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 - Which among the following is not an operating system?

A - UNIX

B - LINUX

C - OS X

D - PITEX

Answer : D

Explanation

N/A

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 - Consider the following statements:

1. Point to Point Protocol is a dial account, which puts personal computer directly on the internet.

2. WWW is explained as Wide Area Hypermedia Information initiative that provides universal access.

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 5 - Which among the following is the earliest functioning base of the computer?

A - Window

B - P1 processor

C - Vacuum tubes

D - Microprocessor

Answer : C

Explanation

Vacuum tube is also known as electron tube.

Answer : C

Explanation

Fifth generation computer was an initiative by Japan's Ministry of International Trade and Industry.

Q 7 - A web address is usually known as

A - URL

B - UWL

C - WWW

D - UVL

Answer : A

Explanation

URL stands for Uniform Resource Locator.

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 first invented microchip?

A - Jack Kilby

B - Jack Dorsey

C - Ronald Rider

D - Greg Chesson

Answer : A

Explanation

Kilby had invented the first microchip in 1958.

Q 10 - Who among the following has invented cut/copy and paste?

A - Ward Cunningham

B - Larry Tesler

C - Lee de Forest

D - Leonard Max Adleman

Answer : B

Explanation

Larry Tesler and Tim Mott together have invented the concept of Cut/copy and Paste.

Q 11 - Consider the following statements:

1. Analog computer is a machine that works on data and this type of data is highly changeable.

2. Analog computer works slowly and it is largely used by scientific and engineering purposes.

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 best example of analogue computer is voltmeter, thermometer, and barometer.

Q 12 - Which among the following works faster?

A - RAM

B - Cache

C - Register

D - ROM

Answer : B

Explanation

Built in CPU, cache is much faster than others.

Q 13 - Consider the following statements:

1. Cache memory is faster, costlier, and temporary storage device.

2. The CPU and hard drive preferably use a cache memory.

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 14 - A pictorial representation of a program or the algorithm is known as

A - Diagram

B - Flowchart

C - Data flow

D - Data presentation

Answer : B

Explanation

Flowchart is diagrammatic representation of the various steps required in designing a system.

Q 16 - In reference to computer system, program has the similar meaning as of

A - Software

B - Information

C - Data

D - Security system

Answer : A

Explanation

N/A

Q 17 - Consider the following statements:

1. In a computer networking system, server is the main computer that manages all resources and functions.

2. Server computer provides resources to other computers (linked in network).

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 is a meta search engine that can search over a dozen of major search engines in parallel?

A - Lycos

B - Khoj

C - Cyber411

D - MSN

Answer : C

Explanation

Cyber411 provides a range of search boxes in several colors and sizes.

Answer : A

Explanation

In short Uniform Resource Locator is known as URL.

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
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