Oasis Radiant computer science Grade Three 51 2. Start typing a file name or keyword. 3. Search will start displaying matching items even before you finish typing. Searching from the Start Menu You will find a Search bar in the Start Menu, along with one click access to popular Libraries. Type the file or folder name and search it. The system will display the list of files or folders with given names.
52 Oasis Radiant computer science Grade Three Key Points Operating computer means starting the computer. Without operating system, computer is just like a dead body of human. Operating system is also called a master controller program because it controls all the activities of the computer system. Desktop is the first screen that appears after you operate the computer. Icons are the small pictures of desktop, which indicate different programs that you have stored or installed. Recycle bin is used to store the deleted items from the Windows program. Taskbar is the long bar at the bottom of the Desktop. Folder is a place where you can store many files and other folders for various purposes. Workshop 1. Re-arrange the following jumbled letters to make the correct words. a. CION b. IBN RCYECLE c. STRAT d. GATDGE e. FLODRE 2. Fill in the blanks. a. Operating computer means …………computer. b. Full from of GUI is ………… c. Icons are the …………pictures. d. …………is used to store deleted items.
Oasis Radiant computer science Grade Three 53 e. Taskbar is the ………… bar at the bottom. f. Folder is a place to store ………… and ............... . g. ………… is the first screen. 3. Write whether the following statements are true or false. a. Windows is an operating system. b. Windows is graphical user interface system. c. Operating system is a master controller program. d. Operating computer means to work with the computer. e. Icons are available in taskbar. f. My computer icon is located on the desktop. g. Recycle bin is a folder. h. We cannot restore the deleted items from Recycle bin. 4. Answer the following questions. a. What is an operating system? b. What is Windows system? c. What is Desktop? d. How to turn off the computer? Write steps. e. Is it possible to make a folder on the desktop? If yes, how? f. Write the use of Recycle bin? 5. Project and lab work a. Draw the picture of Windows system and label it. b. Change the desktop background picture of your working computer. c. Create a folder with your name on desktop. d. How can you perform the following? ● Personalizing the desktop ● Searching files ● Pin and unpin the program ● Working with libraries
Working with Paint Program 7 Chapter What is paint? How to work with paint tools? What are the uses of paint? How to handle the picture in paint? What are the components of paint?
Oasis Radiant computer science Grade Three 55 Working with Paint Program 7 CHAPTER Introduction Paint is a drawing program developed by Microsoft company. It is a small graphic program. We can draw different shapes and pictures by using this program. Paint program contains tools and color which are essential for drawing. Starting Paint You can start paint in windows using the following steps: Click on Start Menu Choose All Programs Choose Accessories Choose Paint Or you can use the search line to start Paint. Open the Start Menu Type mspaint.exe in the search line and press enter.
56 Oasis Radiant computer science Grade Three You will get the system of Paint. Components of Paint Paint has the following parts on its working system. You can select the required tools, colour and the options for working with the paint program. Major components of paint are. ▪ Ribbon ▪ Paint Button ▪ Home Tab ▪ View Tabs ▪ Tools Panel ▪ Brushes ▪ Shapes ▪ Colour Palette ▪ Canvas
Oasis Radiant computer science Grade Three 57 Drawing Figures in Paint Paint is an accessory of Windows system. You can draw different types of geometrical shapes and make useful drawings using this program. You can select the required shape and colour using the toolbars as given above. Steps: - Select the required tool from the tool box. - Select the required colour from the colour palette - Click the mouse on the drawing canvas and draw the required figures. Saving a Paint File You can save the Paint file using following steps. Step 1: Click File→ Save or use the shortcut key, Ctrl+ S.
58 Oasis Radiant computer science Grade Three Step 2: This will launch the Save As dialog box. Type the file name and Save it. Saving with Save As Using the “Save as” option, the images can be saved in different file formats such as PNG, JPEG, BMP, GIF and other formats. Step 1: Select File → Save As → (Choose the Image Format). Here, we have chosen JPEG file type.
Oasis Radiant computer science Grade Three 59 Step 2: In “Save As” dialog box, select the folder where you wish to save the image, enter the file name and click the Save button. Exit from Paint After completion of your drawing, you have to exit from the system. 1: In File menu, select Exit.
60 Oasis Radiant computer science Grade Three Option 2: Click on the cross icon at the top right corner to close the file. Option 3: Use the keyboard shortcut Alt+ F4 or click on Paint icon present at the top left corner and select Close. Change Image Properties in MS Paint Properties option will give the details about the current image such as Last Saved, Size on disk, Resolution, Units, Colours, Width and Height. Step 1: Select File → Properties or press Ctrl+ E Step 2: Image Properties dialog box will open with the information about the image on which you are currently working.
Oasis Radiant computer science Grade Three 61 Step 3: Using the dialog box you can change the Units in Inches / Centimetres / Pixels of the image. Color of the image can be changed using the “Black and white” or “Colour” options. The width and height of an image can be adjusted in the width/height box. Step 4: Click Ok. ► Rectangular Selection Use Undo Option in MS Paint Undo is used to cancel the previous action. Option 1: Use the shortcut key Ctrl+ Z. Option 2: Click the left arrow given above the home tab.
62 Oasis Radiant computer science Grade Three In the below image, you can cancel the previous action undone in the image. If you are not able to find the undo icon, then add that option to Quick access toolbar by the following step. Select Customize Quick Access Toolbar icon and select Undo. You can undo all the previous actions by continuously pressing the Undo icon/Ctrl+ Z to bring the original image.
Oasis Radiant computer science Grade Three 63 Use Redo Option in MS Paint Redo option is used to repeat the last action done. Option 1: Use the shortcut key Ctrl+ Y. Option 2: Click the right arrow given above the home tab. In the image given below, you can view the Redo action done in the image.
64 Oasis Radiant computer science Grade Three If you are not able to find the Redo icon above the Home tab, then add the icon to Quick access toolbar by the following step, Select Customise Quick Access Toolbar icon and click Redo. Zoom In Option in MS Paint Zoom in option is used to get the closer view of an image. Option 1: In the View tab, select Zoom in Option 2: The shortcut key is Ctrl+PgUp
Oasis Radiant computer science Grade Three 65 In the image given below, you can view the closer view of the image. Zoom Out Option in MS Paint Zoom out is used to get a distant view of an image. Option 1: In the View tab, select Zoom Out Option 2: The shortcut key is Ctrl+ PgDn.
66 Oasis Radiant computer science Grade Three View Image in Full Screen Mode Full screen option is used to view the image in full screen mode. Option 1: In the View tab, select Full screen. Option 2: The shortcut key is F11. In the image given below, you can see the distant view of the image.
Oasis Radiant computer science Grade Three 67 In the image given below, you can view the image in full screen mode. Set Image as Desktop Background in MS Paint Set as desktop background option is used to change the Windows desktop background picture. Option 1: Go to File tab, select Set as desktop background Option 2: Select File tab and press the key “b” You can choose any of the three choices to set the desktop background. Fill - To fill the entire Paint screen with the image. Tile - To fill the whole screen with the repeated picture. Center -To center the picture in the middle of the screen. Here, the house image is set as desktop background for Windows.
68 Oasis Radiant computer science Grade Three Crop a Picture Selected area of the picture can be cropped or cut using crop button. Step 1: Using the select option, select the area of the image by clicking and dragging on the image to highlight the area of the image you wish to crop.
Oasis Radiant computer science Grade Three 69 Step 2: Click crop using any of the following three options, Option 1: In Home tab, select Crop. Option 2: The shortcut key is Ctrl+ Shift+ X. Option 3: Right click on the canvas and select Crop. In the below picture, you can view the cropped portion of the image. Resize a Picture in MS Paint Resize option is used to change the size of the picture or selection of a picture by percentage or by pixels. Option 1: In Home tab, select Resize.
70 Oasis Radiant computer science Grade Three Option 2: The shortcut key is Ctrl+W. Option 3: Right Click → Resize. Resize Options: Option 1: Select Percentage or Pixels.
Oasis Radiant computer science Grade Three 71 Option 2: Set the width of the picture proportional to height, then enable the checkbox “Maintain aspect ratio”. Else, uncheck the “Maintain aspect ratio” checkbox and enter the value manually for both horizontal and vertical portion of the image. Skew Option: Enter the value in degrees to resize the image in degrees instead of pixels/percentage. Here, we have chosen Pixels. Whole image is resized with the given pixels.
72 Oasis Radiant computer science Grade Three Rotate an Image in MS Paint Rotate option is used to rotate an image to these five directions, 1. Rotate right 900 2. Rotate left 900 3. Rotate 1800 4. Flip vertical 5. Flip horizontal Use Rotate option by following the given steps. Step 1: Select Rotate option. Option 1: In home tab, click Rotate. Option 2: Right Click → Rotate
Oasis Radiant computer science Grade Three 73 Step 2: It will list all the five rotational directions as shown below: Rotate right 900 : This option is used to rotate the image to 90 degree right.
74 Oasis Radiant computer science Grade Three Rotate left 90o : This option is used to rotate the image 90 degree left. Rotate 180o : This option is used to rotate the image to 180o .
Oasis Radiant computer science Grade Three 75 Flip vertical: Flip vertical option is used to flip the image in vertical direction as shown. Flip Horizontal: Flip horizontal option is used to flip an image in horizontal direction.
76 Oasis Radiant computer science Grade Three Print Preview in MS Paint Print preview is used to preview an image and make the changes before printing. Step 1: Go to File → Print → Print Preview. Step 2: Preview of the image will be displayed as shown in the below picture. Show / Hide Ruler in MS Paint Rulers are used to measure the dimensions of the image. To add rulers in the paint window, Step 1: In the View tab → select Rulers or press the shortcut key Ctrl+ R.
Oasis Radiant computer science Grade Three 77 Step 2: Horizontal ruler will be displayed at the top and vertical ruler will be displayed at the left-hand side of the paint window. To hide the Rulers, just uncheck the Rulers option in the View tab. Magnifier Tool in MS Paint Magnifier tool is used to get a closer view of an image. To use the magnifier tool, follow the following steps. Step 1: In the Home tab, select Magnifier.
78 Oasis Radiant computer science Grade Three Step 2: Left click the mouse button to zoom the image and right click to zoom out the image. Here, we have zoomed in the image using left click. A rectangular shape appears, you can even see the particular portion in zoom. Show / Hide Grid Lines in Ms Paint Gridlines are used to align the objects in an image. To insert gridline in the paint window, Step 1: Click on the View menu → select Gridlines.
Oasis Radiant computer science Grade Three 79 Step 2: Gridlines will be added to the picture as shown. In the given picture, the image is aligned using the Gridlines. To hide the Gridlines, just uncheck the Gridlines option in the View tab. Show / Hide Status Bar in MS Paint Status bar provides details about the Cursor Position, Selection Size and Image Size. To use the status bar option, Step 1: In the View tab, select Status bar
80 Oasis Radiant computer science Grade Three Step 2: Status bar will be added at the bottom portion of the Paint window. In the given picture, you can view image details in the following order. Cursor Position | Selection Size | Image Size To hide the Status Bar, just uncheck the Status Bar option in the Home tab. Key Points Paint is a drawing program developed by Microsoft windows. Title bar displays the paint icon and the name of the file. Menu bar is located below the title bar. File, Edit, View image, etc are called menu bar. Tool Box is located at the left side of the Paint screen. Color Box displays at the bottom of the Paint windows. Eraser tool erases any part of the drawing. The eyedropper tool can be used to "pick up" colors that you’ve already used in an image.
Oasis Radiant computer science Grade Three 81 Airbrush Tool is used to spray the required colour anywhere on the drawing. Text tool is used to type the text into your image. Exercise 1. Re-arrange the following jumbled letters to make the correct word. a. PNATI b. TLOO OXB c. COLRO d. BRSHU e. PENICL f. VEOM 2. Fill in the blanks. a. Paint brush is developed by…………… b. We can …………..pictures on Paint. c. The very first tool of Paint is ………. d. File, Edit, View are called…….. e. Line tool is used to draw ……..line. f. We can save Paint file by using …….menu. 3. Write whether the following statements are true or false. a. Paint brush is a graphic program. b. Paint is a product of Microsoft. c. The main use of Paint is to make a document. d. We can use tool box to use the edit menu. e. There are only ten tools with Paint Brush. f. We can see Save option on file menu.
82 Oasis Radiant computer science Grade Three g. Ellipse and Polygon tool draw same type of image. h. We can use pencil tool in Paint brush to make a rectangle shape. i. We cannot fill color by using fill tool. 4. Answer the following questions. a. What is Paint program? b. How do you start Paint Brush? c. Name any six tools of Paint. d. What is the use of color box? e. How do you use curve tool? f. What is the use of fill color and pick color tool? g. What is the use of text tool? h. How do you save Paint file? Write the procedure. 5. Project work a. Draw various shapes and figures by using all the tools and show your teacher.
8 Chapter Describe the features of Word processor. What is Word processor? How to handle the files in MS Word? How to print the document? Microsoft Word How to format the text?
84 Oasis Radiant computer science Grade Three 8 Microsoft Word CHAPTER Word processor is a software package which is used for writing, editing and updating the documents. Microsoft Word is mainly used for formatting and presenting the documents. It is developed by Microsoft Company. Features of MS Word It is used for creating, saving and closing the documents. It is used for printing documents. It is used for formatting pages, paragraphs and sections. It is used for editing the text. Applications of MS Word It is used in office to prepare the documents. It is used in book publication industries. It is used in newspaper publications. It is used for personal documentation. How to Start? Click on Start. Choose Program Select Microsoft Word 2010 We will get the system of MS Word.
Oasis Radiant computer science Grade Three 85 Components of MS Word As given in the above figure MS Word screen has the following components. File Tab It is used to open or to save the files, create new documents, print a document, and do other file-related operations.
86 Oasis Radiant computer science Grade Three Ribbon Ribbon contains commands organized in three components: Tabs: They appear across the top of the Ribbon and contain groups of related commands. Home, Insert, Page Layout, etc. are the examples of ribbon tabs. Groups: They organize related commands; each group name appears below the group on the Ribbon. For example, group of commands related to fonts or group of commands related to alignment, etc. Commands: Commands appear within each group as mentioned above. Title bar This lies on the top of the window. Title bar shows the program and document titles. Rulers Word has two rulers - a horizontal ruler and a vertical ruler. Help The Help Icon can be used to get word-related help anytime you like. Zoom Control Zoom control consists of a slider that you can slide left or right to zoom in or out.
Oasis Radiant computer science Grade Three 87 View Buttons It is a group of five buttons located to the left of the Zoom control, near the bottom of the screen. Document Area It is the area where you type. The flashing vertical bar is called the Insertion Point and it represents the location where text will appear when you type. Status Bar This displays document information as well as the position of insertion point. Dialog Box Launcher This appears as very small arrow in the lower-right corner of many groups on the Ribbon. Clicking this button opens a dialog box or task pane that provides more options about the group. Entering Text Document area is the area where you can type your text. The flashing vertical bar is called the insertion point and it represents the location where text will appear when you type. Click on the insertion point and start typing.
88 Oasis Radiant computer science Grade Three Saving New Document Prepare the document as your requirement. Now you have to save it for the future purposes. Select the required drive or folder and save the document using Save and Save As option. Step (1): Click the File tab and select Save or Save As option. Step (2): Select a folder where you would like to save the document, Enter file name.
Oasis Radiant computer science Grade Three 89 Step (3): Finally, click on Save button and your document will be saved with the entered name in the selected folder. First, you can select the Save option and when you are saving the document with another name after you've saved, use Save As option. You can also save the document using Ctrl + S (Hold Down the Ctrl key and press S Key) Shortcut Key. Starting New Document After saving the document, you have to start the new document. Step (1): Click the File tab and select New option. Step (2): When you select New option from the first column, it will display a list of templates in second column. Just double click on Blank document, and start the new document.
90 Oasis Radiant computer science Grade Three Start the New document using Ctrl + N (Hold Down the Ctrl key and press N Key) Shortcut Key. Opening Existing Document You can open the saved document from your working folder and drive. Step (2): This will display file Open dialog box. Step (1): Click the File tab and select Open option.
Oasis Radiant computer science Grade Three 91 Step (3): Finally, locate and select the file which you want to open. Open the document using Ctrl + O (Hold Down the Ctrl key and press O Key) Shortcut Key. Close a Document When you finish working with a document, you have to close it. Closing the document is to make the working document inactive and start new document. Step (2): When you select Close option and if the document is not saved before closing, it will display following warning box asking whether the document should be saved or not. Step (1): Click the File tab and select Close option.
92 Oasis Radiant computer science Grade Three Step (3): Now it's up to you if you want to save the changes, then click Save. Otherwise, click Don’t Save button. To go back to the document click Cancel button. Selecting the Text Selecting a text is one of the most important skills required while editing a word document. You can perform various operations on a selected text like you can delete it, copy it, move it, apply formatting to it, change its capitalization, etc. The most common method of selecting a text is to click and drag the mouse over the text you want to select. Following table lists down some methods to select the text. SN Component and Selection Method 1 Selecting text between two points Click at the start of the block of text, hold down Shift, and click at the end of the block. 2 Selecting a single word Simply double click anywhere on the word you want to select. 3 Selecting a paragraph Simply triple click anywhere on the paragraph you want to select. 4 Selecting a sentence Hold down Ctrl key and click anywhere in the sentence you want to select. 5 Selecting a column of text Hold down Alt, click and hold the mouse button, and drag over the column you want to select. Selection Using the Selection Bar The black shaded area in the following screen shot is called selection bar. When you bring your cursor in this area, it turns
Oasis Radiant computer science Grade Three 93 into a rightward-pointing arrow. You can use selection bar to select various components of a document as described in the following table: SN Component and Selection Method 1 Selecting a line Bring your mouse in selection bar area and click in front of the line you want to select. 2 Selecting a paragraph Bring your mouse in selection bar area and double click in front of the paragraph you want to select. 3 Selecting the document Bring your mouse in selection bar area and triple click. Selection using the keyboard Keyboard provides very good support when you want to select
94 Oasis Radiant computer science Grade Three various components of the document as described in the following table: SN Key and Selection Method Selecting Text 1 Ctrl + A Press Ctrl + A keys to select the entire document. 2 Shift Keep pressing Shift key and use any of the arrow keys to select the text. Delete Text It is very common to delete text and retype the content in your word document. You might type something you did not want to type or there is something extra which is not required in the document. Using Backspace and Delete Keys: The most basic deletion technique is to delete characters one at a time by pressing either backspace or delete keys. Following table describes how you can delete single character or whole word by using either of these two keys: SN Keys and Deletion Methods 1 Backspace Keep the insertion point just after the character you want to delete and press backspace key. Word deletes the character immediately to the left of the insertion point. 2 Ctrl + Backspace Keep the insertion point just after the word you want to delete and press Ctrl +Backspace key. Word deletes the whole word immediately to the left of the insertion point. 3 Delete Keep the insertion point just before the character you want to delete and press delete key. Word deletes the character immediately to the right of the insertion point.
Oasis Radiant computer science Grade Three 95 4 Ctrl + Delete Keep the insertion point just before the word you want to delete and press Ctrl + Delete key. Word deletes the word immediately to the right of the insertion point. Delete Using Selection Method You have learnt how to select various parts of a word document. You can make use of that learning to delete those selected parts as described in the following table: SN Component Selection and Delete Methods 1 Deleting text between two points Click at the start of the block of text, hold down Shift, and click at the end of the block to select the text and finally press either backspace or delete key. 2 Deleting a single word Simply double click anywhere on the word you want to delete and finally press either backspace or delete key. 3 Deleting a paragraph Simply triple click anywhere on the paragraph you want to delete and finally press either backspace or delete key. 4 Deleting a sentence Hold down Ctrl key and click anywhere in the sentence you want to delete and finally press either backspace or delete key. 5 Deleting a column of text Hold down Alt, click and hold the mouse button, and drag over the column you want to delete and finally press either backspace or delete key. 6 Deleting a line Bring your mouse in selection bar area and click in front of the line you want to delete and finally press either backspace or delete key. 7 Deleting entire document content Press Ctrl + A keys to delete the entire document and finally press either backspace or delete key.
96 Oasis Radiant computer science Grade Three Copy, Cut and Paste the Text To use copy and paste or cut and paste operations, word makes use of a temporary memory which is called clipboard. When you copy or cut a text then temporarily it stays in clipboard and in the second step you can paste this content at desired location from clipboard. Copy and Paste Operation Copy operation will just copy the content from its original place and create a duplicate copy of the content at the desired location without deleting the text from its original location. Lab Work-1 Prepare the document Nepal Nepal is a landlocked Himalayan country located in South Asia. The country lies in 260 22' N to 300 27' N latitude and 800 4' E to 88012' E longitude. It covers 0.03% area of the earth’s land and 0.3% of the total land of Asia. The total land area covered by Nepal is 1, 47,181sq. Km (CBS Nepal, 2008). It is bordered on the north by Tibet, an autonomous region of China and to the east, west and south by India. Ecologically Nepal is divided into three different regions: Mountain region, Hill region and Terai region (plain region). Of the ten highest peaks in the world, eight are in Nepal which include the highest peak in the world Mt. Everest with the height of 8848 meter.
Oasis Radiant computer science Grade Three 97 Step (1): Select a portion of the text using any of the text selection methods. Step (2): At the second step, you have various options available to copy the selected text in clipboard. Just use any one of them which you like most: Using Mouse Right Click: If you right click on the selected text, it will display copy option, just click this option to copy the selected content in clipboard. Using Ribbon Copy Button: After selecting a text, you can use copy button available on the ribbon to copy the selected content in clipboard.
98 Oasis Radiant computer science Grade Three Using Ctrl + C Keys: After selecting a text, just press Ctrl + C keys to copy the selected content in clipboard. Step (3): Finally, click at the place where you want to copy selected text and use either of these two simple options: Using Ribbon Paste Button: Just click paste button available on the ribbon to paste the copied content at the desired location.
Oasis Radiant computer science Grade Three 99 Using Ctrl + V Keys: This is the simplest way of pasting the content. Just press Ctrl + V keys to paste the content at the new location. Note: You can repeat paste operation as many times as you like to paste the same content. Cut and Paste Operation Cut operation will cut the content from its original place and move the content from its original location to a new desired location. Step (1): Select a portion of the text using any of the text selection methods.
100 Oasis Radiant computer science Grade Three Step (2): Just use any one of them to cut the text: Using Mouse Right Click: If you right click on the selected text, it will display cut option. Just click this option to cut the selected content and keep it in clipboard. Using Ribbon Cut Button: After selecting a text, you can use cut button available on the ribbon to cut the selected content and keep it in clipboard. Using Ctrl + X Keys: After selecting a text, just press Ctrl + X keys to cut the selected content and keep it in clipboard.