Class: Senior Secondary School 1 (SS1, SS 1, SSS1, SSS 1)
Term: 3rd Term
Week: 1
Age: 15 years
Duration: 45 minutes
Subject: Computer Studies
Curriculum Theme: Communication Systems
Previous Lesson: .
Topic: COMMUNICATION SYSTEM
Subject Matter: full meaning of ICT, types of ICT, broadcasting, telecommunications, data networks, information systems, satellite communications, radio, television, satellite TV systems

Specific Objectives

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

Cognitive Domain:

Define Information and Communication Technology (ICT).
List different types of communication systems.
Identify various types of broadcasting.
Distinguish between telecommunications and broadcasting.

Affective Domain:

Appreciate the importance of ICT in daily life.
Recognize the role of different communication systems in connecting people.

Psychomotor Domain:

Identify common ICT gadgets.
Draw a simple representation of a communication system.

Discuss the impact of modern communication systems on society.

Reference Materials

The following resources were used in planning this lesson:

9 Years Basic Education Curriculum for Computer Studies (Senior Secondary).
State Unified Scheme of Work for Computer Studies SSS 1.
Bakare, A.A. (2018). Computer Studies for Senior Secondary Schools 1. Learn Africa Plc.

Instructional Materials

The teacher will teach this lesson with the aid of:

A computer.
A radio receiver.
A television set.
Charts showing different communication devices.

Rationale for the Lesson

This lesson helps pupils understand how information is shared and received using different technologies. It shows them how communication systems like radio, television, and the internet connect people, making it easier to access information and interact with others in their daily lives.

Prerequisite/Previous Knowledge

Pupils have basic knowledge of what a computer is and some understanding of how people communicate.

Lesson Content/Board Summary

COMMUNICATION SYSTEM

Full Meaning of ICT

ICT stands for Information and Communication Technology. It refers to all the tools and systems used to create, store, retrieve, transmit, and receive information.

Types of ICT

ICT encompasses various technologies and systems. The following are major types of ICT:

Telecommunications
Broadcasting
Data Networks
Information Systems
Satellite Communications

Broadcasting

Broadcasting is the distribution of audio or video content to a dispersed audience via any electronic mass communication medium. It involves transmitting signals from one source to many receivers.

The following are types of broadcasting:

Radio broadcasting
Television broadcasting (Terrestrial TV)
Satellite TV systems

Telecommunications

Telecommunications refers to communication over a distance by cable, telegraph, telephone, or broadcasting. It involves the exchange of information over significant distances by electronic means.

Examples of telecommunication services include:

Telephone calls (landline and mobile)
Internet services
Fax

Data Networks

Data networks are digital telecommunication networks that allow nodes to share resources. In data networks, computing devices exchange data with each other over network links.

Examples of data networks include:

Local Area Networks (LANs)
Wide Area Networks (WANs)
The Internet

Information Systems

Information systems are organized systems for the collection, organization, storage, and communication of information. They combine hardware, software, data, people, and processes to facilitate information management.

Examples of information systems include:

Management Information Systems (MIS)
Transaction Processing Systems (TPS)
Decision Support Systems (DSS)

Satellite Communications

Satellite communication involves the use of artificial satellites to relay and amplify radio telecommunication signals between a source and a receiver. It enables global communication.

Components of satellite communication include:

Ground stations (earth stations)
Communication satellites

Radio

Radio is a technology that uses radio waves to transmit information, such as sounds, by modulating electromagnetic energy over the air. It is primarily used for audio broadcasting.

Television

Television is a telecommunication medium used for transmitting moving images in monochrome (black and white) or colour, and in two or three dimensions and sound. It is widely used for video broadcasting.

Satellite TV Systems

Satellite TV systems deliver television programming to viewers by relaying signals from an orbiting communications satellite. Viewers use a satellite dish and a receiver to access channels.

Teaching Methods/Instructional Techniques

Discussion, Lecture, Demonstration, Question and Answer, Visual Aids

Instructional Procedures

Step 1: Introduction

Time: 5 minutes
Teaching Skill: Set Induction/Motivation
Teacher’s Activity: The teacher greets the pupils and asks them how they get news from other places or communicate with family members who live far away. The teacher then introduces the topic, “Communication System”, and links it to their responses.
Pupils’ Activity: Pupils respond to the teacher’s questions, mentioning radio, TV, phones, etc. They listen attentively to the introduction.
Learning Point: Pupils are introduced to the concept of communication and its importance.

Step 2: Full Meaning of ICT

Time: 8 minutes
Teaching Skill: Explanation/Definition
Teacher’s Activity: The teacher defines ICT, explaining what each letter stands for (Information and Communication Technology) and its general purpose. The teacher writes the full meaning on the board.
Pupils’ Activity: Pupils listen, take notes, and orally state the full meaning of ICT when prompted.
Learning Point: Pupils understand and can state the full meaning of ICT.

Step 3: Types of ICT

Time: 8 minutes
Teaching Skill: Listing/Classification
Teacher’s Activity: The teacher explains that ICT is broad and lists the major types, such as telecommunications, broadcasting, data networks, information systems, and satellite communications. The teacher writes these types on the board.
Pupils’ Activity: Pupils listen, identify and list the different types of ICT as mentioned by the teacher.
Learning Point: Pupils can identify and list various categories of ICT.

Step 4: Broadcasting and Telecommunications

Time: 8 minutes
Teaching Skill: Explanation/Differentiation
Teacher’s Activity: The teacher explains broadcasting (e.g., radio, TV) as one-to-many communication and telecommunications (e.g., phone calls) as point-to-point communication. The teacher uses the radio and television as demonstration tools.
Pupils’ Activity: Pupils observe the demonstration, listen to the explanations, and ask questions for clarification. They attempt to differentiate between the two concepts.
Learning Point: Pupils understand the concepts of broadcasting and telecommunications and can differentiate between them.

Step 5: Data Networks and Information Systems

Time: 6 minutes
Teaching Skill: Explanation/Illustration
Teacher’s Activity: The teacher explains what data networks are (e.g., the internet) and how they enable sharing of information. The teacher also introduces information systems as structured ways to manage information.
Pupils’ Activity: Pupils listen and contribute examples of data networks and information systems they know.
Learning Point: Pupils understand the roles of data networks and information systems in communication.

Step 6: Satellite Communications, Radio, Television, and Satellite TV Systems

Time: 5 minutes
Teaching Skill: Elaboration/Demonstration
Teacher’s Activity: The teacher briefly explains satellite communication and how it works. The teacher then discusses radio, television, and satellite TV systems, highlighting their uses and showing the instructional materials (radio, TV).
Pupils’ Activity: Pupils listen, observe the materials, and identify the uses of each device.
Learning Point: Pupils understand specific communication technologies and their applications.

Step 7: Evaluation/Review

Time: 5 minutes

Teaching Skill: Questioning/Assessment

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

What is the full meaning of ICT?
Mention three types of ICT.
Distinguish between broadcasting and telecommunications.
List two common ICT gadgets.

Pupils’ Activity: Pupils answer orally and in writing.

Learning Point: Pupils demonstrate understanding of the lesson.

Step 8: Conclusion

Time: 2 minutes
Teaching Skill: Summarization/Assignment
Teacher’s Activity: The teacher briefly summarizes the key points of the lesson. The teacher then gives pupils homework: “List five ways ICT has impacted your community.”
Pupils’ Activity: Pupils listen to the summary and copy the homework assignment.
Learning Point: Pupils consolidate their learning and are given an activity to reinforce understanding.

Lesson Keywords

ICT – Information and Communication Technology.
Broadcasting – Distributing audio/video content from one source to many receivers.
Telecommunications – Communication over a distance by electronic means.
Data Networks – Systems allowing devices to share resources and exchange data.
Satellite Communication – Using satellites to relay communication signals globally.
Radio – Technology for transmitting sound using radio waves.
Television – Medium for transmitting moving images and sound.

Differentiation

For pupils who grasp concepts quickly, the teacher can ask them to research specific examples of satellite communication systems. For pupils who need more support, the teacher can provide simplified diagrams of communication systems and pair them with stronger pupils for group activities.

Note for teachers using this lesson plan

Encourage pupils to relate the concepts of communication systems to their daily experiences to make the lesson more engaging. Use real-life examples and practical demonstrations where possible.