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Inside The Book
The key features of the series have been designed to ensure better learning and assessment.
Learning Resources
Digital Versatile Disc (DVD)
A DVD looks similar to a CD. It is used to store a huge
amount of data. The storage capacity of a DVD is more
than a CD but less than a hard disk.
Pen Drive
DVD
Computer Keyboard It is a small storage device, also known as the USB Flash drive. It
is used to transfer data from one computer to another. It can be
Pen Drive
easily carried in a pocket.
Chapter
04 Tech
Funda
Your Aim The computer has special ports for 4. Playing games for a long time on the computer
to learn about: pen drive called the USB Ports. We distracts us from doing our daily tasks.
Alphabet Keys insert the pen drive into a USB port USB
Number Keys
Special Keys to store data in it. Port 5. Sometimes our computers may get infected by
Function Keys 3.
Combinational Keys a virus. A computer virus is a harmful program
Punctuation Keys
Symbol Keys that doesn’t let a computer work correctly.
You have already learnt that a keyboard is a main part of a computer. It has many
Storage devices act as both input and output devices.
If animals had their own types of computers, what would a computer
keys such as alphabet keys, number keys, and special keys, that are used for typing.
Let us learn about these keys in detail. for a cat or a dog look like, and what programs would it have?
Escape Key ................................
Function keys Hands On
Backspace key Number keys
COMPUTER VS HUMAN
Number The parts of a computer are divided into three categories—input devices, A computer can do a lot of things in a better manner than a human.
output devices and storage devices.
keys
Tab key Input devices are used to instruct the computer what to do. Computer Human them into your notebook or scrapbook. #Creativity & Innovativeness
Caps Lock Keyboard, mouse, scanner and microphone are some of the input devices.
key Output devices are used to give the result.
Collect computerised bills that you receive from any local shop or mall and paste
devices.
Monitor, printer, speakers, headphones and headset are some of the output
Alphabet keys Spacebar key Arrow keys Storage devices are used to store our work. #Experiential Learning
Shift keys Hard disk, CD, DVD and pen drive are some of the storage devices.
Enter keys are used to keep the student’s records.
ALPHABET KEYS
30 iPro (Ver. 4.1)-II
With the help of your teacher, visit the school’s office and see how computers
Alphabet keys are used to type words and sentences. There are 26 alphabet keys
on the keyboard from A to Z. Teacher's Corner
I never make any mistakes.
I can make mistakes. the help of videos.
Clickipedia: This 3. Take the children to show them an ATM.
1. Show how computers are used at different places like offices, shops, banks, hospitals, etc. with
2. Explain that all railway and airline ticketing is done by computers.
Computer Keyboard 35
section provides
I store a large amount of I may forget the information
information and never forget it.
stored in my mind.
interesting computer
11
Computer—An Electronic Device
Your Aim: This facts. Think Tank: This 26 iPro (Ver. 4.1)-II
section describes encourage students Hands On: This
to explore innovative section contains an
the objective of the
chapter. ideas and think activity for Home
beyond conventional assignment.
topics.
EXPLORE MORE
Tux Paint
Tux Paint is a free software for young children. It is commonly used for children to Tech The result we get on the monitor screen is called soft copy
draw and create paintings. Funda and the result we get on paper is called hard copy.
STEPS TO START TUX PAINT
2 Scroll to find
Speakers
when it opens
quickly. the letter T in the The Tux Screen, Digital Literacy Speakers are output devices that are used for listening to music,
left pane. Click
Drag and drop is a very useful action. It can be used to move objects on the screen
on Tux Paint. looks like this. voice and other sounds played from a computer. Speakers
release
press move 1 Click on the Gl ssary
Headphones
Start button. Headphones are small speakers used to hear the sound
3 Click on Tux without causing any disturbance to others. They are worn
Paint (Full Screen).
Alphabet Keys These keys are used to type words and sentences. There are 26 alphabet
The main screen is divided into the following sections: keys on the keyboard. over the ears.
A headset is a combination of headphones and a microphone.
Brushes Tool Headphone
Drag and drop This tool is used for freehand drawing. Headset
Headset
Up and Down Arrows
Reb t Toolbox Clicking on these arrows
STORAGE DEVICES
It contains allow you to see more Selector Compact Disc
A mouse is a pointing device. a variety symbols. used to It is A CD is a round and shiny disc. It is used to store a smaller amount of data. Other than input, output, and processing devices, a computer also uses storage
of tools.
select the devices. These are used to store our work. Some of the storage devices are:
desired Input
mouse pointer or pointer. options. or symbols.
It is the instruction given to the computer in the form of numbers, letters
While moving the cursor, an arrow is displayed on the screen called as the
Drawing Area/Canvas
This space is used for
Mouse is always kept on a mouse pad.
drawing
Monitor Hard Disk
Optical mouse has LED sensor at its bottom that helps the pointer on the
screen to move. It is an output device that looks like a television screen. The hard disk is rectangular in shape. It is fixed inside the CPU
Colors box. It can store a huge amount of information. Nowadays, Hard Disk
Palette
Single-click or click is used for selecting an item on the computer screen.
Double-click opens the selected item. It contains Mouse external hard disk is also available.
the colours. Help Area It is an input device that sends instructions to the computer with the click
of a button.
Right-click displays a list of options of the selected item.
It gives you tips and Compact Disc (CD)
details of the selected tool. A CD is a round and shiny disc. It is used to store a smaller
A computer mouse has a wheel in between the right button and the left
button. This is known as the scroll wheel.
Output It is the result that we get after processing. amount of data. You can play a CD by inserting it into the
Drag and Drop can be used to move objects on the screen quickly.
64 iPro (Ver. 4.1)-I Pointer The small arrow on the monitor is called pointer. CD/DVD drive. Input and Output Devices 29
One
One Touch Learn CD
Section A (Objective) Protocol
A. Tick (3) the correct option. A protocol is set of standard rules used for communication.
1. Which of the following is not a function of a mouse?
a. Typing Explore More: This Right-click Pressing and releasing the right button once is called right-click.
b. Clicking c. Dragging
2. What is pressing the left mouse button once called? Scanner It is an input device that is used to convert document or images from the Tech Funda: This
a. Clicking paper to the computer.
b. Double-clicking section provides
c. Right-clicking 88 88 iPro (Ver. 4.1)-II
iPro (Ver. 4.0)-II
50 iPro (Ver. 4.1)-II section provides
Reboot: This section supplement topics Glossary: This practical information
provides a summary for extra knowledge. section contains or tips to the
of the chapter for
definitions of students.
quick recapitulation.
important IT terms.

