Samacheer Kalvi 6th Science Solutions Chapter 7 Pdf
Tamilnadu Board Samacheer Kalvi 6th Science Solutions Chapter 7: Tamilnadu State Board Solution Class 6 Science Chapter 7 – Computer – An Introduction.
Samacheer Kalvi 6th Science Solutions Chapter 7: Overview
Board |
Samacheer Kalvi |
Class |
6 |
Subject |
Science |
Chapter |
7 |
Chapter Name |
Computer – An Introduction |
Samacheer Kalvi 6th Science Solutions Chapter 7 Pdf
Computer – An Introduction
Chapter 7
I.) Choose the correct answer.
1.) Who is the father of computer?
a.) Martin Luther King
b.) Graham Bell
c.) Charlie Chaplin
d.) Charles Babbage
Answer: Charles Babbage
Solution: Charles Babbage is also known as the father of computer , who in the 19th century designed the first analogue computer.
2.) Which of the following is another form of computer?
a.) Blackboard
b.) Mobile
c.) Radio
d.) Book
Answer: Mobile
Solution: Mobile has also some of the features as that of a computer.
3.) When was the first computer introduced?
a.) 1980
b.) 1947
c.) 1946
d.) 1985
Answer: 1946
Solution: In 1946, Electric numerical integrated and computer (ENIC) was introduced.
4.) Who is the computer’s first programmer?
a.) Lady Wellington
b.) Augusta ado Lovelace
c.) Mary Curie
d.) Mary Comb
Answer: Augusta ado Lovelace
Solution: The first computer programmer was Augusta ado Lovelace who introduced many essential mathematical operations in the newly introduced electronic device.
5.) Pick out the odd one.
a.) Calculator
b.) Abacus
c.) Flash card
d.) Laptop
Answer: Flash card
Solution: All other devices except flash card make calculations easier and faster.
II.) Fill in the blanks.
1.) Data is __Unprocessed______ information.
2.) World’s first general purpose computer
is __Electric numerical integrated and computer___ .
3.) Information is __processed________ data
4.) Fifth generation computer has __artificial_____ Intelligence
5.) __Analogue computer______ is the device that Uses Index number.
III. State True or False.
1.)Computer is an electronic device.
Answer: True
2.) Sir Isaac Newton invented computer.
Answer: False
3.) Computer can do calculations fast.
Answer: True
IV.) Match the following.
Answer:
First generation computer | Vaccum tubes |
Second generation computer | Transistor |
Third generation computer | Integrated circuit |
Fourth generation computer | Micro processor |
Fifth generation computer | Artificial intelligence |
V.) Answer briefly.
1.)What is a computer?
Answer: An electronic device used for data and information processing in every field or in our day to day Lifestyle. Such devices are called computers.
2.) Who are the pioneers / forerunners of Computer?
Answer: The father of computer is Charles Babbage, who invented the first computer. Augusta ado Lovelace is the first computer programmer who introduced many essential mathematical operations in computer.
3.) Write a short note on Data.
Answer: Data is an element of computer. It is a term used for unprocessed and unorganised information. As these data cannot be used directly, so they need to be processed first. They are usually in the form of numerical, alphabets and images.
4.) Name any four input devices.
Answer: Keyboard, mouse, scanner and microphone.
5.) Differentiate hardware and software.
Answer: Commands or program that are used to run a computer are known as software. It is of two types:
1) Operating software- The type of software used to run a computer is called operating software. For example- windows.
2) Application software- When a particular program is to run , we use this type of software. Example – application used for painting.
On the other hand, hardware are parts that help software to run in a computer. There are two types of hardware devices:
1) Input devices- include mouse , keyboard, scanner etc.
2) Output devices- include monitor, CPU etc.
VI.) Answer in detail.
1.) Explain in detail above the applications Of computer.
Answer: Applications of computer in everday life are:
- For billing purposes, it is used in textile shops, supermarkets, restaurants etc
- For collecting and storing database of people in offices.
- For issuing tickets in railway station
- Computers are used in banks for multi-purposes.
- In school to have a record of student’s database.