CLASS 3 2022-23

Lesson - 1

• A1. b A2. b A3. a A4. c
• B1. hardware, software 2. programs 3. operating system 4. input devices
• D1. Mouse, Monitor D2. Windows 10, Windows 8
• E1. The two types of computer software are:
• 1. Application software 2. System software

Diapositiva 2

• E2. 1. Mother board 2. RAM 3. Hard disk 4. SMPS
• F1. A computer system is an electronic machine which generate information from data.
• F2. Computer hardware refers to the parts of a computer system that can touch and feel. example: monitor, mouse.

Diapositiva 3

• G. Write the differences between application software and system software.
• Ans. Application software helps us in doing some specific work like drawing, calculation etc. but system software like an operating system helps us in operating a computer.
• H. Riya wants to .... the cartoon movie?
• Ans. She should use a suitable multi media software.

Lesson 2 Page 17

• A 1. C 2. A 3. A 4. C 5. C
• B. 1. T 2. T 3. T 4. T 5. F
• C1. manager C2. System Tray C3. wait C4. screen saver
• D1. Where do you find the Start button?
• Ans. We find the start button at the left side of task bar.

Diapositiva 5

• D2.Name the first screen you see when you start the computer.
• Ans. It is called desktop.
• E1. What is displayed on the system tray?
• Ans. It shows system date and time.
• E2. Name any 2 operating system.
• Ans. (i) Unix (ii) Linux

Diapositiva 6

• F1. What is desktop background?
• Ans. The picture on the desktop is called desktop background.
• F2. What is an icon?
• Ans. The small pictures on the desktop are called icons.

Diapositiva 7

• G. What is an operating system? Write two features of windows operating system.
• Ans. An operating system is the manager of a computer system.
• (i) easy to use (ii) safe and secure
• FUN ZONE- ICONS, START BUTTON, QUICK LAUNCH

Lesson - 3

• a1. c a2. a a3. c a4. b a5. a
• b1. height b2. Paint 3d b3. create points b4. handler b5. color
• c1. T c2. T c3. F c4. T
• D1. Define brushes.
• Ans. Brushes shows different types of brushes.

Diapositiva 9

• D2. What is a rotate button?
• Ans. The rotate button, rotates the shape.
• E1. What do you mean by a 3d shape?
• Ans. A 3d shape has all 3 dimensions, i.e. length, breadth and height.
• E2. What is the use of stickers?
• Ans. Stickers option is used to add different stickers.

Diapositiva 10

• F1. Define canvas.
• Ans. It is the plain white area for drawing.
• F2. What is the function of commit button?
• Ans. It completes the editing of shape.

Diapositiva 11

• F3. What do you mean by the Make 3D button?
• Ans. To change any shape from 2D to 3D, click the 'Make 3D' button.
• F4. Define 3D library.
• Ans. It is a big collection of 3D objects.

Diapositiva 12

• G1. Write the steps used to change the colour of any shape.
• Ans. 1. Select the shape.
• 2. Click the Edit colour option.
• 3. Choose the colour and click the button 'Add color option'.

Diapositiva 13

• G2. Write the steps to make a 3D drawing.
• Ans. (i) Click the 3D shapes button from the toolbar.
• (ii)Drag the mouse on the canvas to draw a shape.
• G3. How do you save a drawing in paint 3D?
• Ans. (i) Click the menu option and choose save button.

Lesson - 4

• A1. A A2. C A3. C A4. C A5. A
• B1. T B2. F B3. F B4. F B5. T
• C1. 2 C2. 3 C3. 5 C4. 1 C5. 4
• D1. word processor D2. TITLE BAR D3. SAVE D4 . MS WORD
• D5. .docx

Diapositiva 15

• E1. Name any two work processing software.
• Ans. Word perfect, Adobe Page Maker
• E2. What is the shortcut to print an MS Word file?
• Ans. Ctrl + P

Diapositiva 16

• F1. What is a ribbon?
• Ans. A group of buttons is called a ribbon.
• F2. What is a cursor?
• Ans. The blinking line on the document area is called the cursor.

Diapositiva 17

• G1. Give two uses of MS Word 2016.
• Ans. (i) To write poem. (ii) To write stories.
• H1. Write the steps to open MS Word 2016.
• Ans. To open MS Word: (i) Click the start button.
• (ii) Search for MS Word and click it.

Diapositiva 18

• H2. Write the steps to save a file in MS Word 2016.
• Ans. To save a file: (i) Click the save icon or press Ctrl + S keys.

Lesson - 5 MS WORD 2016

• A1 a A2. a A3. a A4. c A5. b
• B1. toggle case B2. Ctrl + R B3. Ctrl + Shift + L B4. Ctrl + X
• C1. What is alignment?
• Ans. The way in which text is placed on a page is called alignment.
• C2. What is the difference between copying and moving text?
• Ans. Copying means to copy text and moving means to shift the text from one place to another.

Diapositiva 20

• D1. What is editing?
• Ans. Making changes in a document is called editing.
• D2. What is fonts? Name any two fonts.
• Ans. Font is the look and shape of the letters of the text.
• 1. Times New Roman 2. Arial 3. Calibri

Diapositiva 21

• E1. What is formatting?
• Ans. Formatting means changing text in a document to make it attractive.
• E2. How do you make the text bold?
• Ans. To make the text bold, select the text and press the bold button.

Diapositiva 22

• F1. What is the difference between undo and redo?
• Ans. The undo button cancels last action but redo button repeats it.
• F2. Write the steps to change the font of the text.
• Ans. 1. select the text.
• 2. click the font list box and choose your font.

Diapositiva 23

• F3. How do you create lists with bullets?
• Ans. 1. Type the list items.
• 2. Select the list items.
• 3. Click the bullets button.

Lesson - 6 Coding

• A1. B A2. A A3. B
• B1. binary B2. Start B3. instructions
• C1. C C2. D C3. A C4. B
• D1. Name any two apps.
• Ans. Microsoft Paint, Notepad, Media Player

Diapositiva 25

• D2. Which language does the computer understand?
• Ans. A computer understand only binary language.
• E1. Which option in the start menu contains WordPad program?
• Ans. Windows Accessories.
• E2. What is step by step thinking?

Diapositiva 26

• Ans. The step by step thinking help us to perform any activity easily and effectively.
• F1. What is programming language?
• Ans. Programming language help us to communicate with computers.
• F2. What is a program?
• Ans. Writing instructions for a computer is called a program.

Diapositiva 27

• G1. What is the need of step by step instruction?
• Ans. Computer can not think so it needs step by step instructions.
• G2. Write the steps to start word pad.
• Ans. 1. Click the start button, windows accessories.
• 2. Click word pad.

Lesson -7 Scratch

• A1. C A2. A A3. B A4. C A5. B
• B1. Title bar B2. Block palette B3. Load from your computer
• B4. Script B5. Stay
• C1. T C2. F C3. T C4. F

Diapositiva 29

• D1. What is a sprite?
• Ans. A sprite is an object that performs various actions on the stage.
• D2. What is a stage?
• Ans. Stage is the area where the sprite performs all the actions.
• E1. What is script?
• Ans. Script is the combination of various blocks to perform a task.

Diapositiva 30

• E2. Name the option used to continue working in Scratch?
• Ans. The create option is used.
• F1. What do you mean by Blocks palette?
• Ans. The blocks palette has various group of commands like motion, sound etc.

Diapositiva 31

• F2. What is the use of Motion Block?
• Ans. The Motion block is used to move any sprite.
• G1. What is the difference between Pen up block and Pen down block?
• Ans. The pen down block draw a line but Pen up block does not draw any line.

Diapositiva 32

• G2. Write the steps to make a duplicate copy of a sprite.
• Ans. To make a duplicate copy of a sprite:
• 1. Right click over the sprite.
• 2. Choose Duplicate option.
• H. He should use 'change pen color' option.

Lesson -8

• A1 C A2. B A3. C A4. MS Word
• B1. M O D E M
• B R O W S E R
• W E B S I T E
• N E T W O R K I N T E R N E T

Diapositiva 34

• 1. WEB PAGE - (C)
• 2. INTERNET - (A)
• 3. WEB BROWSER - (D)
• 4. WEBSITE - (B)
• D1. Name any two web browsers
• Ans. Google chrome, mozilla firefox

Diapositiva 35

• D2. What is a telephone network?
• Ans. In a telephone network, our phones are connected.
• E1. Give two examples of a website.
• Ans. www.google.com, www. amazon.com
• E2. Write the full form of www.
• Ans. World Wide Web

Diapositiva 36

• F1. What is Internet?
• Ans. Internet is a biggest network of computers.
• F2. What is the use of address bar?
• Ans. The address bar is used to write website address.
• G1. Write any 3 uses of Internet.
• Ans. Three uses of internet are: search, purchase online, send and receive messages.

Diapositiva 37

• H1. Google Chrome, Mozilla Firefox
• H2. E-mail.