Class: Junior Secondary School 1 (JSS1, JSS 1)
Term: 2nd Term
Week: 1
Age: 12 years
Duration: 45 minutes
Subject: Basic Science And Technology
Curriculum Theme: Computer Studies
Previous Lesson:
Topic: The Monitor
Subject Matter: Definition of computer monitor, Description of a monitor as an output device, Types of monitor – Monochrome monitor and Colour monitor

Specific Objectives

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

Cognitive Domain:
(a) Identify a computer monitor as an output device.
(b) Distinguish between monochrome and colour monitors.
Affective Domain:
(a) Show interest in handling and maintaining the computer monitor properly.
Psychomotor Domain:
(a) Demonstrate how to operate and connect a computer monitor correctly.
Social Domain:
(a) Work cooperatively in groups while identifying different types of monitors.

Reference Materials

The following resources were used in planning this lesson:

9 Years Basic Education Curriculum
Lagos State Unified Scheme of work for Junior Secondary Schools
Wikipedia – Computer monitor
Relevant Textbooks

Instructional Materials

The teacher will teach this lesson with the aid of:

A computer monitor (real or model)
Chart showing different types of monitors
Laptop or desktop system for demonstration
Projector or visual display unit (if available)
Marker and whiteboard

Rationale for the Lesson

This lesson helps pupils understand the function and types of computer monitors as vital output devices, promoting digital literacy and basic computer operation skills.

Prerequisite/Previous Knowledge

Pupils have seen and used computers in their school computer lab and can identify basic parts like the keyboard, mouse, and system unit.

Lesson Content/Board Summary

The Monitor

Definition of a Computer Monitor

A monitor is an output device that displays information or data from the computer to the user. It shows text, pictures, and videos generated by the computer system.

The following are the key features of a computer monitor:

It displays processed information from the CPU.
It allows the user to see the results of commands and programs.
It looks like a television screen.
It is connected to the system unit through cables.

Description of a Monitor as an Output Device

A computer monitor is an output device because it allows the computer to communicate information to the user visually. It does not send information to the computer; rather, it shows what has been processed by the CPU.

The following are the functions of a monitor as an output device:

Displays text and images for the user.
Shows videos, animations, and graphics.
Helps users interact with software programs.
Allows real-time monitoring of computer activities.

Types of Computer Monitors

There are two major types of computer monitors used in basic computing. They are:

Monochrome Monitor:
A monochrome monitor displays images in one colour on a black background. It was commonly used in early computers.
The following are features of a monochrome monitor:
- Displays only one colour such as green or white.
- Does not support graphics or colour pictures.
- Consumes less power.
- Has simple display quality.
Colour Monitor:
A colour monitor displays information in multiple colours. It is used in modern computers for better visual presentation.
The following are features of a colour monitor:
- Displays text, graphics, and videos in different colours.
- Provides clearer and more attractive images.
- Suitable for educational and professional purposes.
- Common examples include CRT, LCD, and LED monitors.

Care and Maintenance of a Computer Monitor

Proper care helps the monitor last longer and work efficiently.

The following are ways to care for a computer monitor:

Avoid touching or scratching the screen.
Do not place heavy objects on top of the monitor.
Clean the screen with a soft, dry cloth.
Keep liquids away from the monitor.
Switch off the monitor when not in use.

Teaching Methods/Instructional Techniques:

Discussion, Lecture, Demonstration, Explanation, Visual Aids, Question and Answer, Group Work

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: Teacher shows a real computer monitor and asks pupils what part of the computer displays what they type or draw.
Pupils’ Activity: Pupils respond and identify the monitor.
Learning Point: Pupils become interested and ready to learn about the computer monitor.

Step 2: Definition and Description of Monitor

Time: 10 minutes
Teaching Skill: Explanation
Teacher’s Activity: The teacher explains what a computer monitor is and describes it as an output device, using visual aids for better understanding.
Pupils’ Activity: Pupils listen attentively and take notes.
Learning Point: Pupils understand what a monitor is and its role as an output device.

Step 3: Types of Monitors

Time: 10 minutes
Teaching Skill: Demonstration
Teacher’s Activity: Teacher shows charts or real examples of monochrome and colour monitors, explaining their features and uses.
Pupils’ Activity: Pupils observe and identify the differences between the types of monitors.
Learning Point: Pupils can distinguish between monochrome and colour monitors.

Step 4: Care and Maintenance of Monitors

Time: 8 minutes
Teaching Skill: Discussion
Teacher’s Activity: Teacher explains how to handle and care for a computer monitor properly.
Pupils’ Activity: Pupils discuss and share ways to maintain the monitor safely.
Learning Point: Pupils understand proper handling and maintenance of monitors.

Step 5: Note-Taking

Time: 5 minutes
Teaching Skill: Explanation
Teacher’s Activity: Teacher writes or dictates the board summary for pupils to copy.
Pupils’ Activity: Pupils copy the lesson notes into their exercise books.
Learning Point: Pupils have written notes for reference and study.

Step 6: Evaluation/Review

Time: 5 minutes
Teaching Skill: Questioning
Teacher’s Activity: The teacher evaluates the learning by asking the following questions:

What is a computer monitor?
Mention two types of monitors.
State two features of a monochrome monitor.
List two features of a colour monitor.
Mention two ways to care for a computer monitor.
Pupils’ Activity: Pupils answer the questions orally.
Learning Point: Pupils demonstrate understanding of the lesson objectives.

Step 7: Conclusion

Time: 2 minutes
Teaching Skill: Reinforcement
Teacher’s Activity: Teacher summarizes key points and encourages pupils to identify and describe monitors at home or in school.
Pupils’ Activity: Pupils listen and ask questions where necessary.
Learning Point: Pupils understand and can apply knowledge of computer monitors.

Home Task: Record two correct examples of The Monitor from the lesson or home environment and explain each in your own words.

Lesson Keywords

Monitor – an output device that displays information from the computer
Output Device – equipment that shows processed data from the computer
Monochrome – display showing only one colour
Colour Monitor – display showing multiple colours
Display – the visible information shown on a monitor screen

Differentiation

Teacher provides simplified explanations for slower learners and allows advanced pupils to demonstrate monitor operations or describe its care methods to others.

Note for teachers using this lesson plan

Ensure pupils are given hands-on experience with a real monitor if possible. Supervise closely to prevent damage and emphasize careful handling of computer equipment.