Class: Primary 4
Term: 3rd Term
Week: 8
Age: 9 years
Duration: 40 minutes
Subject: Basic Science And Technology
Curriculum Theme: Computer Studies
Previous Lesson: Data Collection - Computer As An Information Processing Machine (Primary 4)
Topic: Data Processing – Computer As An Information Processing Machine
Content/Learning Area: Computer As An Information Processing Machine (IPO)
Performance Objectives
By the end of the lesson, pupils should be able to:
- Cognitive Domain: Describe how a computer processes data using the IPO model.
- Affective Domain: Show interest and attentiveness during discussions on how a computer processes information.
- Psychomotor Domain: Demonstrate the steps involved in data processing on a chart or computer diagram.
- Social Domain: Work cooperatively with peers during group discussions or chart labeling activities.
Reference Materials
The following resources was used in planning this lesson:
- 9 Years Basic Education Curriculum
- Abuja Educational Resource Centre Scheme of Work
- NAPPS National Unified Scheme of Work
- Online Information from: Wikipedia – Data processing
- Relevant Textbooks
Instructional Materials
The teacher will teach this lesson with the aid of:
- A labeled IPO chart
- Flashcards showing Input, Process, and Output devices
- A working desktop computer or simulation
- Printed diagrams of the system unit and its parts
- Whiteboard and marker
Rationale for the Lesson
Understanding how a computer processes information helps pupils know the purpose of different computer parts and how data becomes useful results.
Prerequisite/Previous Knowledge
Pupils have previously learned about data, and have basic knowledge of computer parts like the mouse, keyboard, and monitor.
Lesson Content
Data Processing – Computer As An Information Processing Machine
A computer is a machine that helps us process data into useful information. It does this using the IPO model which stands for Input, Process, and Output.
Processing
Processing is the stage where the computer works on the data to turn it into information. These include:
- Central Processing Unit
- Arithmetic Logic Unit
- Control Unit
- Memory Unit
IPO helps us understand how computers work and how we get results from them.
Teaching Methods
Discussion, Lecture, Explanation, Visual Aids, Group Work
Instructional Procedures
| Content Development | Time | Teaching Skills | Teacher’s Activity | Pupils’ Activity | Learning Point |
|---|---|---|---|---|---|
| Step 1: Introduction | 5 mins | Set Induction | Tells a story of a teacher marking exam scripts, receiving scores (input), calculating (process), and announcing results (output) | Listen to the story and relate it to computers | Pupils relate story with data processing |
| Step 2: Input Devices | 7 mins | Explanation | Shows flashcards of input devices and explains their functions | Identify and name the input devices shown | Understand devices used to give the computer data |
| Step 3: Processing | 7 mins | Demonstration | Shows a diagram of the system unit and explains how processing happens | Observe and identify parts like CPU, ALU, and memory | Learn the components responsible for data processing |
| Step 4: Output Devices | 7 mins | Visual Aids | Displays pictures of output devices and describes how they display results | Point out and mention uses of output devices | Understand how results are presented by the computer |
| Step 5: Importance of IPO | 5 mins | Discussion | Guides discussion on why IPO is important in computers | Participate in discussion and share their ideas | Understand the usefulness of the IPO model |
| Note Taking | 3 mins | Note Writing | Dictates the summary note to the pupils | Write down the note in their notebooks | Reinforce learning by writing |
| Evaluation | 4 mins | Questioning | Asks questions related to IPO model and devices involved | Answer the questions correctly | Assess pupils’ understanding of the lesson |
| Conclusion | 2 mins | Instructional Closure | Summarizes the lesson and reminds pupils of the IPO steps | Listen and ask final questions | Pupils reflect and recall the lesson learned |
Lesson Keywords
- Input – When the computer receives data
- Processing – When the computer works on data
- Output – When the computer shows the result
- IPO – Short for Input, Process, Output
- CPU – The part of the computer that does processing
Lesson Evaluation
To evaluate the learning, the teacher asks pupils to:
- Mention one example of input, processing, and output device
- State the full meaning of IPO
- Draw the IPO model and label it
- Say why processing is important in the computer
- Name one function of the CPU
Differentiation
Slower learners will use labeled diagrams, while fast learners will label blank diagrams or create their own IPO models.
Note for teachers using this lesson plan
Use simple language and visible materials. Repeat concepts using relatable examples. Allow pupils to touch and identify physical parts when possible.