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 - Consider the following statements:

1. In 1985, Microsoft launched the revolutionary operating systems and named it Window.

2. Window programs employ a Graphical User Interface (GUI).

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

GUI facilitates its users to give command only on clicking on-screen symbols. It also facilitates users to perform multiple task simultaneously.

Q 2 - Consider the following statements:

1. Bit is a basic unit of information used in computing and digital communications.

2. In information theory, one bit is characteristically defined as the uncertainty of a binary random variable that is either 0 or 1 with equal probability.

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

The symbol of bit (as a unit of information), is bit. It is recommended by the IEC 80000-13:2008 standard.

Q 3 - In reference to data encryption, consider the following statements:

1. Keys of encryption are characteristically stored in the computer files itself and they are also encrypted.

2. Keys can be assessed only with a passphrase.

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

Keys are similar to passwords, but they are much longer.

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 - The first general purpose programmable electronic computer was

A - ENIAC

B - Mac

C - IBM

D - UNEC

Answer : A

Explanation

ENIAC stands for Electronic Numerical Integrator and Computer.

Q 7 - If you need to cut the contents of MS Word, which command will you give?

A - Ctrl + X

B - Ctrl + C

C - Ctrl + V

D - Ctrl + Z

Answer : A

Explanation

N/A

Q 8 - Which among the following is the shortcut key to refresh the active window in your computer system?

A - F5

B - F9

C - F10

D - Ctrl + P

Answer : A

Explanation

N/A

Q 9 - Who among the following has invented worldwide web?

A - Tim Berners-Lee

B - George Boole

C - Jean Bartik

D - Per Brinch Hansen

Answer : A

Explanation

Lee invented www in 1989-90.

Q 10 - Who among the following is popular as the father of video games?

A - Ralph Baer

B - Wolfson James Clerk

C - Leonardo da Vinci

D - Leon Bollee

Answer : A

Explanation

In 1962, Steve Russell invented "SpaceWar!," which was the first game planned for computer use.

Q 11 - The P in CPU stands for

A - Process

B - Program

C - Performance

D - Plan

Answer : A

Explanation

N/A

Answer : B

Explanation

Magnetic disk or simply disk is an information storage device.

Q 13 - USB is a storage device.

A - Primary

B - Secondary

C - Auxiliary

D - Additional

Answer : B

Explanation

N/A

Q 14 - Consider the following statements?

1. Programming language is an artificial language, used by computer to express computation.

2. Programming language is a set of keywords, symbols, and a system of rules that constructs meaningful statements.

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

N/A

Q 15 - The COBOL programming language is best designed for

A - Business

B - Personal

C - Movie making

D - Graphics

Answer : A

Explanation

COBOL is best suited for business, finance, and administrative purpose.

Q 16 - process checks that the all components of a computer are connected and operating properly?

A - Processing

B - Programming

C - Booting

D - Restarting

Answer : C

Explanation

Booting process starts a computer and keep it onto a state of readiness for operation.

Q 17 - In reference to computer networking, consider the following statements:

1. Node is a connection or junction point in a computer networking system.

2. At the node transmission of data/information either ends or starts.

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

N/A

Q 18 - Which among the following defines rules that all computers must follow to communicate with each other on the internet?

A - Transmission Control Protocol

B - File Transfer Protocol

C - Hyper Text Markup Language

D - HTTP

Answer : A

Explanation

Transmission Control Protocol is also known as Internet Protocol. It is the communication protocol for the internet.

Q 19 - Which one of the following is the most dangerous computer virus?

A - Conficker

B - I Love you

C - Melissa

D - Creeper

Answer : B

Explanation

It was programmed in the form of a worm.

Q 20 - The computer application that integrates texts, sound, image, graphics, videos or other sort of animation, is known as

A - Integrated media

B - Entertaining media

C - Multimedia

D - Hypermedia

Answer : C

Explanation

N/A

basics_of_computer_science_online_quiz.htm
Advertisements