Meaning of computer communication for JSS 1

Class: JSS 1
Term: First Term
Week: 10
Age: 12 years
Duration: 45 minutes
Subject: Digital Technologies
Curriculum Theme: Basic computer communication network
Focal competence: describing the components of computer communication
Key competencies/values: Communication; Collaboration; Information literacy
Skills:

• State the meaning of computer communication

Previous Lesson: Purpose of Paint 3D and Tools
Topic: Basic Computer Communication
Subject Matter: Meaning of computer communication, Basic components of computer communication

Specific Objectives

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

Cognitive Domain

• Define computer communication.
• State the meaning of computer communication.
• Identify the components of computer communication: sender, receiver, message (data), and network (medium).
• Describe the components of computer communication.

Affective Domain

• Appreciate the importance of computer communication in daily life.
• Participate actively in group discussions on computer communication.

Psychomotor Domain

• Observe the physical components of a basic computer network.
• Demonstrate how a message travels between a sender and receiver in a simple setup.

Social Domain

• Collaborate effectively with peers during group brainstorming activities.

Reference Materials

The following resources were used in planning this lesson:

• 2025 Revised 9 Years Basic Education Curriculum
• Relevant State Unified Scheme of Work
• Digital Technologies for Junior Secondary Schools 1 (Textbook)
• The HeadTeacher Scheme of work

Instructional Materials

The teacher will teach this lesson with the aid of:

• Computer systems
• Network switch
• Network cable
• Internet Access
• Projector
• Smart screen

Rationale for the Lesson

This lesson is important as it introduces students to the fundamental concept of how computers exchange information, which is central to understanding modern digital systems. It lays the groundwork for more advanced topics in networking and internet usage, empowering students with essential digital literacy skills.

Prerequisite/Previous Knowledge

Students should have basic knowledge of what a computer is and some of its uses.

Lesson Content/Board Summary

Basic Computer Communication

Meaning of Computer Communication

Computer communication refers to the process by which two or more computer systems or devices exchange information, data, or messages with each other. This exchange can happen over various distances, from within the same room to across the globe, enabling devices to share resources and work together.

Basic Components of Computer Communication

For computer communication to occur effectively, several essential components must be present. These components work together to ensure that data is sent, received, and understood correctly.

1. Sender: This is the device or computer that originates and sends the message or data. It converts the information into a format suitable for transmission. Examples include a computer sending an email or a smartphone sending a text message.
2. Receiver: This is the device or computer that receives the message or data sent by the sender. It converts the received data back into a usable format for the user. Examples include a computer receiving an email or a smartphone receiving a text message.
3. Message (Data): This is the actual information, data, or signal that is being transmitted from the sender to the receiver. It can be text, images, audio, video, or any other form of digital information.
4. Network (Medium): This is the path or channel through which the message travels from the sender to the receiver. The medium can be physical, like cables (e.g., Ethernet cables), or wireless, like radio waves (e.g., Wi-Fi, Bluetooth). It provides the connection that enables data transfer.

Teaching Methods/Instructional Techniques

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

Instructional Procedures

Step 1: Introduction

Time: 5 minutes

Teaching Skill: Questioning/Engagement

Teacher’s Activity: The teacher greets the students and asks them to share ways they communicate with friends and family (e.g., talking, phone calls, text messages). The teacher then introduces the topic of how computers communicate.

Pupils’ Activity: Students respond to the teacher’s questions, sharing their communication experiences.

Learning Point: Everyday communication methods

Step 2: Meaning of Computer Communication

Time: 8 minutes

Teaching Skill: Explanation/Brainstorming

Teacher’s Activity: The teacher explains the meaning of computer communication, using simple examples like sending an email or browsing a website. The teacher then guides students to brainstorm in groups on their understanding of computer communication.

Pupils’ Activity: Students listen to the explanation and then discuss in groups, sharing their ideas on what computer communication means.

Learning Point: Definition of computer communication

Step 3: Introduction to Components

Time: 7 minutes

Teaching Skill: Demonstration/Explanation

Teacher’s Activity: The teacher introduces the basic components required for computer communication (sender, receiver, message, network/medium) and briefly explains each, using a simple analogy like sending a letter through the post office.

Pupils’ Activity: Students listen attentively and ask questions for clarification.

Learning Point: Basic communication components

Step 4: Identifying Sender and Receiver

Time: 6 minutes

Teaching Skill: Practical Demonstration

Teacher’s Activity: The teacher uses two connected computer systems (if available) or diagrams to demonstrate the sender and receiver. The teacher asks students to identify which computer is sending and which is receiving a simple file.

Pupils’ Activity: Students observe the demonstration and identify the sender and receiver in the setup.

Learning Point: Sender and receiver identification

Step 5: Understanding Message and Network

Time: 6 minutes

Teaching Skill: Guided Discussion

Teacher’s Activity: The teacher further explains “message” as the data being sent and “network/medium” as the path. The teacher shows a network cable and a Wi-Fi signal as examples of mediums. The teacher asks students to search the internet for images of different computer communication components.

Pupils’ Activity: Students participate in the discussion, observe the examples, and search the internet for relevant images.

Learning Point: Message and network concepts

Step 6: Describing Components

Time: 3 minutes

Teaching Skill: Reinforcement

Teacher’s Activity: The teacher asks students to individually describe each of the four basic components of computer communication in their own words, reinforcing their understanding.

Pupils’ Activity: Students describe the components orally or in their rough notebooks.

Learning Point: Component description reinforcement

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. What is computer communication?
2. Name two basic components of computer communication.
3. Describe the role of the sender in computer communication.
4. What is the function of the network (medium) in computer communication?

Pupils’ Activity: Pupils answer orally and in writing.

Learning Point: Computer communication understanding

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 on the meaning and components of computer communication into their notebooks.

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

Learning Point: Recording lesson notes

Step 9: Conclusion

Time: 1 minute

Teaching Skill: Summarization

Teacher’s Activity: The teacher briefly summarizes the lesson, emphasizing that computer communication allows devices to share information and relies on a sender, receiver, message, and network. The teacher encourages students to observe how these components work in their daily use of digital devices.

Pupils’ Activity: Students listen to the summary and prepare for the next lesson.

Learning Point: Lesson recap

Continuous Assessment/Further Study

Type: Homework/Practice Exercise

Instruction: Answer the following questions in your Digital Technologies notebook:

1. In your own words, explain what computer communication means.
2. List the four basic components of computer communication.
3. Give an example of a “message” you might send using a computer.
4. Identify two different types of “network (medium)” that enable computer communication.

Lesson Keywords

• Communication – The process of exchanging information or messages.
• Computer Communication – The exchange of data or information between two or more computer systems.
• Sender – The device that sends the message.
• Receiver – The device that gets the message.
• Message – The actual data or information being sent.
• Network (Medium) – The path or channel through which data travels.

Differentiation

For students who grasp the concepts quickly, encourage them to research different types of communication networks (e.g., LAN, WAN) and present their findings. For students needing additional support, provide simplified diagrams and more direct examples of each component, offering one-on-one guidance during activity time.

Suggested Lesson Videos

For further understanding, search on YouTube for “Basic Computer Communication Components JSS 1” or “How computers communicate for beginners”.

Teacher Guide for Using This Lesson Plan

Before the lesson, ensure all instructional materials, especially the computer systems, network cables, and internet access, are in good working condition for effective demonstration. Begin by relating computer communication to students’ everyday experiences with communication to make the concept relatable. Guide students through the brainstorming and internet search activities, providing clear instructions and monitoring their progress. During the note-taking stage (Step 8), ensure students accurately copy the Board Summary. Pay attention to common misconceptions, such as confusing the computer itself with the sender/receiver role or not understanding the difference between the message and the medium. Encourage questions and provide practical examples to solidify their understanding of each component. Check for understanding frequently through questions and by observing their participation in activities.