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Wednesday, December 8, 2021

Samacheer Kalvi 9th Science Chapter 25 Computer An Introduction Notes PDF Download: Tamil Nadu STD 9th Science Chapter 25 Computer An Introduction Notes

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Samacheer Kalvi 9th Science Chapter 25 Computer An Introduction Notes PDF Download: Tamil Nadu STD 9th Science Chapter 25 Computer An Introduction Notes
Samacheer Kalvi 9th Science Chapter 25 Computer An Introduction Notes PDF Download: Tamil Nadu STD 9th Science Chapter 25 Computer An Introduction Notes


Samacheer Kalvi 9th Science Chapter 25 Computer An Introduction Notes PDF Download: Students of class can download the Samacheer Kalvi 9th Science Chapter 25 Computer An Introduction Notes PDF Download from our website. We have uploaded the Samacheer Kalvi 9th Science Chapter 25 Computer An Introduction notes according to the latest chapters present in the syllabus. Download Samacheer Kalvi 9th Science Chapter 25 Computer An Introduction Chapter Wise Notes PDF from the links provided in this article.


Samacheer Kalvi 9th Science Chapter 25 Computer An Introduction Notes PDF Download

We bring to you specially curated Samacheer Kalvi 9th Science Chapter 25 Computer An Introduction Notes PDF which have been prepared by our subject experts after carefully following the trend of the exam in the last few years. The notes will not only serve for revision purposes, but also will have several cuts and easy methods to go about a difficult problem.


Board

Tamilnadu Board

Study Material

Notes

Class

Samacheer Kalvi 9th Science

Subject

9th Science

Chapter

Chapter 25 Computer An Introduction

Format

PDF

Provider

Samacheer Kalvi Books

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  4. Now download the Samacheer Kalvi 9th Science Chapter 25 Computer An Introduction notes PDF.

Download Samacheer Kalvi 9th Science Chapter 25 Computer An Introduction Chapterwise Notes PDF

Students can download the Samacheer Kalvi 9th Science Chapter 25 Computer An Introduction Notes PDF from the links provided in this article.


Tamilnadu Samacheer Kalvi 9th Science Solutions Chapter 25 Computer – An Introduction

Samacheer Kalvi 9th Science Computer – An Introduction Textbook Exercises

I. Choose the correct answer.

9th Computer Guide Question 1.
……………. is an electronic device which stores data and information.
(a) Telescope
(b) Television
(c) Computer
(d) Radio
Answer:
(c) Computer

9th Computer Science Guide Question 2.
…………….. belongs to the generation IV of the computer.
(a) Microprocessor
(b) Artificial intelligence
(c) Transistor
(d) Vacuum Tubes
Answer:
(a) Microprocessor

Computer Science 9th Guide Question 3.
Data processing involves ……………. steps.
(a) seven
(b) four
(c) six
(d) eight
Answer:
(c) six

9th Standard Computer Science Guide Question 4.
(i) Abacus belongs to the first generation of the computer.
(ii) ENIAC was used in the American military.
(a) Both the statements are correct
(b) Statement (i) is wrong but (ii) is correct
(c) Statement (i) is correct but (ii) is wrong
(d) Both the statements are wrong.
Answer:
(a) Both the statements are correct

II. Match the following.

  1. III generation computer – (a) Integrated circuit
  2. Text, number – (b) Information
  3. Transistor – (c) Father of computer
  4. Directly used – (d) Data
  5. Charles Babbage – (e) II generation

Answer:

  1. (a) Integrated circuit
  2. (d) Data
  3. (e) II generation
  4. (b) Information
  5. (c) Father of computer

III. Answer the following in brief.

Samacheer Kalvi 9th Computer Science Book Question 1.
Define computer.
Answer:
Computer is an electronic device, which manipulates and stores data and information through commands or program codes.

Computer 9th Guide Question 2.
Differentiate data and information.

S.No DATA INFORMATION
1 Data is used as input for the computer system Information is the output of data
2 Data doesn’t depend on information Information depends on data
3 Data is not specific Information is specific
4 Data doesn’t carry a meaning Information must carry a logical meaning

Samacheer Kalvi 9th Computer Book Question 3.
What is data processing?
Answer:
The data processing in a computer is collecting data and converting it into information according to our needs and requirements.

IV. Answer the following in detail:-

9th Computer Guide Samacheer Kalvi Question 1.
What are the different steps involved in data processing?
Answer:
Data processing has six steps. They are,

  • Data collection
  • Data storage
  • Data sorting
  • The data processing
  • Data analysis
  • Data presentation and conclusions

Samacheer Kalvi 9th Computer Science Book Answers Question 2.
List out the generations of computer.

PERIOD GENERATION DIGITAL DEVICES
1940- 1956 1 Generation Vacuum tubes
1956 -1963 II Generation Transistor
1964-1971 HI Generation Integrated circuits
1972-2010 IV Generation Micro processors
After-2010 V Generation Artificial Intelligence

Samacheer Kalvi 9th Science Computer – An Introduction Additional Questions

I. Fill in the blanks.

  1. ………………. is an electronic device which manipulates and stores data and information.
  2. Lady Augusta Ada Lovelace was honored as the first programmer for programming ……………..
  3. Computer operates by the exchange of ……………… between the hardware and software.
  4. ……………. designed the basic constructions of a computer.
  5. The first and the basic method of computing is ………………..

Answer:

  1. Computer
  2. Arithmetic operations
  3. Commands
  4. Charles Babbage
  5. Abacus

How to Prepare using Samacheer Kalvi 9th Science Chapter 25 Computer An Introduction Notes PDF?

Students must prepare for the upcoming exams from Samacheer Kalvi 9th Science Chapter 25 Computer An Introduction Notes PDF by following certain essential steps which are provided below.


  • Use Samacheer Kalvi 9th Science Chapter 25 Computer An Introduction notes by paying attention to facts and ideas.
  • Pay attention to the important topics
  • Refer TN Board books as well as the books recommended.
  • Correctly follow the notes to reduce the number of questions being answered in the exam incorrectly
  • Highlight and explain the concepts in details.


Samacheer Kalvi 9th Science All Chapter Notes PDF Download


Frequently Asked Questions on Samacheer Kalvi 9th Science Chapter 25 Computer An Introduction Notes


How to use Samacheer Kalvi 9th Science Chapter 25 Computer An Introduction Notes for preparation??

Read TN Board thoroughly, make separate notes for points you forget, formulae, reactions, diagrams. Highlight important points in the book itself and make use of the space provided in the margin to jot down other important points on the same topic from different sources.

How to make notes for Samacheer Kalvi 9th Science Chapter 25 Computer An Introduction exam?

Read from hand-made notes prepared after understanding concepts, refrain from replicating from the textbook. Use highlighters for important points. Revise from these notes regularly and formulate your own tricks, shortcuts and mnemonics, mappings etc.
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