Components of mobile phone. Software component of mobile phone for JSS 1

Class: JSS 1
Term: First Term
Week: 7
Age: 12 years
Duration: 45 minutes
Subject: Computer Hardware and GSM Repairs
Curriculum Theme: Introduction to mobile phone repair
Focal competence: Recognize types of mobile phones and their basic components
Key competencies/values: Communication; Collaboration; Cooperation
Skills:

• Assembling mobile phone component parts

Previous Lesson: Components of mobile phone. Hardware component of mobile
Topic: Basic Components Of Mobile Phone: Components Of Mobile Phone.: Software Component
Subject Matter: Components of mobile phone, Assembling

Specific Objectives

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

Cognitive Domain

• identify the components of mobile phone;
• describe software components of mobile phone such as RAM, ROM, operating system;
• describe the hardware components of mobile phone such as keyboard, motherboard.

Affective Domain

• appreciate the importance of collaboration in identifying phone components;
• show interest in learning about mobile phone technology.

Psychomotor Domain

• assemble mobile phone component parts.

Social Domain

• work cooperatively in groups to assemble phone parts.

Reference Materials

The following resources were used in planning this lesson:

• 2025 Revised 9 Years Basic Education Curriculum
• Relevant State Unified Scheme of Work
• Basic Computer Hardware and GSM Repairs for Junior Secondary Schools Book 1
• The HeadTeacher Scheme of work

Instructional Materials

The teacher will teach this lesson with the aid of:

• Mobile phone (disassembled and assembled)
• Earpiece
• Antenna
• Mouthpiece
• Keypads / Touchscreen
• Casing
• Charging port
• Power button (on/off)
• Volume key (up/down)
• RAM chip (example)
• ROM chip (example)
• Various Multimeter
• Soldering Iron
• Lead sucker
• Screw drivers (small sizes)
• Accessories
• Manuals
• Software gadgets (e.g., flash drive with OS image)
• Video clips on mobile phone components

Rationale for the Lesson

Understanding the components of a mobile phone is foundational for anyone interested in its repair or maintenance. This lesson provides students with essential knowledge of both software and hardware, fostering a deeper appreciation for technology and practical skills in basic assembly, which can be applied in real-world scenarios.

Prerequisite/Previous Knowledge

Students should have basic familiarity with what a mobile phone is and its general uses. They should also have a general idea of what hardware and software are from previous computer studies lessons.

Lesson Content/Board Summary

Basic Components Of Mobile Phone: Software Component

Introduction to Mobile Phone Components

A mobile phone is an electronic device that allows us to communicate and perform various tasks. It consists of two main types of components:

1. Hardware Components: These are the physical parts of the phone that you can touch and see, such as the screen, battery, and buttons.
2. Software Components: These are the programs and instructions that tell the hardware what to do, such as the operating system and applications.

Software Components of a Mobile Phone

Software components are crucial for a mobile phone to function. Key software components include:

1. RAM (Random Access Memory):
   1. RAM is a type of volatile memory that temporarily stores data and programs that the phone is actively using.
   2. It allows the phone to quickly access information, enabling smooth multitasking and fast app loading.
   3. When the phone is switched off, the data in RAM is lost.
2. ROM (Read Only Memory):
   1. ROM is a type of non-volatile memory that permanently stores essential instructions needed to boot up the phone and control its basic functions.
   2. It contains the phone’s firmware, which is a set of instructions that cannot be easily changed or erased by the user.
   3. Data in ROM remains even when the phone is switched off.
3. Operating System (OS):
   1. The operating system is the main software that manages all the hardware and software resources of the mobile phone.
   2. It provides a user interface, manages applications, handles memory, and controls input/output operations.
   3. Examples of mobile phone operating systems include Android, iOS, and KaiOS.

Hardware Components of a Mobile Phone

Hardware components are the physical parts that make up the mobile phone. Some important hardware components include:

1. Motherboard: This is the main circuit board of the phone, connecting all the other components and allowing them to communicate.
2. Keyboard/Touchscreen: This is the input device used to interact with the phone, either through physical buttons (keypad) or a touch-sensitive display.
3. Battery: Provides power to the phone.
4. Display Screen: Shows visual information to the user.
5. Camera: Used to capture photos and videos.
6. Speaker and Microphone: For audio output and input during calls or media playback.
7. Charging Port: Used to connect the charger and transfer data.
8. Antenna: For sending and receiving network signals.
9. Casing: The outer protective cover of the phone.

Assembling Mobile Phone Component Parts

Assembling mobile phone parts involves carefully putting the components together in the correct order to make a functional device. Key principles include:

1. Careful Handling: Always handle components with care to avoid damage, especially delicate parts like circuit boards and screens.
2. Correct Tools: Use appropriate tools like small screwdrivers to open and close the phone.
3. Order of Assembly: Follow the correct sequence for putting parts back together, usually the reverse of disassembly.
4. Secure Connections: Ensure all connectors, screws, and clips are properly secured to prevent loose connections.

Teaching Methods/Instructional Techniques

Discussion, Demonstration, Guided Practice, Question and Answer, Explanation, Observation, Group Work, Practical Activity

Instructional Procedures

Step 1: Introduction

Time: 5 minutes

Teaching Skill: Questioning/Engagement

Teacher’s Activity: The teacher greets the students and asks them to mention some devices they use for communication. The teacher then introduces the topic “Basic Components of Mobile Phone: Software Component” and explains its relevance.

Students’ Activity: Students respond by mentioning devices like mobile phones, laptops, etc. They listen attentively to the introduction.

Learning Point: Introduction to mobile phones

Step 2: Identification of Components

Time: 10 minutes

Teaching Skill: Demonstration/Observation

Teacher’s Activity: The teacher displays a disassembled mobile phone and various components. The teacher guides students to identify both visible hardware components and explains that software components are unseen but essential. The teacher can also show a video clip on different types of mobile phones and their components.

Students’ Activity: Students observe the displayed components and participate in identifying them. They brainstorm to identify types of mobile phones.

Learning Point: Mobile phone components identified

Step 3: Explanation of Software Components – RAM & ROM

Time: 7 minutes

Teaching Skill: Explanation/Illustration

Teacher’s Activity: The teacher explains what software components are. The teacher then specifically describes RAM (Random Access Memory) and ROM (Read Only Memory), using simple analogies to make the concepts clear (e.g., RAM as a temporary workspace, ROM as a permanent instruction book).

Students’ Activity: Students listen and ask questions for clarification, taking brief notes.

Learning Point: RAM and ROM explained

Step 4: Explanation of Software Components – Operating System

Time: 5 minutes

Teaching Skill: Explanation/Examples

Teacher’s Activity: The teacher further explains the role of the Operating System (OS) as the brain of the phone, managing all functions. The teacher provides examples of common mobile OS like Android and iOS.

Students’ Activity: Students listen, identify familiar OS names, and understand the OS’s function.

Learning Point: OS functions understood

Step 5: Explanation of Hardware Components

Time: 5 minutes

Teaching Skill: Explanation/Description

Teacher’s Activity: The teacher briefly describes key hardware components such as the motherboard, keyboard/touchscreen, battery, and charging port, pointing them out on the disassembled phone.

Students’ Activity: Students observe and listen to the descriptions of hardware components.

Learning Point: Basic hardware described

Step 6: Practical Assembly Activity

Time: 8 minutes

Teaching Skill: Guided Practice/Demonstration

Teacher’s Activity: The teacher divides students into groups and provides each group with some basic phone components (e.g., casing, keypad, battery, charging port) and simple tools. The teacher demonstrates basic steps of assembling a few parts and guides the groups to attempt assembling some component parts.

Students’ Activity: In groups, students attempt to assemble mobile phone component parts under the teacher’s guidance.

Learning Point: Component assembly practice

Step 7: Evaluation/Review

Time: 5 minutes

Teaching Skill: Questioning/Assessment

Teacher’s Activity: The teacher evaluates the learning by asking the following questions:

1. Mention two software components of a mobile phone.
2. What is the function of RAM in a mobile phone?
3. Name two hardware components of a mobile phone.
4. Describe one step involved in assembling mobile phone parts.

Students’ Activity: Students answer orally and in writing.

Learning Point: Understanding of phone components

Step 8: Note-Taking

Time: 4 minutes

Teaching Skill: Guided Writing

Teacher’s Activity: The teacher guides pupils/students to copy the essential Board Summary notes, focusing on software and hardware components, into their notebooks.

Students’ Activity: Pupils/students copy the notes carefully into their notebooks.

Learning Point: Notes on phone components

Step 9: Conclusion

Time: 1 minute

Teaching Skill: Consolidation

Teacher’s Activity: The teacher briefly reinforces the importance of understanding both software and hardware for mobile phone functionality and basic repair, commending students for their participation.

Students’ Activity: Students listen and reflect on the lesson.

Learning Point: Lesson recap and reinforcement

Continuous Assessment/Further Study

Type: Homework

Instruction: Answer the following questions in your notebook:

1. Differentiate between RAM and ROM in a mobile phone.
2. List three different mobile phone operating systems you know.
3. Draw and label any three hardware components of a mobile phone.
4. Ask an adult to show you an old, non-functional phone. Try to identify as many components as you can without disassembling it.

Lesson Keywords

• Hardware – Physical parts of a computer or phone.
• Software – Programs and instructions that run on hardware.
• RAM – Random Access Memory; temporary storage for active data.
• ROM – Read Only Memory; permanent storage for essential instructions.
• Operating System (OS) – Main software managing phone functions.
• Motherboard – Main circuit board connecting all components.
• Assembly – Putting parts together to form a whole.

Differentiation

For weaker learners, the teacher will provide more visual aids and simplified explanations, focusing mainly on identifying the major components and distinguishing between hardware and software. Faster learners can be challenged to research different types of mobile phone operating systems or identify more complex hardware components beyond those discussed.

Suggested Lesson Videos

For further understanding, search on YouTube for:

• “Basic mobile phone components explained for beginners”
• “What is RAM ROM and OS in mobile phone”
• “How to assemble a mobile phone step by step”

Teacher Guide for Using This Lesson Plan

Before the lesson, ensure you have a variety of mobile phone components, both assembled and disassembled, along with basic tools like screwdrivers for demonstration and the group activity. Prepare a short video clip on mobile phone components if available. Begin by engaging students with questions about mobile phones they use. Systematically introduce and explain software components (RAM, ROM, OS) and then key hardware components. The practical assembly activity is crucial; supervise groups closely, emphasizing careful handling and teamwork. Use the evaluation questions to check understanding of both software and hardware. Guide students to copy the Board Summary after the main teaching points have been covered and assessed. Encourage further exploration through the homework assignment.