IT Spark Class- 2

2 For Age Group 6 to 8 years COMPUTER BOOK Computer Education Series Concept by: Composed by: Contributed by: Gagan Agarwal David S. Gareema Balwani Hitesh Saini Founder M.D. CLDP, MCA,15 yrs exp. with NIIT Jameel Khan



SAFE COMPAUNTDINHGAPPINESS INTERNET USAGE DONT’S 1. Don't give anyone your password & other details as well as any information about your family. 2. Don't talk to strangers on the Internet. 3. Don't agree to meet any of your online friends in person. 4. Don't fill in any form online that asks for details like address or phone number. 5. Don't visit any online chat room without elder’s or parent's permission. 6. Don't watch online any stuff that you think your parents won't like. 7. Don't post family and personal pictures without your parents' knowledge. 8. Don't download/install anything on your PC without your parents' permission. 9. If you have any doubts, ask your parents, teachers or elders. 10. If anyone cyberbullies, get in touch with your teachers and parents. CYBERBULLYING Cyberbullying is bullying that takes place over digital devices like cell phones, computers, and tablets. Cyberbullying includes sending, posting, or sharing negative, harmful, false, or mean content about someone else. How to keep safe?  Don't respond to any emails or messages sent by anyone who cyberbullies you.  Don't cyberbully others online. Respect everyone’s privacy and rights.  Save the messages and screen-shots of the messages as an evidence of cyberbullying.  If you are being bullied, inform your elders immediately.

1 Parts of a Computer Dear Students, Yes Teacher, We have learnt a lot A computer has about computers in different types of the last class. Now, let parts. Let's learn us learn about parts of about them. a computer. Dear children, A computer has different parts and all of them are connected with each other. For example, Monitor, CPU Box, Keyboard, Mouse, Speakers, etc. Some of the parts like Scanner, Web Camera, Printer, Speakers and Headphone make a computer more useful. Let us learn about them. Monitor CPU Printer Speakers Keyboard Mouse 4

Monitor  A monitor looks like a television (TV).  It shows us the work done on a computer.  We can watch movies and cartoons like Doraemon, LED Monitor Little Krishna, etc. on it.  Older monitors were big and heavy called CRT monitors.  Today, monitors are thin and light. Mostly, they are TFT or LED monitors. Keyboard CRT Monitor  Keyboard looks like a typewriter.  It has of a number of small buttons, called keys.  We type words and numbers on the keyboard.  Using the keyboard, we also give commands to the computer to do our work. Note Do You Know ? Pressing the keys of a keyboard to write There are more than 100 keys on a computer is called typing. on a keyboard. Mouse  A mouse is a pointing device.  It is used for pointing and choosing pictures/icons.  A mouse pointer helps us to point, select and move an item on the screen. Different types of mouse Ball Mouse Optical Mouse Wireless Mouse A Ball mouse uses a rubber 5 ball for its cursor movement but an Optical mouse uses light instead of a ball for its cursor movement.

Central Processing Unit (CPU) CPU System Unit  CPU is made of Arithmetic and Logic Unit (ALU) and Control Unit (CU).  The CPU is also called the brain of a computer.  A CPU is located inside the cabinet called CPU box.  It does all the calculations in computer system.  It also controls other computer parts.  It can execute millions of instructions in a second. Speakers  Speakers are used to listen to music or any sound played on the computer. They output the data (audio) in the form of sound.  They usually come in pairs (Left and Right speaker). Do You Know ? Bluetooth speakers are wireless (they do not have wires). Headphones and Earphones  Headphones and earphones are personal speakers that are used to listen to the sound or music without disturbing others.  Headphones are larger and we wear them overhead.  Earphones are smaller in size. They are stuffed in the ears.  Constant use and loud volume may damage our eardrums. Joystick  A joystick is used to play games on a computer.  We can control the pointer (player) on the monitor using the joystick. Web Cam or Web Camera  A web camera captures photos and video.  It is used for live video chat and video conferencing. 6

Printer Dot matrix  Printer helps us to print the work done on the printer computer on a paper. Inkjet printer  The printed paper which comes out from the printer is called a printout or hard copy.  Printers are of different types such as dot matrix printer, laser printer, inkjet printer etc.  Dot matrix printer is slow in printing and makes noise.  Laser and inkjet printer are faster in printing and they do not make noise. Laser printer Fun Zone Match each device with its correct function. 1. Typing 2. Clicking 3. Printing 4. Watching Movie 5. Listening to Music A B CD E Quick Review  A computer is made up of many parts.  A monitor shows the work done on a computer and a keyboard is used for typing.  A mouse is used as pointing device and CPU is the brain of a computer.  Speakers, Headphones & earphones help us to listen to the sound and music.  A joystick is used to play games on a computer.  A webcam is used for live video chat. It captures images and video.  A printer prints the work done on a computer on a paper. 7

Fun Zone R AWA P P SM WE B C AMS O Find the words given below in the word grid. MON I T O RU AADP ANAS Webcam PR I NTERE Printer P OWE R A V A Monitor UP SAPRAR ADQZ XTHP CPU PAOC PUER Mouse A. Choose the correct answer. 1. The ______ is located inside the CPU box. a) Keyboard b) Mouse c) CPU d) Monitor 2. A _______ is used for live video chat on computer. a) Keyboard b) Web cam c) Monitor d) Joystick 3. Constant use of earphones may damage our _____________. a) Brain b) Computer c) Eardrums d) Speakers 4. The printed paper that comes out of a printer is called a ______. a) Printout b) Copy c) Paper d) Print B. Fill in the blanks: Headphone, Web camera, Keyboard, Mouse, Monitor 1. ________________ looks like a TV. 2. We type words and numbers using a ________________. 3. Ball, Optical and Wireless are the types of ______________. 4. A _______________ captures image and video. 5. __________ is used to listen to the music without disturbing others. 8

C. Complete the names of the following parts of a computer. 1. H E D P O E 2. P IN ER 3. W B CA R 4. J O S I K 5. S P A R D. Help your friends by writing the correct part of the computer. 1. Ravi needs to take the printout of his drawing. _______________ 2. Anu wants to listen to a song alone. _______________ 3. Rohit wants to play car-race on the computer. _______________ 4. Hameed’s father needs to do live chat with his friend. _______________ 5. Neelu wants to click on a picture on the monitor. _______________ 6. Rajat needs to type a letter to his friend. _______________ 7. Rinki wants to watch a movie on computer. _______________ Teacher's Signature : __________________ Teacher's Remark : WEB https://itstillworks.com/12315431/the-five-main-parts-of-a-computer https://www.informationq.com/about-the-basic-parts-of-a-computer-with-devices/ LINKS Teacher’s Corner Dear teachers, please show the students actual devices which are available in school or show them the videos of how devices are used. 9

Supplement-1 Both mouse and keyboard are important input devices that help us to give instructions and insert data into the computer. Lets learn about them in detail. Mouse A computer mouse looks like a real mouse. It is attached to the CPU using a wire. It helps us to move the pointer to select items on the computer screen. Mouse Buttons A mouse has two buttons- Left button and Right button. Left Scroll Right Button Wheel Button Mouse Scroll Mouse scroll is located between the left and right mouse buttons. It is used to scroll the pages up and down. Mouse Pointer It is a slant arrow on the screen. As we move the mouse, the Mouse pointer also moves on the screen in the same direction. Mouse Pad A mouse pad is a surface for placing and using a computer mouse.  Place the mouse on the mouse pad then hold it with your thumb along with the last two fingers.  Place your first (index) finger on the left button and your second (middle) finger on the right button. Now, move the mouse on the mouse pad and watch the movement of the cursor pointer on the screen. Types of Mouse Click Pressing down and releasing the mouse button is called clicking. It is used for pointing and selecting the objects. 1. Single-Click: Single-click means pressing and releasing the left mouse button once. It is used to select an item on the screen. 2. Double-Click: Double-click means pressing and releasing the left mouse button twice (at a short interval). It is used to open an item. 10

Pressing down and releasing the mouse button is called clicking. It is used for pointing and selecting the objects. Keyboard A keyboard has different types of keys, which are used for typing letters, numbers and symbols. Alphabet Keys All the letter keys are called the Alphabet keys. They are 26 in number, i.e. from ‘A' to ‘Z'. These keys are used to type letters, words and sentences. Ex - Type : My name is ____________________________________ Press all those keys that spell your name. Your name will appear on the screen. Note: Press the Enter key to move the cursor to the next line. Spacebar (Key) This is the longest key on the keyboard. It is used to give blank space between the letters and words. Let's type a sentence : Computer is fun. After typing each word, press the Spacebar key once to give a space. Enter Key This key is used to bring the cursor to the next line. Number Keys Number keys have numbers (0, 1 … 9) on them. These are 10 in number, from 0 to 9. We use them to type our roll number, dates, telephone number, etc. Number keys are either placed above the alphabet keys or at the right side of the keyboard as the Numeric Keypad. Write your roll number here: ___________________________ 11

Caps Lock Key The Caps Lock key is used to type letters in capital. Press Caps Lock key once, the Caps Lock light will turn on. Note Lights on the Keyboard should be ON to use this in active move. Cursor/Arrow Keys A cursor is a small blinking line on the screen. There are 4 cursor movement keys: Up Arrow Key : It is used to move the cursor one line up. Down Arrow Key : It is used to move the cursor to the next line down. Left Arrow Key : t is used to move the cursor one character on the left. Right Arrow Key : t is used to move the cursor one character on the right. Backspace Key This key erases the letters typed to the left of the cursor. Example Type: ←I LIVEE IN INDIA Here, cursor is after the word ‘INDIA'. Press the left arrow key to bring the cursor after ‘LIVEE'. Press the Backspace key to erase the extra ‘E' in ‘LIVEE'. Delete Key This key erases the letters to the right of the cursor. Example You want to erase the extra letter ‘E' in ‘LIVEE' in the following sentence: →I LIVEE IN INDIA Move the cursor using the left arrow key to the right of the letter ‘V'. Press the Delete key. The letter ‘E' will be removed. 12

Supplement-2 Tux Math Let us start Tux of Math Command, following are the steps to open it. 1. Click on Start ® All Programs. 2. Click on Tux of Math Command folder. 3. Click on Tux of Math Command (Windowed). OR Double click on Tux of Math Command icon  Now Click on Play alone tab.  Tux Math window appears as shown below.  Click on Math Command Training Academy. You can choose any of the option.  We have selected Addition: 0 to 5. Now the following window appears.  You will see numbers with addition symbol start falling, calculate the sum, type the answer and press Enter key to strike the numbers.  Press Esc key to come back to the main menu. 13

2 Computers are Everywhere Dear Students, Yes Teacher, Do you want to We want to know learn about how how computers the computers are are used at being used at different places. different places? A computer is an electronic machine. It works very fast and also saves time and energy. Let’s see, how is it useful to us. It can do many tasks. It works at your command. It works It does not have very fast. any feelings. It can store a large amount of data and never forgets it. It never makes a mistake until you It can do different types give it a wrong command. of work at the same time without getting tired. 14



At Hospitals At hospitals, computers are used:  To keep the record of medical history of the patients.  To diagnose the patients and check their reports. In Shops In shops, computers are used for:  Maintaining the list of the items in the stock.  Making the bills for the customers (of their purchased items). In Police Stations In police stations, computers are used for:  Keeping the records of the criminal cases.  Tracking the crimes.  Communication within police departments to exchange the records of the crimes and criminals. Do You Know ? Our parents also use computer for doing online shopping, ordering Pizza, planning holidays for us. Fun Activity 1. Hold a class discussion on how the scientists uses the computers (for which types of work). 16

2. Match the following people with what they do on computers. To teach the students. To book the tickets. To open bank account. To book hotel rooms. Types of Computer Computers are of different types. They come in different sizes and shapes. Let's explore some of them. Desktop Computer Desktop computers are kept on desks or tables. They are big in size. Several parts are connected through wires like the monitor, keyboard, mouse, speakers, printer, etc. Laptop Laptops are small in size. They are light in weight and can be carried out easily. They can be kept on our lap and also used while travelling. They can be used to do almost all types of work, which can be done using a Desktop Computer. Tablet Tablets are also called Tabs. They are larger than a mobile (smart) phone. They have a touchscreen to use them (using our fingers). We can use an on-screen keyboard for typing. 17

Smartphones These days, a smartphone has become a necessity for us. They work like the smallest computer in our hands. Using the smartphones:  You can make voice and video calls.  Browse the internet, send and receive e-mails.  Use a camera and video recorder.  See different types of documents.  Play games. Fun Activity B List any two differences between. A Desktop PC Smartphone Laptop Tablet ________________ ________________ ________________ ________________ ________________ ________________ ________________ ________________ ________________ ________________ ________________ ________________ ________________ ________________ ________________ ________________ Quick Review  A computer is also an electronic machine.  A computer works very fast.  A computer never gets tired.  A computer can store lots of information.  Computers can be used at different places for different works like in schools, offices, railway stations & airports, hotels, etc. 18

Fun Zone A. You have learned about the properties of computers. Now, try to solve the cross-word given below. 4C 1M 3 T 2D Across Down 1. Computer doesn't make ________. 3. Computer can do many ______. 2. Computer can store a large amount of 4. Computer works on the user’s ________. ________. B. Identify the places where a computer is used and write their names in the boxes given: 19

A. Choose the correct answer. 1. Computer is used at ___________________ places. a) Schools b) Banks c) Hotels d) All of these 2. A _________________ can store a lot of information. a) Computer b) Car c) T.V. d) Juicer 3. __________________ are also known as tabs. a) Desktop Computer b) Smartphones c) Tablets d)Laptops 4. ____________ are big in size and they are kept on desk or tables. a) Smartphones b) Desktop Computers c) Both a) and b) d) Tablets 5. A ___________ work like a smallest computer in our hands. a) Desktop Computer b) Tablet c) Laptop d) Smartphone B. Fill in the blanks. Calls, Booking tickets, Laptop, Teaching, Electronic, Computer 1. Computer is an ___________________ machine. 2. In schools, computer is used for ___________________. 3. At railway stations, computer is used for _________________. 4. Smartphones are used for making voice or video _____________. 5. ________________ does not have any feelings. 6. _________________ is a type of computers. 20

C. Rewrite jumbled words. ________________________________ 1. BETTAL ________________________________ 2. PPTOAL ________________________________ 3. KTOPDES ________________________________ 4. OMUPCTRE ________________________________ 5. PAMSTRHNOE D. Write any two uses of a computer at the following places. 1. School: ____________________________________________________ ______________________________________________________________ 2. Hospital: ____________________________________________________ ______________________________________________________________ 3. Bank: _______________________________________________________ ______________________________________________________________ 4. Railway Station: _____________________________________________ ______________________________________________________________ 5. Hotel: _______________________________________________________ ______________________________________________________________ Teacher's Signature : __________________ Teacher's Remark : WEB http://generalnote.com/Basic-computer/Application-of-Computer.php https://www.informationq.com/uses-of-computers-in-different-fields-areas- LINKS sectors-industries-education/ Teacher’s Corner Dear teachers, make four groups of students in the class and assign them a task to find the uses of computer at different places (which are not taught in this chapter). 21

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