Lesson Note on Features Of A System Unit for Primary 2

Class: Primary Two
Term: First Term
Subject: Basic Science adn Technology
Curriculum Theme: Computer Studies
previous Lesson: Uses Of The Monitor
Topic: Features of a System Unit
Content/Learning Area: Features of a System Unit, The Power Button
Time Allocation: 40 minutes

Performance Objectives

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

• cognitive Domain:

– Describe the features of a system unit.
– Identify the components of a system unit.

• Affective Domain:

– Show interest in learning about computer components.
– Appreciate the importance of the system unit.

• Psychomotor Domain:

– Locate the power button on a computer.- Turn a computer on and off safely.

• Social Domain:

– Work cooperatively with peers during activities.
– Ask questions to clarify understanding.

Reference Materials

• 9 – Years Basic Education Curriculum
• Abuja Educational Resource Center Scheme of work
• NAPPS National Unified Scheme of Work
• Online Data
• relevant Textbooks

Instructional Materials

To deliver this lesson, the teacher will use the following materials:

• A computer system
• Whiteboard or chart paper
• Markers
• Pictures of system units

Rationale for the Lesson

Understanding the system unit is essential to basic computer literacy. This lesson provides a foundation for future lessons on more complex computer components and operations.

Prerequisite/Previous Knowledge

The teacher will start by asking pupils what they already know about computers. A brief discussion will follow, leading into the introduction of the system unit as the main part of a computer.

Lesson Content

Features of a System Unit

The system unit is the main part of a computer, like a box containing all the vital parts.It’s where you connect things like the screen and keyboard.

Main Features

The system unit has several key features that define its functionality and appearance. These include:

The following are the main features of a system unit:

1. Shape: It can be shaped like a box or a tower.
2. Size: System units come in various sizes, from small and compact to large and bulky.
3. Buttons: The moast vital is the power button, used to turn the computer on and off. Other buttons may include reset buttons or indicator lights.
4. Ports: These are sockets for connecting other computer parts, like a mouse, keyboard, printer, and external hard drive. Examples include USB ports, HDMI ports, and audio jacks.
5. Drive Bays: These are spaces inside the system unit for installing storage devices like hard drives, solid-state drives (SSDs), and optical drives (CD/DVD drives).
6. Ventilation: System units have vents and fans to keep the internal components cool and prevent overheating.

the Power Button

The power button is essential. It’s usually on the front, frequently enough marked with a circle with a line through it. Pressing it sends a signal to the power supply, providing electricity to the system unit’s components.

Teaching Methods

To deliver this lesson,‌ ⁤the teacher will⁤ adopt⁤ the following methods: Discussion, Demonstration, Question and answer.

instructional Procedures

To deliver this lesson, the teacher will adopt the following steps:

Step 1: Introduction

Time: 5 minutes
Teaching Skill: Set Induction
Teacher’s Activity: Asks pupils what they know about computers. Introduces the topic: Features of a System Unit.
Pupils’ Activity: Respond to teacher’s questions and listen attentively.

Step 2: Explanation of Key Concepts

time: 10 minutes
Teaching Skill: Explanation
Teacher’s Activity: Explains the definition and main features of a system unit using visual aids.
Pupils’ Activity: Listen attentively and take notes.

Step 3: Demonstration/Guided Practice

Time: 10 minutes
Teaching Skill: demonstration
Teacher’s Activity: Demonstrates the location and function of the power button on a computer.
Pupils’ Activity: Observe the demonstration and ask questions.

Step 4: Self-reliant Practice

Time: 5 minutes
Teaching Skill: Guided Practice
Teacher’s Activity: Guides pupils to identify the power button on different computers.Pupils’ Activity: identify the power button on different computers.

Step 5: Note-Taking

Time: 5 minutes
Teaching Skill: Note-Taking
Teacher’s Activity: guides pupils in summarizing key points.
Pupils’ Activity: Take notes on key concepts.

Step 6: Evaluation/Review

Time: 5 minutes
Teaching Skill: Questioning
Teacher’s Activity: Asks evaluation questions.
Pupils’ Activity: Answer evaluation questions.

Step 7: conclusion

Time: 5 minutes
Teaching Skill: Summarizing
Teacher’s Activity: summarizes the key features of the system unit and the importance of the power button. Assigns a short homework activity where pupils draw a picture of a system unit and label its main parts.
Pupils’ Activity: Listen to the summary and note the homework assignment.

Lesson Keywords

• System unit – The main part of a computer that houses the central processing unit, memory, and other components.
• Power Button – A button used to turn a computer on or off.
• Ports – Sockets on the system unit used to connect external devices.
• Features – Distinctive attributes or characteristics of the system unit.
• Components – The individual parts that make up the system unit.

Lesson Evaluation

To evaluate the learning, the teacher asks pupils to:

1. What is the system unit?
2. What shapes can a system unit have?
3. What does the power button do?
4. Where is the power button usually located?
5. Why is the power button important?

Assignment/Homework

1. Draw a picture of a system unit.
2. Label the main parts of the system unit, including the power button and ports.
3. Write a short paragraph explaining what the system unit does.

Differentiation

• For slower learners: Provide one-on-one assistance and simplified explanations. Use visual aids and hands-on activities to reinforce learning.
• For advanced learners: Encourage them to research additional features of the system unit and present their findings to the class.
• For visual/auditory/kinesthetic learners: Use pictures,videos,and hands-on activities to cater to different learning styles. Allow kinesthetic learners to physically interact with a system unit (if available) to understand its components.

Note for Teachers

Ensure that a real system unit or detailed pictures are available for demonstration. Emphasize the importance of handling computer equipment with care. Encourage pupils to ask questions and participate actively in discussions.