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. 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 - Consider the following statements:

1. Firewall is a computer program that protects computer from certain types of malware threats.

2. A patch is a sort of software designed to update and secure the computer program and also to fix and improve the computer program.

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 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 - 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 - Which among the following period is known as the era of second generation computer?

A - 1951 to 1959

B - 1959 to 1965

C - 1965 to 1971

D - 1971 to 1980

Answer : D

Explanation

N/A

Q 7 - If you need to copy the contents of MS Word, which command will you give?

A - Ctrl + X

B - Ctrl + C

C - Ctrl + V

D - Ctrl + Z

Answer : B

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 - Which among the following is the shortcut key to save word file in your computer system?

A - F8

B - F12

C - F10

D - Ctrl + Alt + 0

Answer : B

Explanation

F12 has some other functions as well.

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 - 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 - Consider the following statements:

1. PARAM was the first supercomputer of India.

2. PARAM was developed by C-DAC in 1991.

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

PARAM was able to create animation, weather forecasting, encryption cracking and designing, nuclear energy research, etc.

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 - Which one of the following command language is used by UNIX operating system?

A - DCL

B - SHELL

C - MS DOS

D - C Sharp

Answer : B

Explanation

UNIX is typically used for web servers.

Q 15 - Which among the following correctly defines the term Virtual Memory?

A - Server memory

B - Random Access Memory

C - Flash drive

D - Secondary storage memory/hard disk

Answer : D

Explanation

The secondary storage memory i.e. hard disk is used by CPU as an extended memory.

Answer : B

Explanation

N/A

Q 17 - Which among the following is also known as Information Highway?

A - Internet

B - Intranet

C - LAN

D - Web browser

Answer : A

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.

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
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