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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)
INSERT, UPDATE and DELETE statements belong to?
[A]
DCL Language
[B]
DDL Language
[C]
DQL Language
[D]
DML Language
(2)
Format command is used to
[A]
Save a disk
[B]
Prepare a blank disk
[C]
Create a new blank disk from a used one
[D]
Both (b) and (c)
Answer: Create a new blank disk from a used one
(3)
Binary Number system is also called _______.
[A]
Base-2 number system
[B]
Base-1 number system
[C]
Base-3 number system
[D]
Base-8 number system
Answer: Base-2 number system
(4)
The primary purpose of an operating system is ________.
[A]
To make the most efficient use of the computer hardware
[B]
To allow people to use the computer
[C]
To keep systems programmers employed
[D]
To make computers easier to use
Answer: To make the most efficient use of the computer hardware
(5)
Which of among the following statement is not true about virtual keyboard?
[A]
It is a software component that allows a user to enter characters
[B]
It is a typewriter-style device which uses an arrangement of buttons or keys to act as a mechanical lever or electronic switch
[C]
It may be used in some cases to reduce the risk of keystroke logging
[D]
It might provide an alternative input mechanism for users with disabilities who cannot use a conventional keyboard
Answer: It is a typewriter-style device which uses an arrangement of buttons or keys to act as a mechanical lever or electronic switch.
(6)
The ______________ was an intelligent user interface for Microsoft Office that assisted users by way of an interactive animated character, which interfaced with the Office help content.
[A]
Office Assistant
[B]
Help Menu
[C]
Tool Bar
[D]
Home Tab
(7)
What does MODEM stands for?
[A]
Modulator-Demodulator
[B]
Main of Domain End Machine
[C]
Multiplexing Other Device Encoding Message
[D]
Multiplexing On Demultiplexed Embedded Machine
Answer: Modulator-Demodulator
(8)
In MS Word Ctrl+[ is the key combination for?
[A]
To reduce the font size of selected text
[B]
To highlight the selected text
[C]
To change the font of selected text
[D]
To select the text
Answer: To reduce the font size of selected text
(9)
Which of the following statement is not true about microcomputers?
[A]
It is a small, relatively inexpensive computer with a microprocessor as its central processing unit
[B]
The improvements in cost and usability resulted in an explosion in their popularity
[C]
It has high-level computational capacity compared to a general-purpose computer
[D]
The predecessors to these computers, mainframes and minicomputers
Answer: It has high-level computational capacity compared to a general-purpose computer
(10)
Cache memory is–
[A]
Smaller but slower than main memory
[B]
Bigger and slower than main storage
[C]
Bigger and faster than main memory
[D]
Smaller and faster than main storage
Answer: Smaller and faster than main storage
(11)
Which of the following statement is true about Password?
[A]
It is a code by which a user gains access to a computer system
[B]
It is an entrance without paying something
[C]
It is a pass for viewing movie
[D]
All of the above
Answer: It is a code by which a user gains access to a computer system
(12)
What are pop-ups referred for on the World Wide Web?
[A]
Online Advertising
[B]
Browsers
[C]
Search Engines
[D]
Mark-up Languages
Answer: Online Advertising
(13)
By which of the following action you cannot close a Word document?
[A]
Choosing File menu then Exit submenu
[B]
Press Alt+F4
[C]
Click X button on title bar
[D]
From File menu choose Close submenu
Answer: From File menu choose Close submenu
(14)
Which topology is similar to star topologies, in a way that it has a variety of single nodes connected to a central node?
[A]
Rhombus topology
[B]
Tree topology
[C]
Bus topology
[D]
Ring topology
(15)
What type of program lets you produce professional-looking documents containing both text and graphics?
[A]
A page composer
[B]
A thesaurus
[C]
A speller checker
[D]
A desktop publisher
Answer: A desktop publisher
(16)
In MS Word what happens if you press Ctrl + Shift + F8?
[A]
It activates extended selection
[B]
It activates the rectangular selection
[C]
It selects the paragraph on which the insertion line is
[D]
None of above
Answer: It activates the rectangular selection
(17)
Which among the following languages is most popular for scientific work?
[A]
PASCAL
[B]
FORTRAN
[C]
COBOL
[D]
PROLOG
(18)
The overall design, construction, organization and interconnecting of the various components of a computer system is referred as _________.
[A]
Computer Architecture
[B]
Computer Flowchart
[C]
Computer Algorithm
[D]
All of the above
Answer: Computer Architecture
(19)
_______ Devices accept the spoken word through a microphone and convert it into binary code that can be understood by the computer.
[A]
Speech recognition
[B]
Handwriting recognition
[C]
Peripheral
[D]
All of the above
Answer: Speech recognition
(20)
What is the technique to implement virtual memory where memory is divided into units of fixed size memory is called?
[A]
Paging
[B]
De-fragments
[C]
Segmentation
[D]
All of the above
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