Digital book Class 4 2nd edition

number of options on it, such as File, Edit, Search, etc. Whenever you click at any ‘Menu tab’, a pull down menu opens up. Minimize button: It is used to minimize the window into a button on the ‘Taskbar’. If you click once on this button, window will be minimized and transfer as button on the ‘Task bar’. Maximize button : If the window is small, clicking on this button increases the size of window and fit to the full screen. Restore button: When you maximize the window, the maximize button changes to ‘Restore button’. Clicking on the ‘Restore button’, it restores into its original size. If you click on this button, you will get the original size of the window. Close button : It is used to close the window. When you click on this button, the ‘Paint window’ will be closed. Scroll Bars The scroll bar helps you to either move up or down in a window is known as 'Vertical Scroll Bar'. The scroll bar which helps you to move either in the left or right side of the window is known as the ‘Horizontal Scroll Bar’. Status Bar A status bar is a small area at the bottom of a window. It is used by Page Microsoft Windows 46

some applications to display helpful information for the user. Resize Corner Resize corner is known as the corner of bottom right corner. It is used to increase or decrease the size of the Window proportionally . Folder and files When you double click the hard disk drive icon from ‘This PC’ dialog box, a window shows a list of files and folders of the hard disk drive. Here it is clicked disk of D: drive Folder Page A folder is a container for programs and files in windows. 47 It is used to store a group of files with data on the same subject. A folder can contain files and folders. Smart Computer Science Book-4

Creating a folder You can create a folder either from desktop or explore. To create a folder from the desktop, follow these steps. Steps to Follow: Step-1 : Right click on the vacant place of desktop. Step-2 : Select ‘New’ option. Step-3 : Type the folder name. Step-4 : Click once outside. Or press Enter key. Renaming the File or a Folder Steps to Follow: Step-1 : Select the file/folder which you want to rename. Step-2 : Right click on selected file/folder’. Step-3 : Choose ‘Rename’ option. Step-4 : Type new name and press Enter key or click once outside the folder. Deleting the File or Folder Steps to Follow: Step-1 : Select the file/folder which you want to delete. Step-2 : Right click on the folder or file and choose ‘Delete’ option from the context menu. Page Microsoft Windows 48

Tricks & TIPS A quick way to delete items is to drag it to the ‘Recycle Bin’. Recycle Bin is a folder that stores deleted files until they are finally removed from your hard disk. File Any information stored in the computer is in the form of file. Each file is given a name called ‘Filename’ which is useful to identify the file. A file in windows is similar to a file used by you to store test papers, special assignments, etc. So, a file can be defined as a collection of related information that is given a name and stored on a disk. A file can contain data, information, programs, etc. There are different types of files like sound files, movie files, document files, program files, etc. Changing the Wallpaper The background of the ‘Desktop’ is called the wallpaper. To change the wallpaper, follow the following steps: Steps to Follow: Step-1 : Right Mouse Click on the desktop. You get context menu. Smart Page Computer Science Book-4 49

Step-2 : Select the 'Personalize' option. You get a dialog box. Step-3 : Select the desired picture. Step-4 : Finally, close the dialog box. Changing the Screensaver A screen saver is an animated image that is activated on a personal computer display when no user activity has been sensed for a certain time. The steps for changing the screensaver are: Steps to Follow: Step-1 : Right Mouse Click on the desktop. You get context menu. Page Microsoft Windows 50

Step-2 : Select the 'Personalize' option. You get a dialog box. Step-3 : Click the Lock Screen. Step-4 : Find and click the 'Screen Saver Settings'. You get the screen saver setting dialog box as given. Step-5 : Set the appropriate parameters from dialog box. Step-6 : Click the 'Apply' button. Step-7 : Click the 'Ok' button. Tricks & TIPS • The screensaver starts if your computer is idle for the number of minutes specified in the ‘wait’ box. • To stop the screensaver, move the mouse pointer or press any key from the keyboard. Smart Page Computer Science Book-4 51

Points to Know • Microsoft Windows is one of the most popular operating system. • After switch on, the displayed screen is called desktop. • The small pictures shown on your desktop are known as ‘Icons’. • The taskbar is a long horizontal bar which is placed at the bottom of the desktop. • The ‘Start’ button is located at the left corner of the taskbar. • Window is a rectangular frame which appears after opening any program. • A folder is a container for programs and files in windows. • File is a collection of related information that is given a name and stored on a disk. • The background of the ‘Desktop’ is called the wallpaper. Terms to Know Window : A separate viewing area on a computer display screen Windows : Operating system developed by Microsoft company Desktop : Working surface of Windows organized with program icons Icon : A small graphical representation of a program or file Folder : A storage space where many files and sub folders can be placed into groups File : A collection of data or information that has a name Worksheet Objective Questions title bar window Windows Icons folder This PC Microsoft Start 1. Fill in the blanks: a. Windows is one of the most popular operating systems developed by. ................................... Page Microsoft Windows 52

b. The small pictures shown on desktop are known as............................ c. .................... button contains start menu along with many options. d. By pressing the ............................ key, you can open the Start menu. e. ........................ icon represents whole computer system. f. A separate viewing area on a computer display screen is called ........................... g. The menu bar is located just below of ........................... h. A ............................ is a container for program and files in windows. 2. Write 'T' for true and 'F' for false statements: a. First version of Windows was Windows 3.1. b. After starting up computer, the screen appears is called desktop. c. Icon represents a program or folder. d. The Start button is located at the left corner of the taskbar. e. The title bar is located below the of menu bar. f. The background of the desktop is called wallpaper. g. A folder may contain another folder. h. Screen Saver starts when you are working in the computer i. If you press any key or moving mouse, screen saver will stop. j. Recycle Bin is a folder that stores deleted files. Smart Page Computer Science Book-4 53

3. Match the following a. Minimize button b. Maximize button c. Restore button d. Close button e. Start button Descriptive Questions 1. Answer the following questions: a. What is windows? Ans: ............................................................................................................................. ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... b. What do you mean by executing the program? Ans: ............................................................................................................................. ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... c. What is task bar? What does it contain? Ans: ............................................................................................................................. ..................................................................................................................................... Page Microsoft Windows 54

..................................................................................................................................... ..................................................................................................................................... d. What is file? Ans: ............................................................................................................................. ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... e. What do you mean by screen saver? Ans: ............................................................................................................................. ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... f. What do you mean by Window? Ans: ............................................................................................................................. ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... g. Why do you set screen saver? Ans: ............................................................................................................................. ..................................................................................................................................... ..................................................................................................................................... ..................................................................................................................................... Smart Page Computer Science Book-4 55

Case Study and Application-based Questions: 1. Dharma Dutta Devkota has created a lot of files and folders on the desktop. He wants to remove unnecessary files and folders from his computer, what would Dharma Dutta do for this case? Ans: ............................................................................................................................. ..................................................................................................................................... 2. Ram Janam Chaudhary has created a folder name 'RAM' but he is interested to make 'RAMJANAM' but he doesn't have any idea. What would you suggest Ram Janm for this case? Ans: ............................................................................................................................. ...................................................................................................................................... 3. Jokhani Marik wants to display beautiful animated image on the monitor, when her computer is idle for certain time. For this case, which feature would you like to suggest Jokahni? Ans: .............................................................................................................................. ...................................................................................................................................... 4. Your computer's state is on but you are not working in the computer. It has started to animate the image as given in the picture. a. Which feature is activated now? Ans: ............................................................................. ...................................................................................... ........................................................................................... b. How would you come back in normal position to work? Ans: ............................................................................................................................. ..................................................................................................................................... Page Microsoft Windows 56

Lab Activity a. Create a folder 'COMPUTER PROJ- ECT' on the desktop. b. Open the folder 'COMPUTER PROJECT' that you have created. c. Create four folders 'FIRST TERM', 'SECOND TERM', 'THIRD TERM' and 'FOURTH TERM'. d. There is not the fourth term. So, delete it. e. Now, change the folder name as follows: • 'FIRST TERM' to 'FIRST PROJECT' • 'SECOND TERM' to 'SECOND PROJECT' • 'THIRD TERM' to 'THIRD PROJECT' f. Set the desired wall paper on the desktop. g. Set the desired screen saver. Smart Page Computer Science Book-4 57

CHAPTER 5 Painting & Drawing LEARN and ACT Students : Wow! It looks very interesting. What is the learning objective of this lesson? Teacher : Well ! In this lesson, we get the advance knowledge of MS- Paint. We develop the skill and technique to create real time drawing. We will be able to create poster, scenario, company logo, etc. INTRODUCTION Microsoft Paint is a basic drawing and painting accessories software that is included in all the Microsoft Windows versions. MS Paint can be used to draw, color, paint and edit pictures, including imported pictures from a digital camera. To startup the paint program follow the following steps: Page Painting & Drawing 58

Steps to Follow: Step-1 : Type 'Paint' in the search box. Step-2 : You get the 'Paint App'. Step-3 : Click the 'Paint' App'. Step-4 : Now, the MS-paint program is loaded. MS-PAINT WINDOW Many of the tools you use in Paint are found in the Ribbon, which is near the top of the Paint window. The following illustration shows the Ribbon and other parts of Paint that you can use to create drawings on a blank drawing area. Quick Access Tool bar Paint button Home and View tabs Color Palette Paint brush Ribbon Tool Panel Shapes Drawing Area Smart Page Computer Science Book-4 59

Draw different shapes MS-Paint allows to draw different types of ready-made shapes. Here is a list of them: • Line • Curve • Oval • Rectangle and Rounded rectangle • Triangle and Right triangle • Diamond • Pentagon • Hexagon • Arrows (Right arrow, Left arrow, Up arrow, Down arrow) • Stars (Four-point star, Five-point star, Six-point star) • Callouts (Rounded rectangular callout, Oval callout, Cloud callout) • Heart • Lightning bolt To draw the shapes follow the following steps: Steps to follow : Step 1 : On the Home tab, in the Shapes group, click the desired shape. Step 2 : To draw the shape, drag the pointer. Step 3 : To draw a shape proportionally, press and hold the Shift key, and drag the mouse. For example, to draw a square, click the Rectangle shape, and then hold the Shift key and drag the mouse. Step-4 : If the shape is still selected, you can do one or more of the following to change its appearance: • To change the line style, in the Shapes group, click Outline, and then click a line style. Page Painting & Drawing 60

• If you don't want your shape to have an outline, click Outline, and then click No outline. • To change the outline size, click Size, and then click a line size (thickness). • In the Colors group, click Color 1, and then click a color for the outline. • In the Colors group, click Color 2, and then click a color to fill the shape. • To change the fill style, in the Shapes group, click Fill, and then click a fill style. • If you don't want your shape to be filled, click Fill, and then click No fill. Tricks & TIPS a. Color 1 is foreground color used with pencil, brushes as well as shape's outline. Color 2 is background color used with eraser and fill with Shapes with left mouse click. But, just right mouse click to reverses it. b. If once Out line and Fill of shapes medium is defined, we can not change it again. So, we have to make plan when we select the shape to draw. Smart Page Computer Science Book-4 61

Lab Activity 5.1 1. Draw the following objects using shapes tool: a. b. c. d. e. f. g. h. Page Painting & Drawing 62

Drawing Polygon Use the Polygon tool to make a custom shape with any number of sides. Steps to Follow: Step-1 : On the Home tab, in the Shapes group, click the Polygon tool. Step-2 : To draw a polygon, drag the pointer to draw a straight line. Then, click each point where you want additional sides to appear. Step-3 : To create sides with 45- or 90-degree angles, hold down the Shift key and draw. Step-4 : Connect the last line to the first line to finish drawing the polygon and to close the shape. Step-5 : If the shape is still selected, you can do one or more of the following to change the appearance of it: • To change the line style, in the Shapes group, click Outline, and Smart Page Computer Science Book-4 63

then click a line style. • If you don't want your shape to have an outline, click Outline, and then click No outline. • To change the outline size, click Size, and then click a line size (thickness). • In the Colors group, click Color 1, and then click a color for the outline. • In the Colors group, click Color 2, and then click a color to fill the shape. • To change the fill style, in the Shapes group, click Fill, and then click a fill style. • If you don't want your shape to be filled, click Fill, and then click No fill. Lab Activity 5.2 1. Draw the following objects : a. b. c. Page Painting & Drawing 64

Test Your Knowledge a. When do you use polygonal tool? Ans: ............................................................................................................................ ..................................................................................................................................... .................................................................................................................................... b. How do you load the MS-Paint? Ans: ............................................................................................................................. ..................................................................................................................................... ..................................................................................................................................... c. Where do you find tools of MS-Paint? Ans: ............................................................................................................................. ..................................................................................................................................... ..................................................................................................................................... d. When do you use the foreground color? Ans: ............................................................................................................................. ..................................................................................................................................... ..................................................................................................................................... e. When do you use the background color? Ans: ............................................................................................................................. ..................................................................................................................................... ..................................................................................................................................... f. When do you change the medium of outline and Fill of shape? Ans: ............................................................................................................................. ..................................................................................................................................... ..................................................................................................................................... Smart Page Computer Science Book-4 65

Eraser Tool The Eraser Tool is used to erase any part of the drawing. You can use this tool by clicking and dragging the mouse pointer over the area you wish to erase. You can increase or decrease the size of eraser. To use Eraser Tool, follow the following steps: Steps to Follow: Step-1 : Select the Eraser from 'Tools' group. Step-2 : Move the mouse pointer to the drawing area. Step-3 : Set the eraser point size by pressing CTRL and + to increase and CTRL and minus - sign to decrease the size. Step-4 : Press and hold down the left mouse button Step-5 : Click and drag the mouse pointer to the area to be erased. Step-6 : Release the mouse button. Now, you notice that object is erased. Page Painting & Drawing 66

Lab Activity 5.3 1. Draw the first image then modify as second image using erase tool: Smart Page Computer Science Book-4 67

Fill with Color Tool The Fill with Color Tool is used to fill color in a closed figure with Color 1 group. To use this Tool, follow the following steps: Steps to Follow: Step-1 : Draw rectangle by selecting the Rectangle shape from shape group Step-2 : Select the 'Fill with Color' tool form 'Tools' group. Step-3 : Select the color-1. Step-5 : Select the color from color palette. Step-4 : Click inside the rectangle. Step-5 : You notice that color is filled in your rectangle object. Tricks & TIPS Color 2 is used with Fill and Eraser Tool. Fill with Color Tool may take Color 2 by pressing right mouse click. Lab Activity 5.4 1. Draw the images and fill the color with 'Fill with Color' tool: Page Painting & Drawing 68

Lab Activity 5.5 1. Draw the following shapes and fill the color: b. a. c. Smart Page Computer Science Book-4 69

Pencil Tool Pencil Tool is used to draw free-form line with the selected line width. To use Pencil Tool, do the following: Steps to Follow: Step-1 : Select 'Pencil' tool from the 'Tools' group. Step-2 : Select the 'Color' from the 'Col- ors-1' group. Step-3 : Select the Thickness of pencil tip from the 'size'. Step-4 : Move the pointer to the drawing area. Step-5 : Hold down the left mouse button and start to draw. Step-6 : Release the mouse pointer. Lab Activity 5.6 1. Draw the image with pencil tool and fill the color with 'Fill with Color' tool: Page Painting & Drawing 70

Text Tool The Text Tool is for inserting text in a picture. It also allows to change the font face, size, color, and other simple formatting features. To use the Text Tool, follow the following steps: Steps to Follow: Step-1 : Click the 'Home' tab. Step-2 : Click the 'Text' tool. Step-3 : Move the pointer towards drawing area. Step-4 : Hold down the left mouse button and drag it, then release the mouse button. Step-5 : Now, Type the text within the text box as given in the picture. Lab Activity 5.7 1. Draw the following images, fill the color and write the text as given: Smart Page Computer Science Book-4 71

Magnifier Tool You may want to see a part of a drawing more closely. Using this tool you can zoom in or out of your drawing. To zoom in, just click the part of the drawing you want to zoom into. To zoom out, right click the part of the drawing you want to zoom out. Color Picker Tool The Color Picker Tool helps us to pick a color from one part of the figure and fill the same color in the other part of the drawing. Steps to Follow: Step-1 : Click the 'Color Picker Tool' from the 'Tool Box' . Step-2 : Click the color in the picture which you want to pick. This color would be selected to fill in. Step-3 : Click the 'Fill with Color' tool. Step-4 : Click in the area of the picture where you want to fill the color. Now, the area of the picture gets filled with the color that was picked. Tricks & TIPS a. Left mouse button click increases the magnifier right click decreases. b. With Color Picker, left mouse click picks the color for Color 1 and Right mouse click picks the color for Color 2 Page Painting & Drawing 72

Lab Activity 5.8 1. Draw the second image and fill the color from first image with color picker tool. a. b. Brushes Tool The brushes Tools are used to draw lines and paint in object that have a different appearance and texture. It is like using different artistic brushes. By using different brushes, you can draw free-form and curving lines that have different effects. To use brush tool, do the following: Steps to Follow: Step-1 : In the Home tab, click Brushes down arrow button. Smart Page Computer Science Book-4 73

Step-2 : Click the artistic brush that you want to use. Step-3 : Click Size, and then click a line size, which determines the thickness of the brush stroke. Step-4 : In the Colors group, click Color 1, click a color, and then drag the pointer to paint. Step-5 : To paint using the Color 2 (background) color, right-click and drag the pointer. Lab Activity 5.9 1. Using the paint brush tool, paint the following images: Tricks & TIPS Pressing Ctrl with + sign increase and Ctrl with - sign decrease the size of brushes. Page Painting & Drawing 74

Selection and Editing Technique In Paint, you might want to make changes to a part of a picture or an object. To do this, you need to select the part of the picture that you want to change, and then edit it. You can edit as resizing an object, moving or copying an object, rotating it, or cropping the picture to only show the selected item. But you can not change the size and medium of stroke and Fill medium. For selecting the object, do the following: Steps to Follow: Step-1 : In the Home tab, in the Image group, click the down arrow under Select. Step-2 : Do one of the followings, depending on what you want to select: • To select any square or rectangular part of the picture, click Rectangular selection, and then drag the pointer to select the part of the picture you want to work with. • To select any irregularly shaped part of the picture, click Free-form selection, and then drag the pointer to select the part of the picture you want to work with. • To select the whole picture, click Select all. • To select everything in the picture except for the currently selected area, click Invert selection. • To delete the selected object, click Delete. Step-3 : Determine if the Color 2 (background) color is included Smart Page Computer Science Book-4 75

in your selection by doing the following: • To include the background color with your selection, clear Transparent selection. When you paste the selection, the background color is included and will appear in the pasted item. • To make the selection transparent, click Transparent selection. When you paste the selection, any areas using the current background color will be transparent, which will allow the rest of the picture to appear in its place. Copy a part of a picture or text. Step-1 : Click the 'Home' tab. Step-2 : Click the drop down button of 'Select' from image group. Step-3 : Select 'Rectangular Selection'. Step-4 : Move your pointer. Step-5 : Hold down the left mouse button. Step-6 : Make full selection for the object. Step-7 : Click the 'Copy' option from the 'Clipboard' group. Step-8 : Click the 'Paste' option from the 'Clipboard' group. Page Painting & Drawing 76

To move part of the picture Step-1 : Click the 'Home' tab. Step-2 : Click the drop down button of 'Select' from image group. Step-3 : Select 'Rectangular Selection' or 'Free from selection'. Step-4 : Move your pointer towards the object. Step-5 : Hold down the left mouse button. Step-6 : Make part of selection for the object. Step-7 : Click the 'Cut' option from the 'Clipboard' group. Step-8 : Click the 'Paste' option from the 'Clipboard' group. Fast Access a. Ctrl+C and Ctrl+V are to be pressed to copy and Paste the selection respectively. b. Ctrl+X and Ctrl+V are to be pressed to cut and paste the selection respectively. c. Del key is to be pressed to delete selected portion. Tricks & TIPS a. Select and drag with mouse pointer to move the selected portion in new location. b. Ctrl+X and Ctrl+C store the selection portion in clipboard but Del and Dragging do not stores in clipboard. Smart Page Computer Science Book-4 77

Lab Activity 5.10 1. Draw the first image and take out a part as the second image: 2. Draw the first image and modify as the second image: 3. Draw the first image and make duplicate copy, then modify as the second image: Page Painting & Drawing 78

Viewing Drawing Step-1 : Click the 'View' tab. Step-2 : To reduce the view, click in 'Zoom out' option. Step-3 : To increase the view, click the 'Zoom in'. Step-4 : To view in actual in size, click the 100% option. Step-5 : To view in full screen, click the 'Full Screen' option from 'Display' group. Cropping Drawing To crop the picture, crop option is used from 'Image' group of Ribbon. Cropping lets you visible only selected portion of the drawing. To crop the image, do the following: Steps to Follow: Step-1: Select the image, using selection tool. Step-2: Drag the pointer to select the part of the picture you want to show. Step-3: In the Image group, click the Crop Tool. Smart Page Computer Science Book-4 79

Lab Activity 5.11 1. Place the first image and modify as the second image using Crop tool. Football Page Painting & Drawing 80

Resizing a whole picture or part of picture Use Resize‌tool of Image group to resize the whole image or to resize part of image. You can also skew an object in the picture so that it appears slanted. To resize or skew image, do the following: Steps to follow: Step-1 : In the Home tab, in the Image group, click Resize. Step-2 : In the Resize and Skew dialog box, select the Main- tain aspect ratio check box so that the resized picture will have the same aspect ratio as the original. Step-3 : In the Resize group, click Pixels, and then enter a new width in the Hori- zontal box or new height in the Vertical box. Click OK. • If the Maintain aspect ratio check box is selected, you only need to enter the horizontal value (width) or vertical value (height)so that next one is updated automatically. Smart Page Computer Science Book-4 81

Lab Activities 5.12 1. Draw the first image and modify as the second and third image using skew technique. Page Painting & Drawing 82

Rotate Drawing To rotate a picture or a selected part of picture, use desire rotate option of Rotate drop down button of Image group. To use this function, do the following: Step-1 : Select the picture. Step-2 : To rotate the whole picture, in the Home tab, in the Image group, click Rotate drop down button and then click the rotation direction. Step-3 : To part of a picture, on the Home tab, in the Image group, click Select drop down button. Select the selection option, then drag the mouse pointer to select the area or object, click Rotate drop don button, and then click the rotation direction. Lab Activity 5.13 1. Draw a first image and modify as second image using copy and rotating technique: a. Smart Page Computer Science Book-4 83

Lab Activity 5.14 1. Draw the first image and modify as second image using copy and rotating technique, then fill the color. a. b. c. d. Painting & Drawing Page 84

Outline The outline feature is used to set the medium for outline of shape in the basis of selection of color from Color 1 group. There are different option under the outline option drop down menu. Once outline medium is set, we can not change it. Steps to Follow: Step-1 : Select the shape to draw. Step-2 : Click the drop down button of Outline option from Shapes group of Home Tab, select the desire option for the outline. Step-3 : Select the thickness of outline from the Size drop down option of Home Tab. Step-4 : Select the color from the Color 1 group. Step-5 : Now, draw on the drawing area. Now, you get the outline of the object as you set your thickness, color and outline option. But If you select 'No Out Line' option, it hides the outline of object. Lab Activity 5.15 1. Draw first image and modify as second image using the outline feature: a. b. Smart Page Computer Science Book-4 85

Fill The Fill option is used to fill the color to the shapes with color 2 group. There are different types of fill option. To use this option, follow the following steps: Steps to Follow: Step-1 : Select the shape. Step-2 : Select the option of a Fill drop down option. Step-3 : Set Outline and outline Size for the shape. Step-4 :Draw the shape in drawing area. Now, you notice the shape is drawn with set filled color. Lab Activity 5.16 1. Draw the following picture and paint using paint brush tool. Page Painting & Drawing 86

Edit Color Edit Color option allows us to make new color as we like. To edit color follow the following steps: Steps to Follow: Step-1 : Click the 'Edit Colors' option from the 'color' group of 'Ribbion. You get the 'Edit colors' dialog box. Step-2 : Select the color and drag the slide bar to set the desire color. Step-3 : Click the 'Add to Custom Colors' button. Step-4 : Click the 'Ok' button. Show or hide Show or hide feature group is available under the 'View' tab. It allows us to show or hide the status bar, ruler and grid on the drawing area. To use this option follow the following steps: Steps to Follow Step-1 : Click the 'View' tab from the ribbon of window. Smart Page Computer Science Book-4 87

Step-2 : Select the option Ruler, Grid line and Status bar to show and deselect to hide from the 'Show or hide' group. Saving and using your picture When editing in Paint, you should save your work frequently so that you don't accidentally lose it. After you save your picture, you can use it on your computer. Save a picture for the first time When you save a new picture for the first time, you'll need to give a file name. To do this, follow the following steps: Steps to follow: Step-1 : Click the File menu tab, and then click Save option. Step-2 : Find the disk and folder (location) Step-3 : In the File name box, type a name, and click Save. Step-4 : In the Save as type box, select the file format you want. Fast Access Ctrl+S to save a file. Ctrl+N to create new drawing area. Save As : command is used to save the picture or painting in new name. Page Painting & Drawing 88

Open a Saved Drawing Page Instead of starting a new drawing, you might 89 want to open an existing drawing and edit in Paint. Steps to Follow: Step-1 : Click the File menu tab, and then click Open. Step-2 : Find the drawing that you want to open, click it, and then click Open. Fast Access Ctrl+O is to be pressed to open new existing picture. Set Picture as the Desktop Background You can also set the picture as the desktop background. To set the desktop background on your computer, follow the following steps. Steps to Follow: Step-1 : Click the File menu tab, and then click Save. Step-2 : Click the 'Set as desktop background' . Smart Computer Science Book-4

Undo The Undo command allows you to undo the last action. It removes the last change you made to the work. While drawing a picture, if you make mistake, you can undo it. Follow the following steps: Steps to Follow: Step-1 : Click the Undo button from the title bar of the Paint Window. Step 2 : Repeat Step-1 until you reach in desire position. Fast Access Ctrl+Z is pressed to Undo the last action. Redo Redo is a function that recalls the function of Undo again. For example, if you delete drawing and perform an undo, then decided that you want deleted again, you could do a redo. Steps to Follow: Step-1 : Click the Redo button from the title bar. Step 2 : Repeat Step-1 until you reach in desire position. Page Painting & Drawing 90

Lab Activity 5.17 1. Draw the following shapes and come back to the first shape using 'Undo' technique and again go ahead to the last shape using 'Redo' technique. Tricks & TIPS After selecting a portion of a drawing, if you click anywhere in the drawing area, the selected portion will be deselected Smart Page Computer Science Book-4 91

Lab Activity 5.18 1. Draw following objects: a. b. Page Painting & Drawing 92

Test Your Knowledge a. How do you change size of the eraser? Ans: ............................................................................................................................ ..................................................................................................................................... .................................................................................................................................... b. Which color group is applied by Fill Shape by default? Ans: ............................................................................................................................ ..................................................................................................................................... ..................................................................................................................................... c. When do you feel the necessity of Pencil Tool? Ans: ............................................................................................................................ ..................................................................................................................................... ..................................................................................................................................... d. Where do you find Magnifier Tool and when do you use this Tool? Ans: ............................................................................................................................ ..................................................................................................................................... ..................................................................................................................................... e. When do you use the background color? Ans: ............................................................................................................................ ..................................................................................................................................... ..................................................................................................................................... f. When do you change the medium of outline and Fill of shape? Ans: ............................................................................................................................ ..................................................................................................................................... ..................................................................................................................................... Smart Page Computer Science Book-4 93

g. When is Color Picker Tool used? Ans: ............................................................................................................................ ..................................................................................................................................... ..................................................................................................................................... h. What can you do after selecting object? Ans: ............................................................................................................................ ..................................................................................................................................... ..................................................................................................................................... i. Differentiate between 'Cut and Paste' and 'Copy and Paste'. Ans: ............................................................................................................................ ..................................................................................................................................... ..................................................................................................................................... j. What is the function of 'Paste' command? Ans: ............................................................................................................................ ..................................................................................................................................... ..................................................................................................................................... k. When do you need to use Crop command? Ans: ............................................................................................................................ ..................................................................................................................................... ..................................................................................................................................... l. When do you use Skew feature? Ans: ............................................................................................................................ ..................................................................................................................................... ..................................................................................................................................... Page Painting & Drawing 94

m. What do you mean by flipping? Ans: ............................................................................................................................ ..................................................................................................................................... ..................................................................................................................................... n. How do you deselect the selected object? Ans: ............................................................................................................................ ..................................................................................................................................... ..................................................................................................................................... o. When do you edit color? Ans: ............................................................................................................................ ..................................................................................................................................... ..................................................................................................................................... p. What does Show Hide feature allow us? Ans: ............................................................................................................................ ..................................................................................................................................... .................................................................................................................................... Smart Page Computer Science Book-4 95