Class 8 Solution Computer (CS) 2076 by Deepak Sir

Chapter-wise Questions Collection

Unit 1: Fundamental Knowledge & Skill Computer

Very Short Questions                                                [ 1 Mark Each ]

1.      What is meant by Computer?

A computer is a machine or device that performs processes, calculations and operations based on instructions provided by a software or hardware program.

2.      What is Computer Science?

Computer science is the study of processes that interact with data and that can be represented as data in the form of programs. 

3.      Define the term data.

Data can be defined as a representation of facts, concepts, or instructions in a formalized manner, which should be suitable for communication, interpretation, or processing, by human or electronic machine.

4.      What do you know about instruction?

An instruction is an order given to a computer processor by a computer program.

5.      Define information clearly.

Information is organized or classified data, which has some meaningful values for the receiver. Information is the processed data on which decisions and actions are based.

6.      Define the term “computer literacy”.

Computer literacy is the ability to use computers and related technology efficiently, with a range of skills covering levels from elementary use to programming and advanced problem solving.

7.      What does GIGO (Garbage In Garbage Out) mean?

GIGO is a computer science acronym that implies bad input will result in bad output.

8.      Who is known as first programmer?

Lady Ada Lovelace

9.      What do you know about the program?

A computer program is a collection of instructions that can be executed by a computer to perform a specific task. Most computer devices require programs to function properly.

10.  How many vacuum tubes were used in first electronic computer?

18,000 vacuum tubes

11.  Who is known as father of computer?

Charles Babbage

12.  Give any two examples of word processing package.

Microsoft Word, Google Docs

13.  Define the term software with any two examples.

Computer software is a collection of data or computer instructions that tell the computer how to work. E.g. Photoshop, MS-Word

14.  Define the term hardware with any two examples.

Computer hardware is the collection of all the parts you can physically touch. E.g. Mouse, Printer

15.  For what purpose presentation packaged is used?

To display information in the form of a slide show.

16.  For what purpose spreadsheet software is used?

Sort data, arrange data easily, and calculate numerical data.

17.  Give any two examples of operating system.

MS-DOS, Windows 10

18.  What is memory?

Computer memory is any physical device capable of storing information temporarily or permanently.

19.  List the types of primary memory.

RAM and ROM

20.  For what purpose pen drive is used?

For storage, data back-up and transfer of computer files.

21.  Name the components of computer system.

Input Devices (keyboard, mouse etc)

Output Devices (monitor, speakers etc)

Secondary Storage Devices (hard disk drive, CD/DVD drive etc)

Processor and Primary Storage Devices (cpu, RAM)

22.  Differentiate between primary and secondary memory.

primary memory is the main memory of the computer which is used to store data or information temporarily, whereas secondary memory refers to external storage devices that are used to store data or information permanently.

23.  What does BIT stand for?

Binary Digits

24.  List the name of any four input devices.

Keyboard, Mouse, Light Pen, Scanner

25.  Name the components used fourth generation of computer.

Microprocessor