Introduction to Computer Hardware: Keyboard Computer Studies JSS 1 Third Term Lesson Notes

Subject: Computer Studies
Class: JSS 1
Term: Third Term
Week: 8
Topic: Introduction to Computer Hardware: Keyboard
Duration: 45 minutes

Behavioural Objectives:

• Students will understand the functions of a keyboard.
• Students will identify the different types of keyboards.
• Students will be able to describe the features of standard and enhanced keyboards.

Key Vocabulary Words:

• Keyboard
• Standard keyboard
• Enhanced keyboard
• Function keys
• Alphanumeric keys

Learning Resources and Materials:

• Whiteboard and markers
• Visual aids (pictures of keyboards)
• Sample standard and enhanced keyboards
• Handouts with keyboard diagrams and features
• Computer with keyboard for demonstration

Reference Books:

• Lagos State Scheme of Work for Computer Studies
• Introduction to Computer Science by Peter Norton

Building Background / Connection to prior knowledge:

• Recap on previous lessons about computer components.
• Discuss the importance of input devices like the keyboard.
• Relate the keyboard to everyday use, such as typing and navigating on computers.

Embedded Core Skills:

• Critical thinking: Analyzing the different types of keyboards.
• Communication: Expressing understanding of keyboard features.
• Problem-solving: Identifying keys and their functions on a keyboard.

Content:

TOPIC: MASTERY OF THE KEYBOARD I

KEYBOARD

Keyboard is an electronic device with several groups of keys electronically linked to the processor when attached to a computer system. It is the common input device used for entering data into the computer.

There are two main types keyboards used with micro – computer; they are:

1. Standard keyboard
2. Enhanced keyboard

Features of Standard Keyboard

• It has ten functions keys. (F1 – F10)
• It has four arrow keys
• It ha 84 – 89 keys

Features of Enhanced Keyboard

• It has 12 function keys ( F1 – F12)
• It has 8 arrow keys
• It has 101 – 105 keys

Types of Enhances Keyboard

1. Multimedia keyboard
2. Programming keyboard
3. Cordless keyboard

Sections of the Keyboard

Keyboard is basically divided into five sections;

1. Alphanumeric keys: These are made up of alphabets and numbers.
2. Function keys (F1 – F12)
3. Control keys: DEL, CTRL, esc and Alt
4. Cursor: Control the screen movement keys e. g. arrow, home, end, page up etc.
5. Numeric keypad: It is arranged in a calculator type structure.

EVALUATION

1. Define the keyboard.
2. State the two types of keyboard.
3. Mention five sections of the keyboard.

READING ASSIGNMENT

Modern computer studies by Victoria Dinehin page 160

WEEKEND ASSIGNMENT

1. The types of enhanced keyboard include the following excpt. (a) multimedia (b) programming (c) cordless (d) standard
2. There are …….. types of keyboard. (a) a (b) 3 (c) 2 (d) 5
3. The …….. has eight arrow keys. (a) standard (b) enhance (c) multiple (d) intermediate
4. The…….. has ten functions keys. (a) enhance (b) standard (c) none of the above (d) none of the above.
5. ……….. key controls the screen movement keys. (a) cursor (b) numeric (c) function (d) alphabet.
6. The keyboard is an ______ device for entering data into the computer. a) input b) output c) processing d) storage
7. The two main types of keyboards are standard and ______. a) advanced b) enhanced c) basic d) specialized
8. The standard keyboard has ______ function keys. a) 8 b) 10 c) 12 d) 14
9. The enhanced keyboard has ______ function keys. a) 10 b) 12 c) 14 d) 16
10. The alphanumeric keys on the keyboard consist of ______. a) alphabets and numbers b) punctuation marks c) symbols d) function keys
11. The control keys on the keyboard include ______. a) shift and caps lock b) home and end c) F1 – F12 d) arrow keys
12. The cursor keys on the keyboard control ______ movement. a) screen b) mouse c) printer d) speaker
13. The numeric keypad on the keyboard is arranged like a ______. a) mouse b) calculator c) joystick d) scanner
14. The enhanced keyboard can include types such as multimedia, programming, and ______. a) mechanical b) cordless c) virtual d) ergonomic
15. The standard keyboard has ______ arrow keys. a) 4 b) 6 c) 8 d) 10
16. The enhanced keyboard has ______ arrow keys. a) 4 b) 6 c) 8 d) 10
17. The standard keyboard has ______ keys. a) 80 – 85 b) 84 – 89 c) 90 – 95 d) 100 – 105
18. The enhanced keyboard has ______ keys. a) 90 – 95 b) 84 – 89 c) 100 – 105 d) 110 – 115
19. The function keys on the keyboard are usually labeled from ______. a) F1 to F10 b) F1 to F12 c) F1 to F14 d) F1 to F16
20. The cursor keys on the keyboard include keys for ______. a) scrolling b) deleting c) copying d) pasting

Mid Term Test Computer Studies JSS 1 Third Term Lesson Notes

THEORY

1. Define the keyboard.
2. State the two types of keyboard.
3. Mention five sections of the keyboard.

Presentation

Step 1: The teacher revises the previous topic which was about computer components and their functions, emphasizing the importance of input devices.

Step 2: The teacher introduces the new topic, which is the keyboard, explaining its role as an input device for computers.

Step 3: The teacher allows the pupils to give their own contributions by asking questions like:

• What do you know about keyboards?
• How do keyboards help us interact with computers?

Teacher’s Activities:

• Present visual aids showing different types of keyboards.
• Explain the features and functions of standard and enhanced keyboards.
• Demonstrate how to use the keyboard for typing and navigating.

Learners’ Activities:

• Observe and participate in the discussion about keyboards.
• Ask questions to clarify doubts.
• Practice typing on a sample keyboard or a computer.

Assessment:

• Observe students’ participation and engagement during the discussion.
• Evaluate their understanding through responses to questions and activities.
• Assess their ability to identify keys and their functions on a keyboard.

1. What is a keyboard?
   • A keyboard is a device for typing on a computer.
2. What are the main types of keyboards?
   • The main types are standard and enhanced keyboards.
3. How many function keys does a standard keyboard have?
   • A standard keyboard has 10 function keys.
4. How many function keys does an enhanced keyboard have?
   • An enhanced keyboard has 12 function keys.
5. What do alphanumeric keys include?
   • Alphanumeric keys have letters and numbers.
6. What do control keys do?
   • Control keys like Shift and Alt help with different functions.
7. What do cursor keys control?
   • Cursor keys control moving around the screen.
8. How is the numeric keypad arranged?
   • It’s arranged like a calculator for numbers.
9. What are some types of enhanced keyboards?
   • They include multimedia, programming, and cordless keyboards.
10. How many arrow keys does a standard keyboard have?
    • A standard keyboard has 4 arrow keys.
11. How many arrow keys does an enhanced keyboard have?
    • An enhanced keyboard has 8 arrow keys.
12. How many keys does a standard keyboard typically have?
    • It usually has between 84 and 89 keys.
13. How many keys does an enhanced keyboard typically have?
    • It usually has between 101 and 105 keys.
14. What range are function keys labeled from?
    • They are labeled from F1 to F12.
15. What do cursor keys include?
    • Cursor keys include keys for moving up, down, left, and right

Evaluation Questions:

1. What is the main function of a keyboard?
2. Name two types of keyboards.
3. How many function keys does a standard keyboard have?
4. What are the features of an enhanced keyboard?
5. Which section of the keyboard contains alphabets and numbers?
6. What do control keys do on a keyboard?
7. How do cursor keys help us?
8. Describe the numeric keypad on a keyboard.
9. Name one type of enhanced keyboard.
10. How can keyboards help us interact with computers?

Conclusion:

• The teacher goes around to mark and correct any errors made by the students.
• Summarize the key points discussed during the lesson.
• Encourage students to practice using keyboards at home and in computer labs.