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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)
A _________ is a component of motherboard which absorbs the heat produced by the processor and other components of a computer.
[A]
Heat sink
[B]
Northbridge
[C]
CPU socket
[D]
CMOS battery
(2)
An input device that utillses a light-sensitive detector to select objects on a display screen is known as _________
[A]
Optical scanner
[B]
Touch screen
[C]
Light Pen
[D]
Mouse
(3)
Which among the following is closely related to the processor?
[A]
Main Memory
[B]
Secondary Memory
[C]
Disk Memory
[D]
Internal Memory
(4)
Which of the following PO techniques is used by Indian banks to process cheques?
[A]
Barcode
[B]
OMR
[C]
MICR
[D]
VCR
(5)
Which of the following cable types is called cheapernet?
[A]
Thicknet
[B]
UTP
[C]
SMF
[D]
Thinnet
(6)
Which of the following is the foray introduced by Microsoft into the gaming console market?
[A]
X-box
[B]
Set-up
[C]
Multi play
[D]
I-phone
(7)
Which of the following statements is correct about EPROM?
[A]
It is a type of ROM from which the stored data cannot be erased
[B]
In this memory, data can be erased by electronic emission
[C]
It is a type of RAM
[D]
Ultraviolet rays are used to erase the data stored in the memory
Answer: Ultraviolet rays are used to erase the data stored in the memory
(8)
Which of the following CD technologies is also called WORM technology?
[A]
CD-RW
[B]
CD-ROM
[C]
CD-R
[D]
All of the above
(9)
Which one of the following provides the ability to query information from the database and to insert tuples into, delete tuples from, and modify tuples in the database?
[A]
DML
[B]
DDL
[C]
Query
[D]
Relational Schema
(10)
Workbook is a collection of __________ in MS Excel?
[A]
page set-up
[B]
Buttons
[C]
Diagrams
[D]
Worksheets
(11)
In E-R diagram, derived attribute(s) is/are represented by -
[A]
Ellipse
[B]
Dashed ellipse
[C]
Rectangle
[D]
Triangle
(12)
In E-R diagram, relationship is represented by
[A]
Ellipse shaped
[B]
Dashed ellipse shaped
[C]
Rectangle shaped
[D]
Diamond shaped
(13)
Which of the following hardware component is/are the most important for the operation of database management system?
[A]
High resolution video display
[B]
Printer
[C]
High speed, large capacity disk
[D]
Mouse
Answer: High speed, large capacity disk
(14)
What is a standard file format for text files?
[A]
JPEG (.jpg)
[B]
Bitmap (.bmp)
[C]
Word (.doc)
[D]
Text (.txt)#
(15)
You cannot save an Excel file in a/an _____ format.
[A]
PDF
[B]
PSD
[C]
TXT
[D]
XML
(16)
The _______ appears automatically when you select text in an Office suite program, such as word, Excel or PowerPoint.
[A]
Mini toolbar
[B]
Key Tip
[C]
Screen Tip
[D]
Live Preview
(17)
Which of the following functions calculates the average or mean value of a group of numbers?
[A]
AVERAGE function
[B]
AVG function
[C]
SUM function
[D]
COUNT function
(18)
The command Ctrl + U in MS Word will do which of the following?
[A]
Unblock
[B]
Block
[C]
Select
[D]
Underline
(19)
Which of the following tabs in Word 2010 includes options to set page size, page margin and page orientation?
[A]
Home
[B]
Insert
[C]
Review
[D]
Page Layout
(20)
__________ is when the more power-hungry components, such as the monitor and hard drive, are put on idle.
[A]
Hibernation
[B]
Powerdown
[C]
The shutdown procedure
[D]
Standby mode
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