?
[A]
Kernel
[B]
WinAPI
[C]
Windows ME
[D]
DOS
Answer: WinAPI
Sol. The Windows API, informally WinAPI, is Microsoft's core set of application programming interfaces (APIs) available in the Microsoft Windows operating systems. The name Windows API collectively refers to several different platform implementations that are often referred to by their own names (for example, Win32 API).
(18)
Who contributed to the idea of a stored program?
[A]
John von Neumann
[B]
Charles Babbage
[C]
Daniel Thomas
[D]
Howard Aiken
(19)
Which of the following cable types is called cheapernet?
[A]
Thicknet
[B]
UTP
[C]
SMF
[D]
Thinnet
Answer: Thinnet
Sol. As the installation cost of thinnet coaxial cable is less, it is also known as cheapernet.
(20)
Which among the following is a software design technique that emphasizes separating the functionality of a program into independent, interchangeable modules?
[A]
Programming language
[B]
Programming structure
[C]
Modular programming
[D]
Logic chart
Answer: Modular programming
Sol. Modular programming is a software design technique that emphasizes separating the functionality of a program into independent, interchangeable modules, such that each contains everything necessary to execute only one aspect of the desired functionality.
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