Flipp Book Class 3 online

Typing Session -1 Aaa ;;; sss lll ddd jjj fff aaa ;;; sss ddd kkk fff jjj aaa ;;; sss lll ddd kkk fff jjj aaa ;;; sss lll ddd jjj fff aaa ;;; sss ddd kkk fff jjj aaa ;;; sss lll ddd kkk fff jjj a;s slf ffjj ddkk ssll aa;; ;;aa llss kkdd jjff ddkk ssll aa;; aaa ;;; sss ddd kkk fff jjj aaa ;;; sss lll ddd kkk fff jjj a;s slf ffjj ddkk ssll aa;; ;;aa llss kkdd jjff ddkk ssll aa;; Typing Session -2 Hh gg hh ggg hhh ggg hhh ggg hhh ggg Hh gg hh ggg hhh ggg hhh ggg hhh ggg Hh gg hh ggg hhh ggg hhh ggg hhh ggg Hh gg hh ggg hhh ggg hhh ggg hhh ggg Hh gg hh ggg hhh ggg hhh ggg hhh ggg Hh gg hh ggg hhh ggg hhh ggg Page Keyboard Typing 46

hhh ggg Hh gg hh ggg hhh ggg hhh ggg hhh ggg Hh gg hh ggg hhh ggg hhh ggg hhh ggg Typing Session -3 Top Row WE R OI O Q P Qqq ppp qqq ppp qqq ppp qqq ppp qqq ppp qqq ppp qqq ppp qqq ppp www ooo eee iii www ooo eee iii www ooo eee iii www ooo eee iii eee iii eee iii eee iii eee iii eee iii eee iii eee iii eee iii eee iii eee iii eee iii eee iii eee iii eee iii eee iii eee iii eee iii eee iii eee iii rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu Qqq ppp qqq ppp qqq ppp qqq ppp qqq ppp qqq ppp qqq ppp qqq ppp www ooo eee iii www ooo eee iii www ooo rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu rrr uuu Page Smart Computer Science Book-3 47

Typing Session -4 tt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy ttt yyy qwert poiuy qwert poiuy qwert poiuy qwert poiuy qwert poiuy qwert poiuy qwert qwert poiuy qwert poiuy qwert poiuy qwert poiuy qwert poiuy qwert qwert poiuy qwert poiuy qwert poiuy Typing Session -5 (Bottom row) XCV M, . Z / Zzz ,,, zzz ,,, zzz ,,, zzz ,,, zzz ,,, zzz ,,, zzz ,,, zzz ,,, zzz ,,, zzz ,,, zzz ,,, zzz ,,, zzz ,,, zzz ,,, zzz ,,, zzz ,,, zzz ,,, zzz ,,, zzz ,,, zzz ,,, zzz ,,, zzz ,,, zzz ,,, zzz ,,, zzz ,,, zzz ,,, zzz ,,, Page Keyboard Typing 48

zzz ,,, zzz xxx mm xxx mm xxx mm xxx mm xxx mm xxx mm xxx mm xxx mm xxx mm xxx mm ccc nnn ccc nnn ccc nnn ccc nnn ccc nnn ccc nnn ccc nnn ccc nnn ccc nnn ccc nnn vvv bbb vvv bbb vvv bbb vvv bbb vvv bbb vvv bbb vvv bbb vvv bbb vvv bbb vvv bbb vvv bbb vvv bbb vvv bbb vvv bbb zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn zxcvb /.,mn Typing Session -6 The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy dog. Page Smart Computer Science Book-3 49

Points to Know • Keyboard is the basic input device of the computer which consists of number keys. • Most of the keyboard keys are arranged in QWERTY arrangement. • The keys which have numbers from 0 to 9 are called number keys. • You can type both the capital letters and small letters using alphabet keys • The Shift key is the keyboard modifier key that allows the user to type a single capital letter. • If you get ‘on’ the ‘Caps Lock’ key, all the letters which you type appears in the capital letters. • Function keys are ‘F1’ to ‘F12’ arranged on the top of the keyboard. • Punctuation keys are used to put the punctuation marks. • The cursor is a small blinking material on the screen of the monitor. • Cursor indicates the location of the next letter to be typed. • Cursor control keys are used to move the cursor to any one of the four directions that is up, down, left and right. • Symbols refer to +, -, % , $ etc. which are used in the text as well as in number. • Special keys refer to Enter, Backspace, Delete, Space bar and Shift key. • Enter key is used to move the cursor to the next line. It also shows the end of the instruction. • Backspace is used to erase a character from the left hand side of the cursor position. • Delete key is used to erase a character from the right hand side of the cursor position. • Spacebar is used to leave the blank space between letters, numbers or symbols etc. • Touring the keyboard means to type without looking on the keyboard. Page Keyboard Typing 50

Terms to Know Cursor : Small blinking material on the screen. Punctuation : Marks as comma, semicolon, full stop, etc. Information : Typed things on the computer or result out by the computer. Command : Order to do some work. Alphabet : Twenty six roman letters Input : Entering something into the computer Device : A unit of physical hardware. Instruction : Asking to do something. Worksheet Objective Questions : shift 1. Fill in the blanks with suitable Words: input enter cursor function punctuation 0 to 9 QWERTY a. Keyboard is a basic ............................... device of the computer. b. Most of the keyboard keys are arranged in QWERTY arrangement. c. The keys which have numbers from ........................ are called numbers keys. d. The ..................... key is the keyboard modifier. Page Smart Computer Science Book-3 51

e. .............................. keys are arranged in the top of the keyboard. f. .................................... keys are used to put the marks such comma, question marks, etc. g. The ............................. is a small blinking material on the screen of the monitor. h. ......................... keys are used to move the cursor to the next line. 2. Write 'T' for true and 'F' for false statements: a. There are two sets of number keys on the keyboard. b. You have to get 'on' the Num Lock key to operate the keys arranged on right hand side of keyboard. c. If the 'Num Lock' is 'on', the indicator light glows. d. By default, simply you type on the keyboard, you will get in the capital letters. e. The Shift key allows to type single capital letter. f. All the typed letters appear in the small letters if 'Caps Lock' is 'on'. g. You can see two Shift keys on the keyboard. h. F1 to F12 represents special keys. Page Keyboard Typing 52

i. Symbols keys are used in text as well as in numbers. j. Enter key is pressed to show the end of instruction. k. Backspace is used to erase anything typed on right hand side of the cursor position. l. Space bar key is located on the top of the keyboard. m. Del is used to erase anything typed on right hand side of the cursor position. 3. Select the correct answer : a. Which one is function key ? i) F1 ii) F8 iii) F5 iv) All of these b. Eraser keys are: i) Back space ii) Del iii) Both i) and ii) iv) None of these c. Which key will you use to display upper symbols of key having two symbols? i) Caps Lock ii) Shift iii) Num Lock iv) None of these d. Special keys refers to : i) Del ii) Shift iii) Enter iv) All of these Page Smart Computer Science Book-3 53

e. Which key will you press or 'ON' to display alphabetic character in capital letter. i) Caps Lock ii) Shift iii) Num Lock iv) None of these f. Symbol keys mean : i) % ii) # iii) $ iv) All of these g. Punctuation keys are : i) ! ii) * iii) $ iv) All of these h. To erase typed matter on the right hand side of the cursor position: i) Del Key ii) Back Space iii) Enter key iv) None of these i. Punctuation keys are : i) ! ii) * iii) $ iv) All of these j. How many cursor control keys are there on the keyboard? i) 26 ii) 4 iii) 3 iv) 2 k. End of instruction is indicated by: i) Spacebar ii) Delete Key iii) Enter iv) None of them l. Which key do you use to add space between characters? i) Spacebar ii) Delete Key iii) Enter iv) All of them Page Keyboard Typing 54

Descriptive Questions 1. Answer the following questions: a. What is keyboard? Ans: .................................................................................. .......................................................................................... .......................................................................................... .......................................................................................... b. List out the types of keys. Ans: .................................................................................. .......................................................................................... .......................................................................................... .......................................................................................... c. What do you mean by alphabet key? Ans: .................................................................................. .......................................................................................... .......................................................................................... Page Smart Computer Science Book-3 55

d. What is Shift key? Ans: .................................................................................. .......................................................................................... .......................................................................................... .......................................................................................... e. What is Caps Lock key? Ans: .................................................................................. .......................................................................................... .......................................................................................... .......................................................................................... f. Why do you use punctuation keys? Ans: .................................................................................. .......................................................................................... .......................................................................................... .......................................................................................... g. What are the special keys? Page Keyboard Typing 56

Ans: .................................................................................. .......................................................................................... .......................................................................................... .......................................................................................... h. What are the special keys? Ans: .................................................................................. .......................................................................................... .......................................................................................... .......................................................................................... i. What is the space bar? Ans: .................................................................................. .......................................................................................... .......................................................................................... .......................................................................................... j. What do you mean by touring the keyboard? Ans: .................................................................................. Page Smart Computer Science Book-3 57

.......................................................................................... .......................................................................................... .......................................................................................... Analytical Case Study Questions 1. Shankar Bhatta has to type some numbers from the keyboard frequently. a. How many set of numbers key would be in his keyboard? b. How would he use set of numbers key located on the right hand side of the numbers? 2. Mingma wants to type a story about the 'King of jungle'. Which type of keys does he use to do this work ? 3. Ghanashyam Dahal is a typist at a school. a. If he has to type a single character in capital, how will he perform this task? b. If he got a task to type a paragraph in capital letter, how do you suggest to type this task in capital letters? 4. Lanku Chaudhary has to type a document. During this typing, he has to do different works such as: a. If he has to move the cursor in different four direction, how should he do this work? b. If he has to erase some texts, how will he perform this task with keyboard? Page Keyboard Typing 58

c. If he has to tell the computer that instruction is completed, how would he perform this task? d. If he has to add some spaces between letters, numbers, symbols or words, how would he do this task? Activities-1 1. Color the two sets of the number keys in red color in the following picture of the keyboard. 2. Color the function keys in yellow color in the following picture of keyboard. Page Smart Computer Science Book-3 59

Activities-2 1. Color the alphabet keys with blue color in the following picture of keyboard: 2. Color the following keys with respective colors: • Symbols Keys in red color • Shift keys in blue color • Special keys in yellow color • Punctuation keys in purple color • Cursor keys in green color Page Keyboard Typing 60

Lab Activities 1. Visit your computer lab and find the following types of keys in your keyboard: • Cursor keys • Number keys • Symbol keys • Alphabet keys • Special keys • Function keys • Punctuation keys 2. Start the wordpad or notepad and practice typing one page for each of the following : • Number keys 12345 09876 12345 09876 • Alphabet keys of home row as : asdfg ;lkjh ;asdf; lkjh • Alphabet keys of top row as : qwert poiuy qwert poiuy • Alphabet keys of bottom row as : zxcvb /., mn zxcvb /.,mn 3. Start your typing tutor software and practice: 4. Start the wordpad or notepad and practice typing one page for each of the following topic: a. Computer changes our lives. b. Domestic animals are more kind c. Wild animal may cause danger. d. Our National Flag e. National Festivals Page Smart Computer Science Book-3 61

CHAPTER Basic Working Principle 4 Lakpa : How do you maintain your personal hygiene, Mr. Computer ? Computer : I am a Machine. I can not care mine myself. You should care mine. Lakpa : Wow, that's great Mr. Computer! Is there any ceratin rules to start up and close down to you? Computer : Of course, you must follow certain steps for this. Lakpa : Ok, Mr. Computer, you have to tell in details about your care. Computer : Sure, Let's go ahead. Page Basic Working Principle 62

Computer should be handled very carefully since it is a delicate machine. It is very important to learn how to operate the computer before starting work. You should learn the proper way of starting and shutting down the computer. HOW TO STARTUP THE COMPUTER 1. Switch on the power switch. 2. Switch on the UPS. 3. Switch on the CPU. 4. Switch on the monitor. Page Smart Computer Science Book-3 63

Now following screen appears on the monitor that is called desktop. HOW TO OPEN OTHER PROGRAMS For Windows 7 Step-1 : Click on 'Start' button Step-2 : Click on 'All Programs' Step-3 : Select the desired program folder eg. 'Ms- Word'. Step-4 : Click on desired Microsoft Office Program Page Basic Working Principle 64

For Windows 10 Step-1 : Type name of program in 'Type here to search' box. Here it is typed 'tux paint' Step-2 : You get the Program App. Step-3 : Click the App. COMPUTER LAB ETHICS Make a queue while going to the computer lab. Put off your shoes outside the computer lab. Page Smart Computer Science Book-3 65

Obey to your teacher's instructions and be disciplined. Work in group. Don't make noise. Don't throw rubbish papers. Operate the computer gently. Page Basic Working Principle 66

Don't play music in high volume. COMPUTING ETHICS • Treat the computer like your close friend. • Press the keys gently. • Use the mouse button very gently. • Use the mouse on the mouse pad. • Do not change the original setting on the computer. • Try to finish your work on time because some others may be waiting for their turn. • Don not eat anything near the computer. Eatables attract insects and rats. They can damage the cables and other parts. • Help other friends if you already know the work. • Do not use others pen drives and memory card. They may spread virus in the computer • Do not try to break any password in the computer. Page Smart Computer Science Book-3 67

HOW TO SWITCH UP THE COMPUTER Steps to Follow: Step-1 : Using the left mouse button, click the ‘Start button’. Step-2 : Click the Power button. Step-3 : Then click on ‘Shut down’ . Step-4 : Switch off the monitor. Step-5 : Switch off the UPS. Step-6 : Switch off the main power switch. Page Basic Working Principle 68

Points to Know • To start up the computer do the following steps: - Switch on the power supply->UPS->CPU-Monitor • To shut down the computer - Click on the 'Start' -> 'Shut down'. - Switch off the monitor and the UPS . • We must follow the computer lab rules and computing ethics. Terms to Know Menu : The list of option displayed on the screen from where one or more option can be selected. UPS : Device which controls the voltage and supply the electricity immediately when power goes off suddenly. Shut-Down : Close all the programs and switch off the computer Switch-on : Turning or pushing a button of electric power. Password : Secret word which is used to log into the computer. Virus : Computer program harm computers. Ethics : Good things to do Page Smart Computer Science Book-3 69

Worksheet Objective Questions 1. Write 'T' for true and 'F' for false statements: a. Tell to others if you already known the work. b. Break any password in the computer. c. Don't eat anything near the computer d. We should make noise and play music in high vol- ume. e. We should change original setting in the computer. f. Treat the computer like our close friend. g. Put off your shoes outside the computer room. h. Don't make a queue while going to the computer Lab. Descriptive Questions 2. Answer the following questions: a. Write the correct order to start up the computer: Ans : .................................................................................. Page Basic Working Principle 70

.......................................................................................... .......................................................................................... .......................................................................................... b. Write the correct order to shut-down the computer. Ans : .................................................................................. .......................................................................................... .......................................................................................... .......................................................................................... c. What are the computing ethics? Ans : .................................................................................. .......................................................................................... .......................................................................................... .......................................................................................... d. What are the computer lab room ethics? Ans : .................................................................................. .......................................................................................... Page Smart Computer Science Book-3 71

.......................................................................................... .......................................................................................... e. Write the steps to open other programs. Ans : .................................................................................. .......................................................................................... .......................................................................................... .......................................................................................... Page Basic Working Principle 72

5 B OCHAPTER asics of perating System Lakpa : Hello,Mr. computer! Now, without help of any one I can start and shut down the computer. But I could not find out your mysterious activities every time of switch on. Computer : What are those activities ? Lakpa : Changes the startup process that can’t be read properly. I am unknown about it. Computer : Oh! That is due to the operating system, it controls the overall activities of your computer. Page Smart Computer Science Book-3 73

When you switch on a computer, you can see a lot of changes on the screen at high speed. These changes are possible due to operating system. The operating system is the most essential system software. It manages the operation of the computer. It enables the user to interact with the computer. Without operating system, it is not possible to use the computer. So it can be said that the operating system is the life of the computer. It makes the computer ready to use. There are two types of operating system. • Single user operating system • Multiple user operating system Single User System Only one person can work at a time in the single user operating system. For example, computer used at home is a single user system. Single user operating system software is used in single user system. MS-DOS, Windows 98 are examples of popular single user operating system. Page Basics of Operating System 74

Multi-user System Many computers are connected to the main computer called computer network. Computer network is called multi-user system. All the users are connected to one main system in multi- user system. Multi-user system is used in offices as hospital, airlines, banks etc. Windows NT, UNIX, Linux are examples of popular multi user operating system. MICROSOFT WINDOWS Microsoft Windows is one of the most widely used operating system developed by Microsoft Company in the USA. It manages the working of a computer and allows you to work in the computer. When you switch on the computer, the Windows operating system gets loaded into the computer memory Page Smart Computer Science Book-3 75

automatically that is called booting or startup the computer. While loading windows, the picture of the 'Starting Windows flag' will appear on the screen. DESKTOP AND ICONS When you switch on your computer, within a few seconds the windows flag appears, then you will see the screen on the monitor with some small pictures. This screen is called desktop and these small pictures are called icons. ICONS ON THE DESKTOP Small pictorial symbols seen on the desktop are called icons. These icons represent programs, files and folders. You can open them by double clicking on it using the left mouse button. It is called executing the program or open Page Basics of Operating System 76

the program. The most common icons of the desktop are: 1. This PC/ My Computer 2. Recycle Bin 3. User's Files 4. Network 5. Control Panel Trick & TIPS You can open the program from the desktop by clicking the left mouse button once on the icon and then pressing the ‘Enter’ key. Or Clicking twice on the selected icon. TASKBAR The taskbar is a long horizontal bar which is placed at the bottom of the desktop. It contains buttons with icons, which represent the programs that are open on the system. It contains also 'Start' button and time indicator program. Program can be pined in the taskbar which helps to access program easily. Page Smart Computer Science Book-3 77

Indicators Start Button The ‘Start’ button is the object located at the left corner of the taskbar. It is used to start any program. It contains ‘Start menu’.Clicking on the ‘Start’ button will display the menu called ‘Start menu’. Moving the mouse pointer on the program menu option and click to open the program. Page Basics of Operating System 78

Trick & TIPS By pressing the windows key on the key board, you can open the ‘Start menu’. SHUTTING DOWN THE COMPUTER Steps to Follow: Step-1 : Using the left mouse button, click on the ‘Start button’., Step-2 : Click the Power button. Step-3 : Then click on ‘Shut down’. Page Smart Computer Science Book-3 79

Points to Know • An operating system is the most essential system software that manages the operation of a computer. • Operating System enables the user to interact with the computer. • Operating System can be said that the operating system is the life of the computer. • Only one person can work at a time in the single user operating system. • Many computers are connected to the main computer called computer network. • Computer network is called multiuser system. • Microsoft Windows is one of the most popular operating system, developed by Microsoft Company in the USA. • Screen appears with some icons after switching on the computer is called desktop. • Small pictorial symbols seen on the desktop that represent programs or software, files and folders are called icons. • The taskbar is a long horizontal bar appears at the bottom of the desktop. • The ‘Start’ button is located at the left corner of the taskbar. It is used to start any program Terms to Know Software : Set of programs which perform certain task in computer . Desktop : Screen appears after switch on computer and loading operating system the computer. Icons : Small pictorial symbols seen on the desktop. Folder : Container in which contains files and folders. Taskbar : The long horizontal bars seen at the bottom of the desktop. Page Basics of Operating System 80

Worksheet Objective Questions 1. Fill in the blanks with suitable Words: Microsoft Network Multi User Single user Task bar Operating System Icons Desktop a. ......................... is a system software that manages the op- eration of a computer. b. Computer network is called .......................... system. c. Many computers are connected to the computer called ...................... . d. Windows is developed by .................................... company. e. Unix is example of .................................. operating system. f. Windows 98 is an example of ............................ operating system. g. ............................ is a first screen with some icons after starting up the computer. h. Small pictorial symbols that appeared on the desktop are called ............................ i. ....................... is a long horizontal bar which is placed at the bottom of the desktop. Page Smart Computer Science Book-3 81

2. Write 'T' for true and 'F' for false statements: a. Single user operating system is generally used at home. b. Operating system enables the user to interact with the computer. c. Operating system is the soul of the computer. d. There are two types of operating system. e. Only one person can work at a time in the single user operating system. f. MS-DOS is an example of multiuser operating system. g. Microsoft Windows is an operating system. h. Linux is an example of single user operating system. i. Multi user system is used in offices like hospital, airlines, bank, etc. j. Windows manages the working of a computer and allows you to work in the computer. k. Start button is used to start any program. l. Small pictorial symbols seen on the desktop represents operating system Page Basics of Operating System 82

3. Select the correct answer: a. Double clicking ....................... mouse button on any icon opens program, file or folder on the desktop. i) Left ii) Right iii) Both (i) & (ii) iv) None of them b. Which one is the single use operating system ? i) MS-DOS ii) Windows 98 iii) Both (i) & (ii) iv) None of them c. Which one is the multi user operating system ? i) Linux ii) Unix iii) Windows NT iv) All of them d. Icons represent : ii) File i) Program iv) All of them iii) Folder e. Taskbar is placed at the : i) Bottom ii) Left iii) Top iv) Right f. Start button is located at the .......................... of the task bar : i) bottom ii) left iii) right iv) None of them g. While loading the windows, the picture of the starting windows ........................ will appear on the screen: i) desktop ii) icons iii) Flag iv) None of them Page Smart Computer Science Book-3 83

Descriptive Questions : 1. Answer the following questions: a. What is the operating system ? Ans: .................................................................................. ........................................................................................... ........................................................................................... ........................................................................................... b. Why is it said that the operating system is the life of the computer? Ans: .................................................................................. ........................................................................................... ........................................................................................... ........................................................................................... c. What do you mean by the single user system? Ans: .................................................................................. ........................................................................................... Page Basics of Operating System 84

.......................................................................................... .......................................................................................... d. What do you mean by the multi user system? Ans: .................................................................................. .......................................................................................... .......................................................................................... .......................................................................................... e. What is the computer network? Ans: .................................................................................. .......................................................................................... .......................................................................................... .......................................................................................... f. What is the Microsoft Windows? Ans: .................................................................................. .......................................................................................... .......................................................................................... Page Smart Computer Science Book-3 85

.......................................................................................... g. What is the desktop? Ans: .................................................................................. .......................................................................................... .......................................................................................... .......................................................................................... h. What do you mean by icons? Write the common icons names of the desktop. Ans: .................................................................................. .......................................................................................... .......................................................................................... .......................................................................................... i. What is the taskbar? Ans: .................................................................................. .......................................................................................... .......................................................................................... Page Basics of Operating System 86

.......................................................................................... j. What are contained in the taskbar? Ans: .................................................................................. .......................................................................................... .......................................................................................... .......................................................................................... k. What is the start button ? Why do you use it ? Ans: .................................................................................. .......................................................................................... .......................................................................................... .......................................................................................... l. What do you mean by booting of the computer? Ans: .................................................................................. .......................................................................................... .......................................................................................... .......................................................................................... Page Smart Computer Science Book-3 87

Case study Analytical Questions : 1. Raghubir Mahaseth has purchased a new computer set for his son Sadhu Ram Mahaseth. a. Which type of operating system should Sadhu Ram install, single user or multi user ? b. After installing the operating system, which type of system should buildup? c. After starting up the computer, Sadhu Ram got the desktop, icons, task bar, and start button. Which operating system was installed by him ? 2. Rabikanta Chaudhary's father has established a business office . He has purchased 20 computers for his office. a. Which type of computing system should Rabikanta's father build up ? b. Which type of operating system should he install for this system ? 3. Anjali Mukhiya has started up her computer and got the desktop. a. She is interested to open some program, What should she do? b. Finally, she has to switch off her computer, how should she do this task ? Page Basics of Operating System 88

CHAPTER 6 More Fun with Tux Paint Lakpa : Tux Paint gives very fun. But, Mr. Computer, I cannot draw good drawing. Computer : Don't worry Lakpa. Tux Paint has more features which help to draw good drawing. Lakpa : That's good. Please tell me Mr. Computer. Computer : That is Stamp Tool, which gives very fun for drawing. It lets you place ready made pictures and scenes in the drawing. Lakpa : Wow, It's great ! Are there any other more features, Mr. computer ? Computer : We can create story board and slide show through story board to make fun. Let's start . Page Smart Computer Science Book-3 89

INTRODUCTION You have learnt to draw, color and paint using Tux Paint program in class 2. Now, we learn advance in Tux Paint. Starting TUX Paint Step-1 : Double click in the shortcut icon of Tux paint from desktop. or Step-1 : Type Tux paint in Search box. Step-2 : You get two options of Tux paint App., one is Full Screen and another is windowed view. Step-3 : Double click on any one option. You get Title screen as given: Page More Fun with Tux Paint 90

Step-4 : After few seconds or pressing Enter key, You get the first Screen of Tux Paint as given: Drawing Canvas Selector Toolbar Help Panel Color Palate STAMP TOOL This Tool is as like as a rubber stamp. This Tool is used to paste ready-made image, for example: car, tree, animals, birds, earth, instruments, etc. on the drawing area. Let's see the following screen : Page Smart Computer Science Book-3 91

Do the following steps to use the Stamp Tool: Steps to Follow: Step-1 : Click the 'Stamp Tool' on Toolbar. You get a list of stamps on the right hand side of the selector panel. Step-2 : Use the left and right arrow button to get varieties of stamps such as plants, animals, vehicles, birds, etc. Step-3 : Click on a desired stamp and move the mouse around the drawing area. The outline of the stamp follows movement of the mouse which shows the size and location to place. Page More Fun with Tux Paint 92

Step-4 : Click the 'Control Tools' located at the buttons of the stamp panels. These Tools help to flip vertically, display mirror image and increase or decrease the size of image. Step-5 : Click on the desired place of drawing area to place the image. Page Smart Computer Science Book-3 93

Trick & TIPS You can place multiple images of the same stamp on your canvas. To stop, click the any other stamp or tool. • Sound Tool is located just lower the left corner . It is used to replay the sound effects or descriptive sound. • If you want to disable sound effects, press Alt+S from the keyboard. • Some stamp can or can not be colored. If the color pallet appears below the drawing area when you select the stamp, you can click the desired color to change the color of the stamp. If color pallet is not displayed, you can not change the color. CREATING STORY BOARD Storyboard is a series of pictures placed in the proper order that tells a story. Let's create a story board about the story of the King of Jungle and rabbit. Page More Fun with Tux Paint 94

Create the First Picture: Step-1 : Start the Tux Paint Step-2 : Click 'New' Tool. Varieties of background colors will appear. Step-3 : Select the light green background and Press Enter key or click the 'Open' button. Step-4 : Select suitable pictures using Stamp Tool, set in required size, change the direction and place the image in right place of the Canvas. Step-5 : Select the Text Tool and type text as shown. . Step-6 : Click the 'Save' button. Page Smart Computer Science Book-3 95