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 -

1. The Digital computer solves problems by calculating and dealing with each number digit by digit.

2. In the present day, most of the computer systems are the digital computers.

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 Digital Computer is one of the types of computer system.

Q 2 - A group of ... is commonly called as one byte.

A - Six bits

B - Eight bits

C - Twelve bits

D - Fifteen bits

Answer : B

Explanation

However, the size of the byte is not strictly defined.

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 -

1. The system of file naming in DOS system can categorized into two parts.

2. The Primary name may be one to eight characters in length and the Secondary name may be 0 to 3 characters.

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 Primary file name (and file extension) is separated by a dot (.).

Q 5 - Consider the following statements:

1. WAIS maintains separate index for the contents of some designated documents.

2. By putting the name, WAIS entails a list of documents available in that index with similar keywords.

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

WAIS stands for Wide Area Information Server.

Q 6 - Who among the following designed the first electronic computer namely Electronic Numerical Integrator and Computer?

A - John Mauchly

B - J. Presper Eckert

C - Gladeon M. Barnes

D - A & B both

Answer : D

Explanation

At that time, ENIAC was a modular computer, consisting of individual panels to perform different functions.

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 - 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 had first invented the first electronic digital computer?

A - Greg Chesson

B - John Vincent Atanasoff

C - Charles Babbage

D - Jack Dorsey

Answer : B

Explanation

Atanasoff was an American physicist.

Q 10 - Who among the following had invented the computer microprocessor?

A - Marcian Hoff

B - Wolfson James Clerk

C - Leonardo da Vinci

D - Leon Bollee

Answer : A

Explanation

Marcian Hoff or Ted Hoff also gave the idea of using a "universal processor.

Q 11 - Part of computer, which performs subtraction, addition, multiplication, division, and comparison is known as

A - RAM

B - ROM

C - ALU

D - Processor

Answer : C

Explanation

ALU stands for Arithmetic Logic Unit.

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 - 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. Program Design Language (PDL) is also known as Pseudocode.

2. Pseudocode facilitates the programmer to represent logic in English in like manner.

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

Pseudocode expresses in a formally-styled natural language rather than in a programming language.

Q 15 - Nibble is the series of bits.

A - 2

B - 4

C - 8

D - 12

Answer : B

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 - Which one of the following technologies is used to transmit voice, video, images data?

A - ISDN

B - DSL

C - Leased Line

D - Dial up lines

Answer : A

Explanation

ISDN stands for Integrated Services Digital Network.

Q 18 - In an internet world, each computer is known as

A - User

B - Host

C - Guest

D - Internet user

Answer : B

Explanation

N/A

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

2

Q 20 - Which among the following correctly defines two parts of an email address?

A - Name and Surname

B - Username and Surname

C - Username and domain name

D - Initial name and domain name

Answer : C

Explanation

For example if someones user name is sam86 and he creates his email account on gmail.com, then his email id will be sam86@gmail.com; gmail.com is a domain name.

basics_of_computer_science_online_quiz.htm
Advertisements