Definition, Types, and Usage of Input Devices

Subject: Information Technology
Class: SS1
Term: First Term
Week: 4
Age: 14-16 years
Topic: Input Devices
Sub-topic: Definition, Types, and Usage of Input Devices
Duration: 80 minutes

Behavioral Objectives

By the end of the lesson, students should be able to:

1. Define and explain the term input devices.
2. List examples of common input devices.
3. Demonstrate basic usage of the keyboard and mouse.
4. Differentiate between the mouse and keyboard based on their functions and operation.

Keywords

• Input Device
• Keyboard
• Mouse
• Functionality
• Computer Operation

Set Induction

Begin the lesson by showing students a keyboard and mouse. Ask students which device they would use to type and which one they would use to click or select items on the screen.

Entry Behavior

Students have likely seen or used a keyboard and mouse but may not know their specific functions or how they classify as input devices.

Learning Resources and Materials

1. Real keyboard and mouse for demonstration.
2. Projector to display images of various input devices.
3. Digital presentation on types of input devices.

Building Background/Connection to Prior Knowledge

Relate input devices to tools students may have used on smartphones, like typing on a virtual keyboard or tapping icons.

Embedded Core Skills

• Digital Literacy: Recognizing and using basic input devices.
• Critical Thinking: Differentiating functions between devices.
• Collaboration: Participating in group demonstrations.

Learning Materials

• Lagos State Scheme of Work
• Standard IT Textbooks for SS1
• Additional online resources (embedded links)

Reference Books

• Lagos State Unified Schemes of Work for Senior Secondary Schools
• SS1 Information Technology textbooks

Instructional Materials

• Physical keyboard and mouse
• A projector to show the functionality of various input devices
• Presentation slides on common input devices

Content Outline

1. Definition of Input Devices
   • Input Devices are hardware components that allow users to enter data or commands into a computer system. Examples include the keyboard, mouse, scanner, and webcam.
   • To explore more on input devices, visit Computer Hope.
2. Examples of Input Devices
   • Keyboard: Used for typing text, numbers, and commands. The keyboard includes letters, numbers, symbols, and function keys.
   • Mouse: A pointing device used to select, drag, or click items on a computer screen.
   • Scanner: Converts physical documents or images into a digital format.
   • Webcam: Captures live images or videos, often used for video calls.
   • Microphone: Captures audio for recording or communication.
3. Demonstrating Keyboard Usage
   • Typing: Typing letters and numbers by pressing keys.
   • Function Keys: Shortcuts for common functions (e.g., F1 for help).
   • Navigation Keys: Arrow keys for moving the cursor on the screen.
   • For more information on keyboard functions, check out Techopedia’s Keyboard Guide.
4. Demonstrating Mouse Usage
   • Clicking: Pressing the left or right button to select items.
   • Dragging: Holding a button and moving the mouse to move items.
   • Scrolling: Using the scroll wheel to move up or down on a page.
5. Difference between Mouse and Keyboard
   • Mouse: Primarily used for navigating and selecting items on the screen. It allows actions like clicking, dragging, and scrolling.
   • Keyboard: Primarily used for typing and entering commands. It provides shortcuts and allows extensive data entry.

Objective Questions

1. An input device that allows typing is called the _______.
   a) mouse b) printer c) keyboard d) monitor
2. The device primarily used for selecting and clicking on items on a screen is the _______.
   a) keyboard b) scanner c) mouse d) monitor
3. The _______ key on the keyboard is often used for quick help.
   a) F1 b) Enter c) Shift d) Backspace
4. Which of these is NOT an input device?
   a) Printer b) Keyboard c) Mouse d) Scanner
5. The _______ allows a user to point and interact with items on a screen.
   a) keyboard b) scanner c) monitor d) mouse
6. The _______ key moves the cursor to the next line while typing.
   a) Shift b) Enter c) Control d) Spacebar
7. The device used to digitize printed images or text is the _______.
   a) keyboard b) mouse c) scanner d) webcam
8. A device that records audio is the _______.
   a) microphone b) scanner c) mouse d) monitor
9. Which device would you use to navigate a webpage without typing?
   a) Keyboard b) Mouse c) Printer d) Monitor
10. The arrow keys are located on the _______.
    a) scanner b) monitor c) keyboard d) printer
11. Which input device is ideal for capturing video footage?
    a) Scanner b) Webcam c) Mouse d) Microphone
12. The right-click function on a mouse usually opens a _______.
    a) dialog box b) program c) settings d) webpage
13. A portable device for voice input is a _______.
    a) speaker b) microphone c) monitor d) scanner
14. To move the cursor left and right on a screen, a user might use the _______.
    a) arrow keys b) function keys c) control keys d) numeric keys
15. A keyboard and mouse are both examples of _______ devices.
    a) input b) output c) storage d) processing

Class Activity Discussion

1. What is an input device?
   • Devices used to enter data or commands into a computer.
2. List three examples of input devices.
   • Keyboard, mouse, and scanner.
3. Explain the function of a keyboard.
   • It is used for typing text and entering commands.
4. How is a mouse different from a keyboard?
   • A mouse is mainly for navigating, while a keyboard is for typing.
5. Name two actions you can perform with a mouse.
   • Clicking and scrolling.
6. How does a scanner work?
   • It captures physical documents and converts them to digital files.
7. What does the Enter key do?
   • It moves the cursor to the next line or completes a command.
8. Identify one use of the microphone.
   • Recording audio for calls or voice input.
9. What does double-clicking on a mouse usually do?
   • It opens a file or program.
10. What is the function of the spacebar on a keyboard?
    • To insert spaces between words when typing.
11. How does a webcam help in online communication?
    • It captures video for live streaming or video calls.
12. What is the purpose of the backspace key?
    • To delete characters to the left of the cursor.
13. Can you name an input device used for entering spoken commands?
    • Microphone.
14. What happens when you use the scroll wheel on a mouse?
    • It moves the screen content up or down.
15. How can arrow keys be used during typing?
    • To navigate text without using the mouse.

Evaluation Questions

1. Which device is primarily used for entering text?
   a) Mouse b) Keyboard c) Printer d) Monitor
2. A mouse is mainly used for _______ on a screen.
   a) typing b) scrolling c) printing d) saving
3. Which key on the keyboard is used to delete characters to the left?
   a) Enter b) Shift c) Backspace d) Control
4. The device used to input audio is the _______.
   a) monitor b) scanner c) keyboard d) microphone
5. Which device would you use to capture a live video?
   a) Printer b) Mouse c) Webcam d) Scanner
6. The device best suited for navigating documents without typing is the _______.
   a) keyboard b) mouse c) monitor d) scanner
7. The keyboard’s arrow keys are used for _______.
   a) typing text b) navigating within text c) changing font d) saving files
8. Double-clicking on a mouse often results in _______.
   a) text deletion b) file opening c) saving d) printing
9. The component ideal for inserting spaces between words is the _______.
   a) Spacebar b) Enter key c) Shift key d) Tab key
10. Which of these is an input device used for typing commands?
    a) Monitor b) Printer c) Keyboard d) Scanner

Conclusion

The teacher reviews the definitions and examples of input devices, emphasizing the unique functions of the keyboard and mouse, and clarifies any remaining questions from students.

Definition, Types, and Usage of Output Devices