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Oxford COMPUTER SC Information Technology >>T<<llI>M^fyif<<TlWiTii Alka Sabharwal Information Technology for Class 1 Sangeeta Panchal HOD, Computer Science Hans Raj Model School New Delhi Alka Sabharwa Senior Teacher, Computer Science Hans Raj Model School New Delhi OXPORD UNIVERSITY PRESS OXFORD UNIVERSITY PRESS YMCA Library Building, Jai Singh Road, New Delhi 110001 Oxford University Press is a department of the University of Oxford. It furthers the University's objective of excellence in research, scholarship, and education by publishing worldwide in Oxford New York Auckland Cape Town Dar es Salaam Hong Kong Karachi Kuala Lumpur Madrid Melbourne Mexico City Nairobi New Delhi Shanghai Taipei Toronto With offices in Argentina Austria Brazil Chile Czech Republic France Greece Guatemala Hungary Italy Japan Poland Portugal Singapore South Korea Switzerland Thailand Turkey Ukraine Vietnam Oxford is a registered trade mark of Oxford University Press in the UK and in certain other countries. Published in India by Oxford University Press (c) Oxford University Press 2005 The moral rights of the author/s have been asserted. Database right Oxford University Press (maker) First published 2005 Twelfth impression 2007 All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, without the prior permission in writing of Oxford University Press, or as expressly permitted by law, or under terms agreed with the appropriate reprographics rights organization. Enquiries concerning reproduction outside the scope of the above should be sent to the Rights Department. Oxford University Press, at the address above. You must not circulate this book in any other binding or cover and you must impose this same condition on any acquirer. ISBN-13: 978-0-19-567072-1 ISBN-10: 0-19-567072-8 Illustrations by Blackleads Typeset in Aldine 401 BT Printed in India by Brijbasi Art Press, Noida 201301 and published by Oxford University Press YMCA Library Building, Jai Singh Road, New Delhi 110001 Basic computer literacy is imperative for success today. It is, therefore, vital to help children familiarize themselves with the use of computers from a very young age. We have created the Computer Science: Information Technology for Classes 1-8 series to fulfil that very purpose. While the books for classes 3-8 are revised editions of the earlier series, for classes 1 and 2 the books have been written afresh. Our principal aim in creating this series has been to kindle the interest of primaiy and middle school students in the subject. The second editions, including the books for classes 1 and 2, are presented in a larger, more user-friendly format. The books for classes 3-8 have been thoroughly revised to conform to the latest developments in the field. Also, the new NCERT guidelines and the syllabi of all the other boards have been carefully considered while preparing this revised edition. Each chapter in a book has plenty of illustrations and text supported by screenshots. The language used is simple and conversational avoiding technical jargon to the extent possible. Computer Science: Information Technology for Class 1 is the first book in the series. It covers fundamental aspects of computers and their uses in everyday life. The special features of this edition are given below: * Computer Manners presents computer etiquette using cartoon strips * Tricky Terms at the end of a chapter lists the important terms a student comes across in the chapter along with their definitions * Exercises questions learners on all aspects of conceptual theory covered in a chapter * In the Lab challenges students to apply the concepts learned to real- life situations * Teacher's Notes suggests creative ways to approach a chapter or difficult topic * Picture Dictionary at the end of the book for easy recognition of the objects learnt We invite critical feedback on this series, and would be happy to incorporate constructive suggestions in future editions. Sangeeta Pattchal Alka Sabharwal Contents ffffffffff Preface 3 1. A Computer 5 Computer--A machine 2. Parts of a Computer 9 Monitor CPU Keyboard Mouse 3. Uses of Computers 20 Playing games on a computer Typing Making drawings Solving sums Listening to music Watching cartoons and movies 4. Know your Keyboard 29 Keys Alphabet keys Number keys Space bar Enter key 5. Computer Mouse 39 Mouse pad The proper way Mouse pointer Mouse actions Picture Dictionary 50 TTT A Computer You must have seen many machines. Hi, I am Goggle. I am going to help you learn about computers. Computer--A machine Machines are man-made things which make our work easy. Refrigerator /if A crane is a machine found outside the house. It is used to lift and move heavy objects. A refrigerator is a machine usually found inside the house. It helps keep food and water cool. Color the machines in the picture. Mark a tick on the machines that are usually found outside the house. Use a pencil to join the dots and complete the picture. Then color it. This is a machine called a computer. A computer is a machine which helps us do many things, such as solve sums, draw pictures, listen to music, play games, etc. Can you help the child reach his computer without crossing any line? / N Keep the computer room clean and orderly. m m Trickv Terms TTTTTTTTTTTTTTTTT Machines They are man-made things which make our work easy. Computer It is a machine which helps us solve sums, draw pictures, listen to music, etc. Exercises TTTTTTTTTTTTTTTTT 1. Choose the correct word for each of the pictures. Write the first letter under that picture. oranges, cup, rabbit, parrot, tap, mango, umbrella, elephant Write this word four times to learn the spelling. 2. Fill in the blanks. A computer is a (machine/animal) A refrigerator is usually found the house, (inside/outside) 3. Mark a tick (/) for the correct statement and a cross (X) for the wrong one. A computer is not a machine. ( ) A crane is used inside the house. ( ) In the Lab TTTTTTTTTTTTT Visit the computer room to see computers. Also, go around the school to see other machines, such as water coolers, air conditioners, fans, etc. Parts of a Computer Introduction Our body has many parts. Similarly, a computer too has many parts. Label the body parts in the following, head, hand, foot, waist, knee A computer is made up of: * A monitor * A CPU * A keyboard * A mouse Monitor This is a monitor It looks like a TV You can see pictures on it. Join the dots from 1-20 and color the figure. 20 19 2$B!k(B MOV/BS 4< 5o- 12 -*11 13 10 '10 CPU This is a CPU. The CPU is the brain of a computer. Look at the numbers in the picture below. Nowr use the given color code to color the picture, 1 Grey 2 Blue 3 Green 4 Pink Keyboard This is a keyboard A keyboard has many keys on it. These keys are used for typing Write your name in the space provided. Thenr color the keys which have letters of your name. ab!*~ ^ Shift --<v $B!r(B=^ Enter -4_J t $B"#(B*- } \ / or Mouse This is a mouse. I once saw a mouse \r\ my house. It had a long tail. But this mouse \s different. The mouse with a computer can't run and eat. But it has a long tail. It helps us draw pictures and point to things on the computer monitor. The mouse in this picture doesn't know how to reach its computer. Can you show it the way? ComjpdAterMowters Keeping a computer eyetem covered is very Important. Monitor It looks like a TV and can be used to see pictures. CPU It is the brain of a computer. Keyboard It has many keys on it. These keys are used for typing. Mouse It helps us draw pictures and point to things on the computer monitor. Exercises TTTTTTTTTTTTTTTTT Choose the correct word for each of the pictures. Write the first letter of each under that picture. Then write four times to learn the spelling. M owlr star, umbrella, elephant, moon *Cz 14 ice cream, mango, rabbit, tree, nest, owl, oranges apple, key, yo-yo, rabbit, dog, bangle, oranges, ear pen, cake, umbrella 1 2. This is Gopu's family. Each member of this family is holding a part of a computer. Draw a line from the name of the part to the right person. One has been done for you. Keyboard Mouse Monitor $B"#(B CPU 3. Look at the pictures carefully. One part is missing in each picture. Join the dots to draw the missing part and color it. Also, write the name of the missing part. ikwvvg^ sv'Q'N\\\N 17 4. Join the dots from 1-50. Color using the following color code. CPU Monitor Mouse Keyboard Red Blue - - - Green 33$B!k(B /:/// / n \ w ]7<<-16* 18* 5. Match the names with the pictures. CPU Monitor Keyboard Mouse 18 &mg\ 6. Count the number of monitors, keyboards, CPUs and mouse. Then write the number in the correct box. Keyboard Mouse CPU Monitor In the Lab TTTTTTTTTTTTT Visit the computer room to see different parts of a computer. The teacher could point to the various parts and quiz the students to name those parts. Uses of Computers frftf Introduction We can listen to music, watch cartoons and movies, etc. on a TV A computer can do much more than that. In addition to listening to music and watching movies, a computer can be used to type, play games, make drawings and solve sums. (2(f Playing games on a computer --" i i i i i I i 1-- -- pU i -- _uuir $B!r(B CD Cricket Racing Chess Basketball Teacher's Tip The teacher could hold a class discussion on the different kinds of games that can be played on a computer. Children could also be asked how playing games on a computer is different from playing games in real life. 21 Typing Look at Anu! She is typing using the keyboard of a computer. We use paper and pencil for writing. Making drawings Tina \s drawing using a computer. Draw a flower on the monitor. Then color it. ComjpMter Monsters Often you may have to share a computer in the lab with your classmate. Share the computer and work together so that you can finish the work given to you by your teacher in time. Listening to music We car\ play songs and listen to music on a computer. ^j) Watching cartoons and movies Sunil and his friends are watching a cartoon on Sunil's computer. 26 Exercises 1. Look at the pictures. Each of them shows a different use of computers. Match each use with the correct picture. Solving sums Watching a cartoon Making drawings Playing games Listening to music Typing a letter 2. Look at the following pictures carefully. Something is wrong with each of them. Ring what is wrong. In the Lab Visit the computer room and learn how to play games, draw, and type using a computer. 28 Know your Keyboard Introduction A pencil or a pen is needed to write in a notebook. A pencil can't be used for writing on a computer. The keys on a keyboard are different from the keys used to open locks. Keys We can type by pressing keys on the keyboard of a computer. Copaioc* In this chapter, we will learn about the following keys: * Alphabet keys * Number keys * Space bar * Enter key 29 Alphabet keys sentences, gure. Only the alphabet keys are colored. ^S^;rsedfOTtypi~- ghtfy from the Your keyboard might look different one given here Color the letters of your best friend's name. ;,*'-: I POUM Sf" ftshitt 3 Insert Home Poge 1 UP OMM Poge / / / G Color the alphabet keys red. u \ F5 1" 1" / \ ' s ' s B Prill teww Sy*R<l [stroll Pou>>e ( v : < Capi Scroll Tatl*- i B Page Op Paoe Down 1/ I I MM -4--1 jlcT|V ml" >..==L. = 1 ,= FlOr Color the letters of your name. Esc Fl S F2 \ F3 s F12 ( Prtnl Screen MM ( POUM Brack tt $B!r(B^= I Trturl . =1 -=r 1 - Number keys The number keys are used for typing numbers. These keys are also known as numeric keys. Look at the following figure. Only the number keys are colored. Teacher's Tip The teacher should point out that there are two sets of numeric keys on a keyboard. To avoid confusion, the usage of the set which requires knowledge of the Num Lock key can be taught at a later stage. Color the keys which form the number 95. ill Scroll / ' tfs frs m>>rt Hem, Page Up Delete End Page Dovm t / . Color the numeric keys blue. F10 ' <h F3 Fll F12 r" -" $B"#(B;i-s Print Scieen SysRG | Scroll Break ) ' Imort t Page lip D=:=!= Page t **- \ - c ) J $B!r(B Color the keys which form the number 127. gr Iruort Delete V $B!r(Bs '>S Space bar The longest key on the keyboard is called the space bar. The space bar is used to insert blank spaces between two words or letters. Enter key This is the Enter key. The Enter key is pressed to move to the next lii 34 Teacher's Tip The teacher should point out that there are two Enter keys on a keyboard. The Enter key on the Num Lock pad is convenient to use when the calculator is being used. This is because while using the calculator only the keys on the Num Lock pad are the ones which are usually required. Color the keyboard according to the color code. Color code: Enter key Green Space bar Red <<r JOBS $B!r(B Screen SysRd ScroB Pause treak / Insert Homo Page Up Delete Eixi $B!r(B Down c t Caps Lock ^Shtft Computer Masuters The keys on a keyboard should be pressed gently. Hitting hard on the keys can break them. Tricky Terms TTTTTTTTTTTTTTTTT Alphabet keys They are used for Space bar It is used to insert typing words and sentences. blank spaces. Number keys They are used Enter key It is used to move to for typing numbers. the next line. Exercises TTTTTTTTTTTTTTTTT 1. Color the alphabet keys green, the number keys blue, the space bar red, and the Enter key yellow. Fl F2 w F7 | F8 6__ Screen SyiBd o m $B"#(Bfrshiff $B!r(B m h h / _ y t Count the number of keys of each type. Write the number on the dotted line? Alphabet keys Number keys Space bar Enter key 36 2. Match the key with the correct shape. Alphabet key Number key Space bar Enter key 3. Hold this picture in front of a mirror to find out what is written on it. Then fill in the blanks. K Write four times to learn the spelling. 4. Help the space bar reach its keyboard. Use a pencil to show it the way. Visit the computer lab and look at the keyboards attached to the computers. They may be slightly different from each other. Also, identify the various keys you have learnt about. Computer Mouse m bo you remember that the house mouse and a computer mouse are different? Introduction Look at the buttons on a computer mouse carefully. A computer mouse can have two or three buttons. 3? Mouse pad I sit on a chair. What does a computer mouse sit on? A computer mouse sits on a special seat called the mouse pad. uo The proper way There is a proper way of placing the computer mouse. The buttons of the mouse should always be pointing towards the computer system. The mouse should not be turned sideways. Look at this picture carefully. The mouse has been placed properly. There is also a proper way of holding a computer mouse. Let us number the fingers of our hands. These pictures tell us how to number the fingers. Left hand Right hand Teacher's Tip The teacher could point out that a left-handed child and a right-handed child would hold a computer mouse differently and, if possible, demonstrate it in class. 42 ) S?^^ Priya Arvind is right-handed and Priya is left-handed. How will each of them hold a computer mouse? This is how Arvind would hold a computer mouse. He would put finger 7 on the left button of the mouse and finger 8 on the right button of the mouse This is how Priya would hold a computer mouse. She would put finger 3 on the left button of the mouse and finger 2 on the right button of the mouse. Each picture shows the correct way of holding a computer mouse. One of them shows a right-handed person while the other one shows a left- handed person. Mark a tick (/) in the correct box beside them. Left-handed Right-handed Left-handed Right-handed Nowr color the pictures using the color code. Color Code: Left-handed Green i Right-handed Blue Mouse pointer Look at the children playing in the park. Rohit is pointing at Nivedita with his finger. How can you point at something on the computer monitor? 45 Do you notice that there is an arrow on the computer monitor? The arrow on the computer monitor is called the mouse pointer. When you move the mouse on the mouse pad, the mouse pointer on the monitor also moves. Mouse actions When you take a picture, the camera makes a 'click' sound. A 'click' sound is also heard when you press a button on the computer mouse. This is called clicking the mouse. 47 Trickv Terms TTTTTTTTTTTT TTT TT Mouse pad It is a special seat Mouse pointer It is the arrow for the computer mouse. on the computer monitor. Exercises 1. Find out which CPU each mouse belongs to. Then color each CPU the same color as its mouse. 2. Which of these pictures shows the correct way of holding a computer mouse. Put a / in the box beside it. Put a X beside the one that is wrong. 3. Color the house mouse brown and the computer mouse grey. Visit the computer lab and look at the mouse attached to the computers. They may be slightly different from each other. The teacher can demonstrate the various mouse actions like moving a computer mouse, clicking a computer mouse, etc. , "49) Picture Dictionary Alphabet keys 50 omputer system CPU Enter key Keyboard Mouse pad 51 ____ Join Access India convention: For updates on it visit: http://accessindia.org.in/harish/convention.htm Registration is now open! To unsubscribe send a message to [EMAIL PROTECTED] with the subject unsubscribe. To change your subscription to digest mode or make any other changes, please visit the list home page at http://accessindia.org.in/mailman/listinfo/accessindia_accessindia.org.in
