# System Unit IV – Functions of the CPU (Primary 3)

Last Updated on July 15, 2020 by Alabi M. S.

COMPUTER STUDIES

INFORMATION TECHNOLOGY

BASIC SCIENCE AND TECHNOLOGY

THIRD TERM

WEEK 5

PRIMARY 3

THEME – BASIC COMPUTER OPERATIONS

PREVIOUS LESSON – System Unit III – Parts of CPU (Primary 3)

TOPIC – CPU

LEARNING AREA

1. Meaning of CPU

2. Functions of the CPU

PERFORMANCE OBJECTIVES

By the end of the lesson, the pupils should have attained the following objectives (cognitive, affective and psychomotor) and should be able to –

1. list parts of the CPU.

2. state the functions of CPU.

ENTRY BEHAVIOUR

System Unit

INSTRUCTIONAL MATERIALS

The teacher will teach the lesson with the aid of:

1. Parts of the CPU

2. Components of the CPU

METHOD OF TEACHING – Choose a suitable and appropriate methods for the lessons.

Note – Irrespective of choosing methods of teaching, always introduce an activities that will arouse pupil’s interest or lead them to the lessons.

REFERENCE MATERIALS

1. Scheme of Work

2. 9 – Years Basic Education Curriculum

3. Course Book

4. All Relevant Material

5. Online Information

CONTENT OF THE LESSON

INTRODUCTION

CPU – Stands for Central Processor Unit.

It is also called processor.

CPU is  the brain of a computer.

The CPU makes the computer to think, calculate, count and draw.

FUNCTIONS OF THE CPU

1. Stores data

2. Carries out calculations

3 Carries out decisions

4 Controls the flow of information.

PRESENTATION

To deliver the lesson, the teacher adopts the following steps:

1. To introduce the lesson, the teacher revises the previous lesson. Based on this, he/she asks the pupils some questions;

2. Discusses the functions of the CPU.

Pupil’s Activities – State the functions of the CPU.

CONCLUSION

• To conclude the lesson for the week, the teacher revises the entire lesson and links it to the following week’s lesson.

LESSON EVALUATION

Pupils to:

state 5 functions of a CPU.

1. ______________________________

2. ______________________________

3. ______________________________

4. ______________________________

5. ______________________________

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