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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)
What would do to highlight a word? You position the cursor next to the word, and then __________.
[A]
Drag mouse while holding button down
[B]
Click mouse once
[C]
Roll mouse around
[D]
Roll and then click mouse
Answer: Drag mouse while holding button down
(2)
Which of the following places the common data elements in order from smallest to largest?
[A]
Character, File, Record, Field, Database, File
[B]
Character, Record, Field, Database, File
[C]
Character, Field, Record, File, Database
[D]
Bit, Byte, Character, Record, Field, File, Database
Answer: Character, Field, Record, File, Database
(3)
The analytical engine developed during first generation of computers used __________ as a memory unit
[A]
RAM
[B]
Floppies
[C]
Cards
[D]
Counter wheels
(4)
Magnetic tape is not practical for applications where data must be quickly recalled because tape is __________.
[A]
A random-access medium
[B]
A sequential-access medium
[C]
A read-only medium
[D]
An expensive storage medium
Answer: A sequential-access medium
(5)
What is the main advantage of magnetic core memory over semiconductor RAM memory?
[A]
More compact and smaller
[B]
More economical
[C]
A bit does not have to write after reading
[D]
Non-volatile
(6)
Virtual memory is_______.
[A]
Memory on the hard disk that the CPU uses an extended RAM
[B]
In RAM
[C]
Only necessary if you do not have any RAM in your computer
[D]
A backup device for floppy disk
Answer: Memory on the hard disk that the CPU uses an extended RAM
(7)
The word “Computer” comes from the word “compute”, which means ______.
[A]
To assume
[B]
To input
[C]
To combine
[D]
To calculate
(8)
The first electro-mechanical computer MARK-1 invented was by ______.
[A]
Charles Pascal
[B]
John W Mauchly
[C]
Howard Aiken
[D]
Clifford Berry
(9)
Which of the following is not a hardware component?
[A]
Mouse
[B]
Bootstrap Loader
[C]
Joy Stick
[D]
E-mail
(10)
How can we perform tasks on computer without using the Windows graphical interface?
[A]
By using command prompt window
[B]
By using Office 2016
[C]
By using control panel
[D]
By connecting through internete
Answer: By using command prompt window
(11)
What does JPEG stands for?
[A]
Joint Practice Encoding Group
[B]
JDK Practice Encoding Generation
[C]
Java Platform Enabled Group
[D]
Joint Photographic Expert Group
Answer: Joint Photographic Expert Group
(12)
What is a technique used to gain unauthorized access to computers, whereby the intruder sends messages to a computer with an address indicating that the message is coming from a trusted host?
[A]
Identity Theft
[B]
Forging
[C]
IP Spoofing
[D]
Pharming
(13)
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
(14)
Which among the following is not a type of computer mouse?
[A]
Optical Mouse
[B]
RedTrack Mouse
[C]
BlueTrack Mouse
[D]
Mechanical Mouse
(15)
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
(16)
A single user computer system which is similar to personal computer but have more powerful microprocessor
[A]
Mainframe
[B]
Workstation
[C]
Microcomputer
[D]
Server
(17)
Functions of control unit are
[A]
It is responsible for controlling the transfer of data and instructions among other units of a computer
[B]
It manages and coordinates all the units of the computer
[C]
It obtains the instructions from the memory, interprets them, and directs the operation of the computer
[D]
All of the above
(18)
Which among the following is the fastest Supercomputer?
[A]
PARAM Yuva
[B]
VIKRAM 100
[C]
SAGA
[D]
PARAM Yuva-II
(19)
A proxy server is used as the computer?
[A]
With external access
[B]
Acting as a backup
[C]
Performing file handling
[D]
Access user permissions
Answer: Access user permissions
(20)
._______is a scripting language, running on the server, which can be used to create web pages written in HTML.
[A]
PHP (Hypertext Pre-Processor)
[B]
Javascript
[C]
Android
[D]
Adobe
Answer: PHP (Hypertext Pre-Processor)
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