Basics of Computer Science Online Quiz


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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. The DNS system used by Internet permits computer to identify other computers.

2. In order to connect to the internet, each computer requires a unique numerical code, which is known as IP address.

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

DNS stands for Domain Name System and IP address is Internet Protocol address.

Q 2 - The computer malware that disguises users by representing itself as legitimate software/program is known as …

A - Virus

B - Worms

C - Trojans

D - Spyware

Answer : C

Explanation

Trojans are employed by hackers or other cyber-thieves to command the access of other’s computer system.

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 projects is established with the objective to improve and promote agriculture system, healthcare, education, livelihood, etc. in East and West Godavari regions of Andhra Pradesh?

A - Digital Godavari

B - Ashwini

C - Bhimavaram

D - Gramin Gyan Kendra

Answer : B

Explanation

The center of project is Bhimavaram village and it will connect about 32 villages in the Godavari region.

Answer : D

Explanation

ISDN stands for Integrated Services Digital Network.

Q 6 - The Second Generation Computer used …

A - Transistors

B - Integrated circuit

C - Vacuum tube

D - Chip

Answer : A

Explanation

The second generation computer replaced the vacuum tube and used transistor.

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

A - Larry Wall

B - Guido van Rossum

C - Joe Armstrong

D - Yukihiro Matsumoto

Answer : D

Explanation

Yukihiro Matsumoto is a Japanese scholar who designed Ruby programing language in 1995.

Q 8 - Consider the following statements:

1. Virtual Private Network enables users to send and receive data across shared or public networks.

2. Virtual Private Networks facilitates employees to securely access a corporate intranet while located outside the office premises.

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 Virtual Private Network or simply VPN is a network technology that creates a secure network connection over a public network.

Q 9 - Who among the following had developed the first commercially available portable computer?

A - Ada Lovelace

B - Adam Osborne

C - Adi Shamir

D - Alain Glavieux

Answer : B

Explanation

N/A

Q 10 - Which among the following is the shortcut key to close the active window?

A - Alt + F4

B - Ctrl + F6

C - Alt + F10

D - Ctrl + L

Answer : A

Explanation

N/A

Answer : A

Explanation

All the information stored, processed, or any other information used in computer is known as data.

Q 12 - Consider the following statements:

1. Hybrid computers have combined features of both the analog and digital computers.

2. The hybrid computers involve analog to digital conversion at the input end and digital to analog conversion at the output end.

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 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 function’s 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 - Byte is the series of ……………… bits.

A - 2

B - 5

C - 8

D - 12

Answer : C

Explanation

N/A

Answer : B

Explanation

N/A

Q 17 - Consider the following statements:

1. DSL is a very high-speed internet connection.

2. DSL uses the same wire as used by regular telephone line.

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

DSL stands for Digital Subscriber Line.

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.

Answer : A

Explanation

In short Uniform Resource Locator is known as URL.

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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