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. Hardware is physical parts/components of the computer.

2. Software is the program that runs the computer.

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

Different parts such as Hard Disc, RAM, Fan, Motherboard, etc. are known as hardware.

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 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.

Q 5 - Consider the following statements:

1. Gopher was an Internet application that hierarchically-organizes text files.

2. The model of Gopher is based on the clients and servers.

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 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 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 JavaScript programing language?

A - Rasmus Lerdorf

B - Guido van Rossum

C - Brendan Eich

D - James Gosling

Answer : C

Explanation

Brendan designed JavaScript in 1995.

Q 9 - Who among the following first invented the computer mouse?

A - Douglas C. Engelbart

B - Adam Osborne

C - Adi Shamir

D - Alain Glavieux

Answer : A

Explanation

Douglas invented the computer mouse in 1964.

Q 10 - Who among the following is popular as Mother of Internet?

A - Radia Perlman

B - Ada Lovelace

C - Grace Hopper

D - Anita Borg

Answer : A

Explanation

Perlman has invented spanning tree protocol in 1985.

Q 11 - The information stored in a computer is known as

A - Facts

B - Files

C - Data

D - Directory or repository

Answer : C

Explanation

N/A

Answer : C

Explanation

N/A

Q 13 - The storage device, which retains data even after power cut, is known as

A - Direct storage

B - In-direct storage

C - Volatile storage

D - Non-volatile storage

Answer : D

Explanation

N/A

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

Q 16 - A set of instructions or guidelines that commands computer how to perform a task is known as

A - Hardware

B - Software

C - Program

D - Stored data

Answer : C

Explanation

A computer system essentially requires programs to function properly.

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 - In which of the following States, the first hi-speed rural broadband network has been commissioned?

A - Tamil Nadu

B - Andhra Pradesh

C - Kerala

D - Karnataka

Answer : C

Explanation

The first hi-speed rural broadband network was set up in Idukki, district of Kerala.

Q 19 - Which among the following was the first computer virus?

A - Conficker

B - I Love you

C - Melissa

D - Elk

Answer : D

Explanation

Elk Corner was seen in 1981 and considered as the first virus that affected personal computer, but in 1986 Farooq Alvi Brothers, reportedly to deter unauthorized copying of the software, had created Brain virus.

Q 20 - Which among the following correctly explains the term internet?

A - Internet network

B - International network

C - Intercontinental network

D - Information network

Answer : B

Explanation

Internet is global network that connects the people irrespective of their geographic locations.

basics_of_computer_science_online_quiz.htm
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