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.

Q 1 - In reference to computer system, consider the following statements:

1. The Analogue Computer uses the mathematical similarity between the physical interrelationships in certain problems.

2. The Analogue Computer employs hydraulic circuits that simulate the physical problem.

Choose the correct answer from the codes given below:

Answer : C

Explanation

An Analogue Computer is one of the types of computer system.

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:

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 - Consider the following statements:

1. Lason India is an end to end outsourcing company.

2. Lason India promotes village BPOs and exercises the works of data entry and data processing in the rural areas.

Choose the correct answer from the codes given below:

Answer : C

Explanation

N/A

Q 4 - Consider the following statements:

1. The term DOS stands for Disk Operating System.

2. Loading operating files into the main memory of computer is known as booting up.

Choose the correct answer from the codes given below:

Answer : C

Explanation

Only after booting up computer is ready to use.

Q 5 - Which among the following is incorrectly matched?

A - PSTN Public Switched Telephone Networks

B - PSDN Public Service Digital Network

C - VAN Value Added Network

D - ISDN International Services Digital Network

Answer : D

Explanation

ISDN stands for Integrated Services Digital Network.

Q 6 - Which among the following period is known as the era of second generation computer?

Answer : D

Explanation

N/A

Q 7 - A web address is usually known as …

Answer : A

Explanation

URL stands for Uniform Resource Locator.

Q 8 - A person who sends irrelevant or unsolicited messages by using Internet, usually to large numbers of users, for the purposes of advertising, spreading malware, phishing, etc. is known as …

Answer : C

Explanation

N/A

Q 9 - Who among the following is more popular as the first computer programmer?

Answer : A

Explanation

Ada had developed the first algorithm, which was processed by a machine.

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 shortcut key to Zoom out window?

Answer : B

Explanation

N/A

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:

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. 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:

Answer : C

Explanation

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

Q 15 - One of the major works of software is to transform data into ……

Answer : A

Explanation

N/A

Q 16 - ……………………… process checks that the all components of a computer are connected and operating properly?

Answer : C

Explanation

Booting process starts a computer and keep it onto a state of readiness for operation.

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:

Answer : C

Explanation

N/A

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

Answer : B

Explanation

N/A

Q 19 - Address of a website is known as …

A - Uniform Resource Locator

B - Website Resource Locator

C - Wireless Resource Locator

D - Electronic address

Answer : A

Explanation

In short Uniform Resource Locator is known as URL.

Q 20 - Which among the following services is not provided by the internet?

A - Money transfer

B - Booking of movie ticket

C - Making friendship

D - Delivering Nike shoe

Answer : D

Explanation

On the internet, one can book/order, but internet cannot delivery any physical product; it means, internet provide booking service and product is delivered through courier service.

basics_of_computer_science_online_quiz.htm