Basics of Computer Science Online Quiz



Following quiz provides Multiple Choice Questions (MCQs) related to Basics of Computer Science. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Questions and Answers

Q 1 - The type of computer, which has the properties of both i.e. analogue computer and digital computer, is known as

A - Analogue-cum Digital Computer

B - Super Computer

C - Hybrid Computer

D - Computer of Future

Answer : C

Explanation

N/A

Q 2 - A sort of malware computer program that keeps replicating itself and can easily get diffused into other computers through internet is known as ...

A - Virus

B - Worms

C - Trojans

D - Spyware

Answer : B

Explanation

A computer worm uses computer network (internet or intranet) to spread itself.

Q 3 - Consider the following statements:

1. Encryption converts original text/message into cipher text by using encryption algorithm and an encryption key.

2. Asymmetric encryption protects stored data, operating system, IP address, etc.

Choose the correct answer from the codes given below:

A - Only 1

B - Only 2

C - Both 1 & 2

D - Neither 1 nor 2

Answer : C

Explanation

Encryption is progressively used to protect the digital information.

Q 4 - Which among the following controls all parts of the computer and known as the brain of computer?

A - RAM

B - ROM

C - CPU

D - Processor

Answer : C

Explanation

All processing works of a computer is performed by Central Processing Unit or CPU.

Answer : D

Explanation

ISDN stands for Integrated Services Digital Network.

Q 6 - Which among the following period is known as the era of third generation computer?

A - 1951 to 1959

B - 1959 to 1965

C - 1965 to 1971

D - 1981 to 1991

Answer : C

Explanation

N/A

Q 7 - Who among the following has designed the Python programing language?

A - Larry Wall

B - Guido van Rossum

C - Joe Armstrong

D - Yukihiro Matsumoto

Answer : B

Explanation

Python is developed in 1991.

Q 8 - Who among the following has designed the Java programing language?

A - Rasmus Lerdorf

B - Guido van Rossum

C - Brendan Eich

D - James Gosling

Answer : D

Explanation

James designed Java in 1995.

Q 9 - Who among the following had invented the laser printer?

A - Gary Starkweather

B - Butler Lampson

C - Ronald Rider

D - Greg Chesson

Answer : A

Explanation

N/A

Q 10 - Which among the following is the shortcut key to delete a file without moving it into Recycle bin?

A - Shift + Delete

B - Ctrl + Delete

C - Alt + Delete

D - Delete + F5

Answer : A

Explanation

N/A

Q 11 - Which among the following is the shortcut key to Zoom out window?

A - Shift + [-]

B - Win + [-]

C - Win + F9

D - Alt + [-]

Answer : B

Explanation

N/A

Q 12 - Which among the following is not an input device (for a computer)?

A - Optical Character Recognition

B - Speech Recognition System

C - Touch Screen

D - Screen Image Projector

Answer : D

Explanation

Screen Image Projector is an output device.

Q 13 - A personal computer stores documents or other data temporarily on

A - ROM

B - RAM

C - Flash drive

D - Processor

Answer : B

Explanation

N/A

Q 14 - Consider the following statements?

1. Machine code or object code is a low level programming language.

2. Machine code/language is the only language that computers central processing unit directly understands.

Choose the correct answer from the codes given below:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : C

Explanation

Low level programming language is a collection of binary digits.

Q 15 - One of the major works of software is to transform data into

A - Information

B - Video

C - Website

D - Software program

Answer : A

Explanation

N/A

Q 16 - PageMaker, which was one of the first desktop publishing programs, is related to

A - Windows

B - UNIX

C - LINUX

D - A & B both

Answer : A

Explanation

PageMaker helped to popularize the Windows environment as well as the Macintosh platform.

Q 17 - . is a set of finite elements that interconnects different elements of computer systems.

A - Nodes

B - Junctions

C - Mesh

D - Starfish

Answer : C

Explanation

N/A

Q 18 - The first internet service was set up in India in

A - 1993

B - 1995

C - 1998

D - 2000

Answer : B

Explanation

The internet service was launched collectively by Videsh Sanchar Nigam Limited and Internet Service Provider.

Q 19 - Which among the following connects two more networks?

A - Bus

B - HTTP

C - Gateway

D - Highway

Answer : C

Explanation

In a computer world, gateway is a network node that provides access to another network.

2

Q 20 - Which among the following correctly defines two parts of an email address?

A - Name and Surname

B - Username and Surname

C - Username and domain name

D - Initial name and domain name

Answer : C

Explanation

For example if someones user name is sam86 and he creates his email account on gmail.com, then his email id will be sam86@gmail.com; gmail.com is a domain name.

basics_of_computer_science_online_quiz.htm
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