The Keyboard and Its Sections – Understanding Standard and Enhanced Keyboards
JSS 1 Computer Studies – Week 9 Lesson Note
The Keyboard and Its Sections
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Lesson Note Format
Subject: Computer Studies
Class: JSS 1
Term: Second Term
Week: 9
Age: 10 – 12 years
Topic: The Keyboard and Its Sections
Sub-topic: Definition, Types, and Sections of a Keyboard
Duration: 40 minutes
Behavioral Objectives
By the end of the lesson, students should be able to:
- Define a keyboard.
- Identify and differentiate between the types of keyboards.
- List and explain the different sections of a keyboard.
- Explain the function of each section of a keyboard.
Keywords
- Keyboard
- Standard keyboard
- Enhanced keyboard
- Function keys
- Alphanumeric keys
- Navigation keys
Set Induction (Introduction)
The teacher asks students:
- “What do you press on a computer to type words?”
- “Have you seen different keyboards with different layouts?”
- “What are the most important keys on a keyboard?”
This introduction will help students recall what they already know about keyboards and spark their interest in the lesson.
Entry Behavior
Students have previously learned about word processing and features of a computer. This lesson builds on that knowledge by explaining how a keyboard is used for input.
Learning Resources and Materials
- Physical keyboard (if available)
- Chart displaying a labeled keyboard layout
- Projector or printed images of different keyboard types
Building Background / Connection to Prior Knowledge
Students have used keyboards on computers, tablets, or mobile phones. This lesson will help them understand the structure and types of computer keyboards.
Embedded Core Skills
- Digital literacy
- Observation skills
- Problem-solving
Reference Books
- Lagos State Unified Scheme of Work
- Introduction to Computer Studies for JSS 1
Lesson Content
Definition of a Keyboard
A keyboard is an input device used to enter text, numbers, and commands into a computer. It contains multiple keys arranged in different sections, each with a specific function.
Types of Keyboards
There are different types of computer keyboards based on their structure and functions. The two main types are:
1. Standard Keyboard
- A basic keyboard with 101 or fewer keys.
- It includes alphanumeric keys, function keys, and a number pad.
- Does not have multimedia or special shortcut keys.
Example:
- The IBM Model M keyboard is a common example of a standard keyboard.
2. Enhanced Keyboard
- An improved version of the standard keyboard.
- Has 104 or more keys, including additional function keys, multimedia keys, and shortcuts.
- Commonly used on modern desktop and laptop computers.
Example:
- Microsoft and Logitech keyboards with extra volume control and shortcut keys.
Sections of a Keyboard
A computer keyboard is divided into different sections based on function.
1. Alphanumeric Keys
- These include letters (A-Z), numbers (0-9), and punctuation marks.
- Used for typing words, sentences, and numbers.
Example:
- Typing a document in Microsoft Word.
2. Function Keys (F1 – F12)
- Located at the top of the keyboard.
- Each key has a special function, such as refreshing a page or opening help menus.
Example:
- Pressing F5 refreshes a webpage.
3. Control Keys
- Includes Ctrl, Alt, Shift, and Windows key.
- Used to perform shortcuts and special commands.
Example:
- Pressing Ctrl + C copies text.
4. Navigation Keys
- Includes arrow keys, Home, End, Page Up, and Page Down.
- Helps move the cursor in a document or webpage.
Example:
- The Up Arrow moves the cursor to the previous line.
5. Numeric Keypad
- Found on the right side of most keyboards.
- Used for entering numbers quickly.
Example:
- Used in calculations and data entry.
6. Special Keys
- Includes Enter, Backspace, Delete, Spacebar, Caps Lock, and Tab.
- Used for editing and formatting text.
Example:
- Pressing Enter moves to a new line.
Evaluation (Fill in the Blanks with Options)
Choose the correct answer from options (a, b, c, or d).
-
A keyboard is a type of _______ device.
a) Output
b) Storage
c) Input
d) Processing -
The _______ keyboard has extra multimedia and shortcut keys.
a) Standard
b) Enhanced
c) Mechanical
d) Wireless -
The keys used to move the cursor are called _______ keys.
a) Function
b) Navigation
c) Numeric
d) Special -
The function keys are labeled from _______ to _______.
a) A-Z
b) 1-9
c) F1-F12
d) Ctrl-Alt -
The key used to erase characters to the left of the cursor is the _______ key.
a) Enter
b) Backspace
c) Spacebar
d) Caps Lock
Class Activity Discussion (FAQs with Answers)
-
What is the main purpose of a keyboard?
- It is used to enter data into a computer.
-
How many keys does a standard keyboard have?
- It usually has 101 keys.
-
What is the difference between a standard and an enhanced keyboard?
- An enhanced keyboard has extra multimedia and function keys.
-
What are function keys used for?
- They perform specific tasks like refreshing a page (F5) or opening help (F1).
-
What is the importance of navigation keys?
- They help move the cursor in documents.
Presentation Structure
- Review of the previous lesson (Teacher revises the last topic).
- Introduction to the new topic (Teacher explains the keyboard and its sections).
- Student contributions and corrections (Students share their ideas, teacher corrects where necessary).
Assessment (Short Answer Questions)
- Define a keyboard.
- List two types of keyboards.
- What is the function of the numeric keypad?
- Mention three special keys and their uses.
- What is the difference between function keys and navigation keys?
Conclusion
The teacher marks students’ work, provides corrections, and summarizes the key points.