8th Standard Syllabus & Materials
8th Standard
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NEW8th Standard
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NEW8th Standard
Tamilnadu 8th Standard роХрогро┐родроорпН роОрогрпНроХро│рпН Important Questions And Answers Study Material - QB365 Set A
NEW8th Standard
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NEW8th Standard
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NEW8th Standard
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Published on: 09/12/2019
Introduction to the Information Age
Download Tamil Nadu 8th Standard Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Science Test1.
Which of the following component are used in fourth generation?
Vaccum tubes
Microprocessor
Integrated circuits
Transistor
2.
Example of Application program
Drawing tools
Graphics Card
Cabinet
RAM
3.
Pick out the odd one
Speaker
Printer
Keyboard
Monitor
4.
When was the first computer introduced?
1980
1947
1946
1985
5.
First generation computer has_________
Microprocessor
Integrated circuits
Artificial Intelligence
Vaccum tubes
6.
Pen drive is _____device.
Output
Input
Storage
Connecting cable
7.
Which one of the following is an input device?
Speaker
Keyboard
Monitor
Printer
8.
Which one of the following is an output device?
Mouse
Keyboard
Speaker
Pendrive
9.
Who is the father of computer?
Martin Luther King
Graham Bell
Charlie Chaplin
Charles Babbage
10.
What is Hardware and Software?
11.
Name the parts of a computer
12.
What is a Computer?
13.
What is an Application Software?
14.
Define Arithmetic Logic Unit.
15.
Explain the classification of computer.
16.
Define Control unit
17.
Write a short note on Data.
18.
Name the two types of software
1.
(b)
Microprocessor
2.
(a)
Drawing tools
3.
(c)
Keyboard
4.
(c)
1946
5.
(d)
Vaccum tubes
6.
(c)
Storage
7.
(b)
Keyboard
8.
(c)
Speaker
9.
(d)
Charles Babbage
10.
Hardware: It is the physical part of a computer. It includes input and output devices.
Examples: Keyboard, Monitor, Hard Disk, CPU, RAM Software: Softwares are programmed and coded applications to process the input information software
11.
Parts of a computer:
(i) Input unit
(ii) Central Processing Unit (CPU)
(iii) Output unit
12.
(i) Computer is an electronic device that process the data and information according to our needs.
(ii) It follow instructions, called programs which determine the tasks the computer will perform.
13.
(i) Application software is a program or a group of programs designed for the benefit of end user to work on computer.
(ii) Examples of application program: Video player, Audio player, Word processing Software, Drawing tools etc.
14.
Arithmetic and Logic unit performs all the arithmetic computations like addition, subtraction, multiplication and division.
15.
The computers can be classified based on their design, shape, speed, efficiency, working of the memory unit.
Classification of Computer
16.
The control unit controls the functions of all the parts of the computer
17.
(i) Data is the information that has to be processed.
(ii) They are in the form of numbers, alphabets and images
18.
The software is divided into two types based on the process.
They are
8th Standard Syllabus & Materials
8th Standard
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NEW8th Standard
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NEW8th Standard
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NEW8th Standard
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Tamilnadu Stateboard 8th Standard Subjects
Tamilnadu Stateboard Standards
