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 a computer language?

A - ALGOL

B - COBOL

C - PASCAL

D - DRAM

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 - Which among the following cities produces highest e-waste in India?

A - Delhi

B - Bengaluru

C - Chennai

D - Mumbai

Answer : D

Explanation

Delhi and Bengaluru are the second and third largest e-waste producers.

Q 4 - Consider the following statements:

1. A file is a characteristically collection of logically related information.

2. In DOS system, there is a defined technique to put file name.

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

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 - If you need to select all the contents of MS Word, which command will you give?

A - Ctrl + A

B - Ctrl + C

C - Ctrl + V

D - Ctrl + Z

Answer : A

Explanation

N/A

Q 8 - A person who uses his expertise to gain access of others computer illegally is known as

A - Programmer

B - Hacker

C - Spammer

D - Hobbyist

Answer : B

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 - Which among the following is the shortcut key to open the shortcut menu for the active window?

A - Alt + F4

B - Ctrl + F6

C - Alt + Spacebar

D - Ctrl + Spacebar

Answer : C

Explanation

N/A

Q 11 - Which among the following is the correct sequence of information processing in a computer

A - Data, input, output, storage

B - Input, process, output, storage

C - Input, storage, process, output

D - Input, display, process, output

Answer : B

Explanation

N/A

Q 12 - Magnetic disk or simply disk is an information storage device.

A - City

B - Organization

C - Department

D - Individual

Answer : D

Explanation

N/A

Q 13 - A computer keyboard has functions (F) keys.

A - 9

B - 12

C - 13

D - 17

Answer : C

Explanation

Starting from F1 to F12, there are 12 functions keys on a computer keyboard. Besides, there is one separate Function (Fn) key left side in the bottom.

Q 14 - Consider the following statements:

1. Algorithm is a set of instructions and basic techniques used to solve a problem/query.

2. An algorithm is a list of well-defined instructions for completing a defined task.

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

A mistake in an algorithm that causes incorrect results is called a logical error.

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.

Answer : B

Explanation

N/A

Q 17 - In a network system, which among the following is the most powerful computer?

A - Laptop

B - Desktop

C - Server

D - Notebook

Answer : C

Explanation

N/A

Q 18 - Consider the following statements:

1. Web Browser is an application/software that is used to navigate the world wide web (WWW).

2. Web Browser assists to connect personal computer to internet.

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

Some popular web browsers are, Chrome, Firefox, Safari, Internet Explorer, Opera, etc.

Q 19 - While sending an email, sometimes you also add multiple recipients in CC; CC stands for

A - Carbon copy

B - Creative copy

C - Carbon common

D - Creative common

Answer : A

Explanation

N/A

Q 20 - Which among the following correctly defines the term Home Page of a website?

A - Most viewed page

B - Most attractive page

C - Having maximum content, image, and/or video

D - Landing page or first page

Answer : D

Explanation

This is entry page.

basics_of_computer_science_online_quiz.htm
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