CLASS 3. Lesson 1: Know your Computer

Transcription

1 CLASS 3 The Class 3 book deals with computer hardware and software, introduction to Windows 7, some advanced features of Paint, introduction to LOGO, mathematical operations in LOGO and introduction to MS Word 2007 and Tux Paint. OBJECTIVE Lesson 1: Know your Computer This lesson describes the working of a computer along with the computer hardware and software. After the completion of this lesson, the students will be able to understand the working of a computer get familiar with the terms hardware and software know about different types of software DISCUSSION Begin the lesson with the introduction of the terms: data and information. Make students recall the steps involved in the working of a computer by giving suitable real-life examples. Take the example of preparing a cake. To prepare a cake, the flour is mixed with butter and other ingredients and then baked in an oven. Therefore, the flour and other ingredients are the input. The oven does the processing. It bakes the material and gives the output that is the cake which is ready to eat. Tell them that in a computer the input is given using an input device such as a keyboard, the CPU does the processing and the output is displayed on an output device such as the monitor. Explain the term hardware. Tell them about all the hardware components attached externally to the CPU box as well as the electronic parts inside the CPU box. Also, tell them about the motherboard. Describe the role of software in a computer system. Tell them that it is the software that makes a computer system functional. It instructs the computer hardware how to perform a particular task. With the help of the lab assistant, open the system unit and show students the different hardware components inside the computer. Explain the relationship between hardware and software citing examples from real-life. Tell them that computer hardware and software require each other and neither can be realistically used without the other. Familiarise students with two categories of computer software, namely, system software and application software. Give some examples of system and application software and tell the difference between them. Give the uses of different types of application software. For example, Paint is an application software which is used for drawing images. ANSWERS 1. Cross the odd one out in each group. a. Computer fan b. Keyboard c. Monitor 1

2 2. Circle the correct option. a. (i) b. (iii) c. (i) d. (i) 3. Fill in the blanks with the correct word. a. data b. CPU c. hardware d. printer e. motherboard 4. Put a tick () if the given statement is correct and a cross () if it is wrong. a. b. c. d. e. 5. Answer the questions. a. Input: The data and instructions given to the computer using an input device, such as a keyboard or mouse is known as input. Processing: The operation performed on the data is known as processing. The processing is done inside the Central Processing Unit (CPU). Output: The information or the final result obtained after the processing of data is known as output. The output is given on an output device such as a monitor or a printer. b. Computer hardware refers to the physical components of a computer system that we can touch and feel. It includes all the devices attached externally to the CPU box with wires as well as the electronic parts inside the CPU box. c. Four examples of computer hardware are CPU, motherboard, computer fan and hard disk. d. The devices which are connected to the CPU box by wires or wirelessly are known as peripheral devices. Two common examples of peripheral devices are keyboard and monitor. e. Software is defined as the set of computer programs or instructions that are given to a computer for its proper functioning and processing of information. f. System software, application software. OBJECTIVE Lesson 2: Getting Started with Windows 7 This lesson introduces the concept of operating system and explains the working of Windows 7 operating system. After the completion of this lesson, the students will be able to define operating system locate and define the parts of a desktop select and deselect the icons change the desktop background and screen saver use gadgets and Windows Accessories DISCUSSION Begin the lesson with a discussion on an operating system. Explain to students the need and functions of an operating system. Give some examples of operating systems. Windows is the most popular operating system. Tell students about many versions of Windows operating 2

3 system that have been released so far. Introduce them to Windows 7 operating system which is a GUI (Graphic User Interface) based operating system. Ask students to switch on the computers and watch the screen carefully. When the operating system is loaded, what do they observe? The first screen that appears after loading Windows 7 operating system is called the desktop. Show the different components of the desktop and explain to them one by one. Explain the important part of a desktop, that is, the taskbar. It is located on the bottom edge of the desktop. It contains the Start button, buttons for the active programs and the current system date and time. Tell them about the desktop icons. Make students familiar with selecting, deselecting and sorting icons. Students can arrange their icons on the desktop using the Sort by option. Give a demonstration on changing the desktop background and screen saver and then ask students to set the wallpaper and screen saver as per their choice on their computers. Ensure that the students change only the settings of the wallpaper and the screen saver. They should not disturb other Windows settings. Show students the various types of gadgets provided by Windows 7. Demonstrate the steps to add and remove gadgets on the desktop. Explain to students the meaning of accessories. Students must have an idea about car accessories. Accessories are the additional items in a car like an audio system and seat covers. Similarly, Windows 7 comes with accessories which are additional programs that help us in doing various jobs. Demonstrate the step-by-step process of accessing Windows accessories. Show them how to access the accessories from the Start button. Make sure that the students understand the following accessories. Calculator: Explain to students that like a standard desk calculator, the Windows Calculator saves time by performing all simple and complex calculations. It can also perform scientific calculations. Show students how to open the Calculator. Tell them that the Windows Calculator looks and operates just like any other calculator except that you use it onscreen. Demonstrate how to operate Calculator. The Calculator s keypad contains familiar number keys, along with memory and simple math keys. A display window just above the keypad shows the numbers you enter and the results of calculations. Sticky Notes: Sticky notes are used to create short text notes such as a to-do list, important dates and phone numbers and many more. These are basically notes to remind you anything which are placed on the desktop. Demonstrate to students how to create a Sticky Note. Also, show them how a Sticky Note can be deleted when it is no more required by using the Delete Note button on its top-right corner. You can also change the colour of the Sticky Note, if required. ACTIVITIES Ask students to rearrange the desktop. They can move the desktop icons and change the wallpaper and screen saver. Give an assignment to students to list the types of operating systems installed on various machines in the computer lab. 3

4 ANSWERS 1. Circle the correct option. a. (i) b. (iii) c. (iii) d. (ii) e. (i) 2. Match the picture with what it is used for. a - (iii), b - (i), c - (iv), d - (v), e - (ii) 3. Fill in the blanks with the correct word. a. GUI b. icon c. Accessories d. notification area e. Sticky Notes 4. Put a tick () if the given statement is correct and a cross () if it is wrong. a. b. c. d. e. 5. Answer the questions. a. Microsoft Windows, UNIX b. When you switch on the computer, first the parts of the computer system are checked. Then, the operating system loads into the computer s memory from the hard disk. This process is known as booting. c. The desktop is the first screen that appears after the booting process is completed. d. Start button, taskbar buttons and notification area. e. The desktop background, also called as wallpaper, is a picture used as a background on the computer s screen. f. The screen saver is an animated image that you see on the monitor when you leave the computer idle for some time. As soon as you press any key on the keyboard or move your mouse, it disappears. OBJECTIVE Lesson 3: Advanced Features of Paint This lesson discusses some advanced features of Paint. After the completion of this lesson, the students will be able to select an image using different selection options cut/copy and paste the selected portions of an image crop, flip/rotate and resize an image use options of View tab to see an image in different ways DISCUSSION Recall the different features of MS Paint and the different tools learnt in the previous class. Ask students to draw a picture. The students should save their drawings. Demonstrate how to open a saved drawing. Introduce students to the Select tool present in the Image group on the Home tab. This tool provides different options for selecting images such as Rectangular selection, Freeform selection, Select all and Transparent selection option. Demonstrate to students how to use these options for selecting images. Tell students that they can also move or make multiple copies of a selected image using the cut/paste and copy/paste command, respectively. 4

5 Demonstrate the use of Crop option to crop an image. Ask students to draw an arrow pointing towards right. Show them how to flip the arrow horizontally or vertically using flip horizontal or flip vertical option, respectively under the Rotate button. Tell them they can also rotate the selected image by 90 (left or right) or 180 using the Rotate option. Ask them to draw a square, select it and then use the Resize option to change it to a rectangle. Also, show students how to change the rectangle into a parallelogram using the Skew option in Resize and Skew dialog box. Show them how View tab can be used to see the larger, smaller or full screen view of the image. ACTIVITIES Ask students to create a scene of a garden. Students should be able to make use of copy and paste options to make multiple copies of trees and flowers in the garden scene. Ask them to use the Transparent selection option while copying and pasting. Encourage students to use their imagination and create designs of their own. They should be able to use different options like Crop, Resize, Flip, Rotate and Skew. ANSWERS 1. Match the icons with their name. a - (iii), b - (v), c - (iv), d - (i), e - (ii) 2. Read the description and write the name of the correct option. a. Select all b. Flip vertical c. 100% d. Crop 3. Fill in the blanks with the correct word. a. Rectangular selection b. Clipboard c. Flip horizontal d. Skew e. Full screen 4. Put a tick () if the given statement is correct and a cross () if it is wrong. a. b. c. d. e. 5. Answer the questions. a. Transparent selection option makes the selection transparent so that no background colour is selected. b. The Cut option removes the selected part from its original location. The Copy option copies the selected part, but does not remove it from its original location. c. Rotate right 90, Rotate left 90, Rotate 180 d. Skewing lets you change the angle of an image in horizontal or vertical direction. e. The Zoom in option is used to magnify (larger view) the selected part of a picture or the whole picture. On the other hand, the Zoom out option is used to to see the selected part of a picture or the whole picture in a smaller size. f. When you cut or copy a part of an image or the entire image, the cut or copied part is stored in a temporary place called Clipboard. 5

6 OBJECTIVE Lesson 4: Introduction to LOGO This lesson discusses the basics of the LOGO language. The students will be introduced to the concepts of computer languages using LOGO. After the completion of this lesson, the students will be able to start MSWLogo identify parts of MSWLogo window use different commands of LOGO such as FORWARD, BACK, RIGHT, LEFT, HOME, SETH, CLEARTEXT, CLEARSCREEN, CLEAN, HIDETURTLE, SHOWTURTLE, TIME and BYE exit from MSWLogo window DISCUSSION Begin the lesson with the discussion on human languages. Ask students the importance and need of a language. Help them understand the need for a computer language and discuss the different kinds of computer languages. Introduce students to the computer language LOGO which is a very useful part of computing activities in the primary school. However, the best use of LOGO is based on a few assumptions. Firstly, LOGO as a programming language can be used to develop basic programming skills. Secondly, LOGO can be used to draw geometric shapes. Finally, LOGO turtle is an object to think with ; children can be encouraged to explore ideas and solve problems with the turtle. Different versions of LOGO are available on the Internet like PC LOGO and MSWLogo. Make sure that LOGO is installed in every machine. Demonstrate the steps to open the LOGO window. Once all students have opened the LOGO window, explain the different parts of the LOGO window. Explain what is LOGO turtle and LOGO commands. The most popular and widely recognised LOGO object is the turtle. A LOGO turtle is a special type of graphic cursor that makes it easy and fun to make colorful computer graphics. Students can think of the LOGO turtle as an actor or agent in carrying out the commands they give it to create graphical images on their computer screen. LOGO provides a wide range of intuitive commands to control the turtle and these commands are known as primitives. The students should follow the rules given here for writing LOGO commands. a. They must write the correct spellings of the commands. b. They must leave a space between the command and the number. c. Once the command and the number are written, they must press the Enter key. As soon as the Enter key is pressed, turtle executes the given instruction. The lesson discusses the basic LOGO commands. Give examples of FORWARD, BACK, RIGHT, LEFT, HOME, CLEARTEXT, CLEAN, CLEARSCREEN, TIME and BYE primitives. Explain the concept of angles to the students before starting the RT and LT commands. Clarify the difference between the CLEARTEXT, CLEARSCREEN and CLEAN commands. 6

7 ACTIVITIES Draw objects or geometric figures using LOGO commands like FORWARD, BACK, LEFT and RIGHT. Display the current time and date on the LOGO screen. ANSWERS 1. Write the LOGO commands to do the following tasks. a. CLEARSCREEN b. HOME c. BYE d. RIGHT e. BACK 2. Write the short form of the following LOGO commands. Command FORWARD BACKWARD CLEARSCREEN RIGHT LEFT FD BK CS RT LT Short form 3. Fill in the blanks with the correct word. a. computer b. MSWLogo Screen, Commander Window c. primitives d. Enter e. Input Box 4. Put a tick () if the given statement is correct and a cross () if it is wrong. a. b. c. d. e. 5. Answer the questions. a. In MSWLogo window, a small triangle is seen at the centre of the Graphics Screen. this triangle is known as the turtle. It has a pen that draws figures on the screen. When you give commands, the turtle moves on the Graphics Screen, leaving a line behind. b. FD command moves the turtle forward in the direction in which it is pointing. Along with FD command, you also need to tell how many steps the turtle should move. c. In Commander Window, the Input Box is the place where you type the commands to do tasks. d. HOME command brings the turtle to its starting position, also called as home position. The turtle s home is at the centre of the Graphics Screen. e. TIME command displays the current day, date and time in the Recall List Box. The time is displayed in the 24-hour format. f. (i) SETH and RIGHT Both SETH and RIGHT commands rotate the turtle in a clockwise direction by the specified angle. The only difference is that each time, when you use SETH command, the turtle turns from its home position instead of the current position. (ii) CLEARSCREEN and CLEAN CLEARSCREEN command clears the figures drawn on the Graphics Screen and brings the turtle back to its home position. CLEAN command also erases the drawing on 7

8 the Graphics Screen. However, it does not bring the turtle back to its home position. The turtle remains at its previous position. (iii) HIDETURTLE and SHOWTURTLE HIDETURTLE command makes the turtle disappear from the Graphics Screen, while the SHOWTURTLE command is used after HT command to make the turtle reappear on the Graphics Screen. ANSWERS TO ACTIVITIES 1. Write the LOGO commands to draw the letters A, L and Z. a. Commands to draw letter A RT 30 FD 120 RT 120 FD 120 BK 50 RT 120 FD 70 HT b. Commands to draw letter L LT 90 FD 40 FD 60 HT c. Commands to draw letter Z LT 90 FD 40 RT 135 FD 60 LT 135 FD 40 HT 2. Type and execute the following LOGO commands. Also, draw the respective figures in the space provided? a. b. c. 3. Write the LOGO commands to draw the following figures. a. FD 120 FD 150 FD 70 FD 150 8

9 HT b. FD 70 LT 90 FD 70 LT 90 FD 70 FD 70 FD 70 HT c. FD 135 RT 110 FD 80 RT 70 FD 80 RT 70 FD 80 HT d. FD 40 FD 120 LT 90 FD 20 RT 120 FD 80 RT 120 FD 80 RT 120 FD 20 LT 90 FD 120 HT OBJECTIVE Lesson 5: Arithmetic Operations in LOGO This lesson discusses how to perform mathematical operations in LOGO. Students have already learnt to draw figures in LOGO. After the completion of this lesson, the students will be able to use PRINT command perform mathematical operations using arithmetic operators as well as LOGO commands move the turtle using mathematical operations DISCUSSION Students have studied about the basics of LOGO in the previous lesson. Begin this lesson with a discussion on the commands used earlier. 9

10 Explain the PRINT command. Show students how they can write any number, a word or a sentence in the Recall List Box of the Commander Window using the PRINT command. Explain the use of PRINT command in mathematical calculations. Explain different operations that can be performed on numbers in LOGO using various arithmetic operators (+, -, * and /) and LOGO operator commands (SUM, DIFFERENCE, PRODUCT, QUOTIENT and REMAINDER). Demonstrate to students how arithmetic operations are used with drawing commands of LOGO to move the turtle on the Graphics Screen and draw figures. ACTIVITIES Ask students to write a few sentences on the following topics using the PRINT command. 1. Yourself 2. Your school 3. Your best teacher 4. About Logo Ask them to draw various geometrical shapes by using the mathematical operations along with the LOGO commands. ANSWERS 1. Circle the correct option. a. (iii) b. (i) c. (ii) d. (ii) 2. Fill in the blanks with the correct word. a. PRINT b. DIFFERENCE c. PRODUCT d. REMAINDER e. SUM 3. Find and correct the errors in the following commands. a. PRINT [I READ NOVELS] b. PRINT (PRODUCT 4 8 9) c. PRINT [I WATCH CARTOONS] d. PRINT SUM 12 5 e. PRINT QUOTIENT Put a tick () if the given statement is correct and a cross () if it is wrong. a. b. c. d. e. 5. Answer the questions. a. The PRINT (also written as PR) command displays a number, text or the result of some operations in the Recall List Box of the Commander Window. b. SUM, DIFFERENCE, PRODUCT, QUOTIENT and REMAINDER c. The QUOTIENT command divides two numbers and gives quotient, whereas the REMAINDER command gives the remainder obtained on dividing two numbers. d. Different commands that can be used to find the sum of numbers 56, 43 and 21 are: PRINT OR PRINT (SUM ) e. The DIFFERENCE command gives the difference between two numbers. 10

11 ANSWERS TO ACTIVITIES 1. Write the output of the following commands. a. HELLO b. 17 c d. 64 e. 15 f. I AM A SWIMMER g What LOGO commands will you use to get results of the following arithmetic operations? a. PRINT OR PRINT SUM b. PRINT OR PRINT DIFFERENCE c. PRINT 96*23 OR PRINT PRODUCT d. PRINT 35*67*47 OR PRINT (PRODUCT ) e. PRINT 546/78 OR PRINT QUOTIENT Type and execute the following LOGO commands. Also, draw the respective figures in the space provided? a. b. OBJECTIVE Lesson 6: Introduction to MS Word 2007 This lesson provides a bird s-eye view to the most popular word processing program Microsoft Word. The students will acquire the ability to create basic word processing documents. After the completion of this lesson, the students will be able to start Microsoft Word 2007 in Windows 7 identify parts of Microsoft Word window create, save, open and print a document in MS Word close a document and exit from Word DISCUSSION Begin the lesson with a discussion on word processors. Discuss the definition of a word processor and its uses and types such as WordPad and Microsoft Word (MS Word). 11

12 Demonstrate how to open MS Word 2007 in Windows 7. Show different parts of MS Word window. Move the mouse around the Word window to identify different elements title bar, Quick Access Toolbar, Ribbon, status bar and so on. Show them how various commands of MS Word 2007 are organized into groups under various tabs placed on the Ribbon. Demonstrate how to create a new document and insert text in it. Show how to open, save and close a Word document using the Office button. Discuss among students the difference between Save and Save As options. Tell how Word saves a document and how Word 2007 automatically adds a period (.) and an extension docx to the file name. Show them how they can take printout of their document and exit from Word. ACTIVITY Ask students to write a story, a poem or a quotation in MS Word. Ask them to save their work. Also, make sure that each student is able to print his/her document at the end of the unit. ANSWERS 1. Circle the correct option. a. (iii) b. (i) c. (i) d. (i) 2. Write the name of the labeled parts of MS Word window beside the number. 1. Quick Access Toolbar 2. Office Button 3. Rulers 4. Cursor 5. Document area 6. View buttons 3. Fill in the blanks with the correct word. a. Quick Access Toolbar b. Office Button c. vertical d. cursor e. groups 4. Put a tick () if the given statement is correct and a cross () if it is wrong. a. b. c. d. e. 5. Answer the questions. a. Microsoft Word (MS Word or simply Word) is a popular and user-friendly word processing software that lets you prepare stories, letters, notices and other documents on a computer. b. A blinking vertical bar at the top-left corner in the document area is the cursor. It tells the position where the text you type appears. c. To close a document in MS Word, follow any of the steps given below. Click the Office Button and then click Close option from the menu that appears. Click the Close button on the top-right corner of the MS Word window. d. Home, Insert, Page Layout, References, Mailings, Review and View. 12

13 e. In a Word document, the status bar displays information about the document, such as the current page number, total number of pages and the number of words in your document. f. The document area is a large white space in MS Word window where you can start typing. OBJECTIVE Lesson 7: Have Fun with Tux Paint This lesson familiarises students with a new drawing and painting software named Tux Paint. It is a free, simple and an easy to use drawing program. After the completion of this lesson, the students will be able to open the Tux Paint program in Windows 7 get familiar with the interface of Tux Paint use various tools of Tux Paint such as Paint tool, Lines tool, Shapes tool, Text tool, Undo tool, Redo tool and Eraser tool and draw beautiful pictures create, save, open and print a drawing in Tux Paint close the Tux Paint program DISCUSSION Begin the lesson by explaining the difference between MS Paint and Tux Paint. Tell them that MS Paint comes with Windows operating system, whereas Tux Paint is a free drawing software that can be downloaded from the Internet. Also, tell them that Tux Paint provides many built-in shapes and figures which you can directly place in your drawing to make it look more appealing. It has fun sound effects that are played while selecting and using the tools. Demonstrate to students the steps to open Tux Paint in Windows 7. Familiarise them with the various parts of Tux Paint window. Show them the cartoon mascot (penguin) of Tux Paint. Tell them that this mascot gives hints, tips and other information to guide you as you use the program. Demonstrate the use of various tools available in Tux Paint. Show them how to use various tools to draw pictures and fill colours in them. Demonstrate the steps to open a new drawing, save a drawing, open a saved drawing and print a drawing in Tux Paint. ACTIVITY Ask students about the different Tux Paint tools such as their names and use. Ask them to open the Tux Paint program and give exercises so that they can use different tools. Instruct students to use shape tools to draw different geometric shapes. ANSWERS 1. Label the main screen of Tux Paint shown here. 1. Toolbar 2. Drawing canvas 3. Selector 4. Colour palette 13

14 5. Help area 2. Put a tick () if the given statement is correct and a cross () if it is wrong. a. b. c. d. e. 3. Write the name of the tool needed to do the following. a. Lines tool b. Open tool c. Shapes tool d. Quit tool e. Undo tool 4. Circle the correct option. a. (ii) b. (i) c. (i) d. (iii) e. (ii) 5. Fill in the blanks with the correct word. a. drawing canvas b. Up, Down c. Paint d. Redo e. Ctrl+O LOGO 1. Commands to draw a house LT 90 FD 460 RT 135 FD 150 RT 45 FD 355 FD 357 FD 460 FD 250 RT 45 FD 150 FD 150 RT 45 FD 250 HT 2. Commands to draw a boat LT FD SUM RT 30*2 FD RT PRODUCT FD SUM CHALLENGE TIME 14

15 RT QUOTIENT FD PRODUCT 20 2 BK LT DIFFERENCE FD 35*2 LT FD RT 50 REVISION 1 (Based on Lessons 1, 2, 3 and 4) 1. Tick () the correct option. a. (iii) b. (iv) c. (i) d. (ii) e. (iii) f. (ii) 2. Fill in the blanks. a. system, application b. screen saver c. Flip horizontal d. LEFT e. taskbar f. presentation 3. Put a tick () if the given statement is correct and a cross () if it is wrong. a. b. c. d. e. f. 4. Circle the odd one out from the following groups. a. b. CLEARTEXT c. d. REVISION 2 (Based on Lessons 5, 6 and 7) 1. Tick () the correct option. a. (iii) b. (i) c. (iv) d. (i) e. (ii) f. (iv) 2. Fill in the blanks. a. SUM b. Text c. rulers d. Delete, Backspace e. Eraser f. Ctrl+N 3. Put a tick () if the given statement is correct and a cross () if it is wrong. a. b. c. d. e. f. 15

16 4. Find out the following words in the given grid and encircle them. CLASS 3 SAMPLE PAPER 1 1. Fill in the blanks. a. LOGO stands for.. b. The final result obtained after the processing of data is known as.. c. The. option in Paint lets you select the whole drawing area. d. Windows 7 is a. based operating system. e. After the booting process is completed, the first screen that appears is called the.. f. In Tux Paint window, the. shows various options depending on the tool currently selected in the toolbar. g. In Paint, the. tool is used to select an irregular portion of an image. h. In LOGO, the. command turns the turtle towards the right side. i. The LOGO commands are typed in the.. j. In MS Word, each tab on the Ribbon is divided into different. 2. Put a tick () if the given statement is correct and a cross () if it is wrong. a. Notepad is an example of application program. b. Windows 7 includes Calendar gadget. 16

17 c. The output displayed on the monitor is known as the hard copy. d. You cannot change the size of an image in Paint. e. In LOGO, the turtle cannot be moved backward. f. The Cut and Copy options cannot work without the Paste option. g. In LOGO, the PRINT command cannot be used to print a sentence. h. In Tux Paint, you can select a picture background to start a new drawing. i. Desktop icons are also called shortcuts. j. A Word document has.exe extension. 3. Circle the correct option. a. Which part of the MS Word window shows the height and width of a page? (i) Rulers (ii) Scroll bars (iii) Document area b. Which of the following operators in LOGO is used to multiply two numbers? (i) ^ (ii) % (iii) * c. Which of the following options in Paint lets you select the whole drawing area? (i) Rectangular selection (ii) Select all (iii) Transparent selection d. Which of the following is an example of hardware? (i) Keyboard (ii) MS Paint (iii) Notepad e. Which are the mini programs displayed on the desktop? (i) Screen saver (ii) Gadgets (iii) Sticky Notes 4. Match the picture with what it is used for. (Refer to page 21, Lesson 2, Question 2) 5. Answer the questions. a. Define software. Name the two categories of computer software. b. Define desktop? c. Write the difference between Cut and Copy option. d. What is the use of TIME command in LOGO? e. Name the operator commands provided by LOGO. f. Mention the two different ways of closing a document in MS Word. g. Write the shortcut key to save a picture in Tux Paint. 6. Write the LOGO commands to do the following. a. To find the sum of 51 and 32 b. To find the product of 10 and 7 c. To find the quotient obtained by dividing 45 by 9 d. To find the remainder obtained by dividing 40 by 9 17

18 7. Write the LOGO commands to draw the following figures. a. b. CLASS 3 SAMPLE PAPER 2 1. Fill in the blanks. a. The. LOGO command gives the difference between two numbers. b. In Windows 7,. help us to create short text notes on the desktop. c. In Paint, the. Option gives the mirror image of the selected image. d. The computer. refers to the physical components of a computer system that we can touch and feel. e. In MS Word window, the. is present on the left side of the title bar. f. The cut or copied part of an image is stored in a temporary place called.. g. In Tux Paint, the. tool lets you draw freehand images. h. The. is an animated image which is displayed on the monitor if your computer is left idle for some time. i. MSWLogo window has two separate windows, namely, MSWLogo Screen and.. 2. Put a tick () if the given statement is correct and a cross () if it is wrong. a. MS Word is a word processing software. b. The Select all option is present on the View tab in Paint. c. In MS Word, the Ribbon measures the width and height of a page. d. In LOGO, the SUM command can add only two numbers. e. The SETH command rotates the turtle in a clockwise direction. f. We cannot touch and feel the software. g. Microsoft released Windows 7 in h. The toolbar in Tux Paint has 16 different tools. 18

19 i. The command FD will move the turtle forward by 50 units. j. In Tux Paint, the Eraser tool helps you to remove a part of your drawing. 3. Find and correct the errors in the following LOGO commands. (Refer to page 62, Lesson 5, Question 3) 4. Circle the correct option. a. Which group on the Home tab of Paint contains the option to display the image in full screen mode? (i) Display (ii) Zoom (iii) Show or hide b. Which of the following devices produces the hardcopy of the output? (i) Monitor (ii) Speakers (iii) Printer c. Which button is present on the extreme left corner of the taskbar? (i) Internet Explorer (ii) Show desktop (iii) Start d. Which of the following LOGO commands is used to find the difference between two numbers? (i) DIFF (ii) DIFFERENCE (iii) SUBTRACT e. This is the area where the carton mascot of the Tux Paint program appears. (i) Selector (ii) Help area (iii) Drawing canvas 5. Answer the questions. a. Define the terms input, processing and output. b. What does the status bar display in a Word document? c. Name the various parts of the taskbar in Windows 7. d. What is the difference between QUOTIENT and REMAINDER command in LOGO? e. Name different options available to rotate an image in Paint. f. What dos HOME command do in LOGO? 6. Write the LOGO commands to do the following. a. To find the difference of 87 and 56 b. To find the sum of 56, 12 and 78 c. To find the product of 4, 9 and 10 d. To find the quotient obtained by dividing 112 by Write the LOGO commands to draw the following figures. a. b. 19