Classification of computer

LESSON PLAN
Teacher's Name: Miss Choice 
Date: 22nd June 2026
Class: Basic 2
Duration: 40 minutes 
Topic: Classification of Computers
Subtopic: Classification of Computers by Size and Purpose

Previous Knowledge: Students have seen or used computers at home, school, or in offices and have a basic understanding that computers help people perform tasks.

Learning Objectives: By the end of the lesson, students should be able to:
Identify different types of computers based on size.
Explain the purpose of different types of computers.
Differentiate between computers used for personal and professional purposes.

Instructional Materials:
Pictures of different computers (desktop, laptop, tablet, mainframe, supercomputer)

Teaching Methods:
Interactive Method

Presentation:
Step 1: Introduction
Teacher asks students:
"Who has seen a computer at home, school, or office?"
Teacher explains:
"A computer is an electronic machine that helps us work, learn, communicate, and play games."

Step 2: Classification of Computers by Size
Teacher displays pictures of different computers.
Teacher explains:
Supercomputer: Very large and very fast; used for weather forecasting and scientific research.
Mainframe Computer: Large computer used by banks, government offices, and large organizations.
Desktop Computer: Medium-sized computer used in homes, schools, and offices.
Laptop/Notebook: Portable computer that can be carried from place to place.
Tablet: Small touch-screen computer that is easy to carry.
Teacher uses a chart to compare the computers according to size and use.

Step 3: Classification of Computers by Purpose
Teacher explains:
Personal Computer: Used by one person at home or school.
Server Computer: Stores information and shares it with many computers.
Gaming Computer: Designed mainly for playing games.
Work Computer: Used in offices for business and administrative tasks.
Teacher gives practical examples for each type.

Step 4: Classroom Activity
Students are divided into groups.
Teacher shows pictures of different computers.
Students identify:
The size category of the computer.
Its purpose or use.

Evaluation:
Teacher asks students:
What is a computer?
Name two types of computers classified by size.
Which computer is easy to carry around?
What is a server computer used for?
Mention one use of a supercomputer.

Assignment: 
Q1. What is the biggest type of computer?
A. Supercomputer.
Q2. Which computer can you carry anywhere?
A. Laptop or tablet.
Q3. What type of computer is used to store lots of information in banks?
A. Mainframe computer.
Q4. What type of computer do we use at home for games and learning?
A. Personal computer or desktop.
Q5. Can you name a computer that is very fast and helps predict weather?
A. Supercomputer.
 

Conclusion:
Teacher summarizes the lesson by reminding students that computers are classified according to their size and purpose. Students mention examples of different computers and their uses before the lesson ends.