Class: Primary 3

Term: 1st Term

Week: 4

Age: 8 years

Duration: 40 minutes


Subject: Basic Science & Technology

Curriculum Theme: Computer Studies



  • Definition of input devices.
  • Identifying the input devices.

Specific Objectives:

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

  1. Define input devices.
  2. Identify and list 6 input devices.
  3. Identify 10 parts of the computer.

Reference Materials:

  • 9 – Years Basic Education Curriculum
  • Abuja Educational Resource Centre Scheme of work
  • NAPPS National Unified Scheme of Work
  • Online Information
  • Textbooks (List your relevant textbook here)

Instructional Materials:

  • Computer set
  • Charts
  • Images of input devices
  • Chart showing computer parts

Rationale for the Lesson:

Understanding input devices is crucial in today’s digital world. They help us interact with computers and other digital devices effectively.

Prerequisite/Previous Knowledge:

Pupils have basic knowledge of computers and have seen or used them.


Content Development: Input Devices

StepTimeTeaching MethodTeacher’s Points/ActivitiesPupils’ Activities
Introduction (5 mins)5 minsDiscussion– Explain the topic: “Input Devices.”
– Show a computer set and charts to aid understanding.
– Ask pupils what they think input devices are.
– Explain the importance of input devices in computers.
– Listen attentively.
– Observe the computer set and charts.
– Share their thoughts about input devices.
Definition of Input Devices (10 mins)10 minsExplanation– Define input devices as tools that allow us to give information to a computer.
– Explain that input devices help the computer understand what we want to do.
– Show images of input devices like keyboard, mouse, and microphone.
– Pay attention to the teacher’s explanation.
– Identify and name the input devices shown.
Identifying Input Devices (10 mins)10 minsDemonstration– Display a chart showing different input devices.
– Point to and name each input device on the chart.
– Discuss each input device’s function.
– Encourage pupils to identify input devices in the classroom.
– Watch the chart attentively.
– Participate in identifying input devices in the classroom.
– Ask questions if needed.
Identifying Computer Parts (5 mins)5 minsDemonstration– Explain that computers have various parts, some of which are input devices.
– Point out and name parts of the computer, such as the monitor, keyboard, and mouse.
– Emphasize that some parts are for input and others for output.
– Observe and learn about computer parts.
– Ask questions if something is unclear.
Recap and Note Taking (5 mins)5 minsDiscussion– Summarize the key points of the lesson.
– Tell pupils to copy important information in their notebooks.
– Listen to the summary carefully.
– Take notes in their notebooks.
Evaluation (5 mins)5 minsQuestioning– Ask questions related to input devices and computer parts to test understanding.– Answer questions individually.
– Participate in the evaluation.
Conclusion (5 mins)5 minsDiscussion– Reinforce the importance of input devices and understanding computer parts.
– Encourage pupils to explore computers and notice input devices in their daily life.
– Listen to the teacher’s final remarks.
– Share thoughts on how they can apply this knowledge.

Note to Pupils:

Input Devices

Input devices are tools that help computers understand what we want to do, they are also used to send data into the computer. Examples include:

  1. The keyboard
  2. Mouse
  3. Microphone
  4. light pen
  5. Joy stick
  6. Camera
  7. Scanner
  8. Touchpad

Parts of the Computer

Parts of a Computer

Computers have many parts, they include; 

  1. Monitor
  2. Keyboard
  3. Mouse
  4. System Unit (SU)
  5. Hard Drive
  6. Speakers
  7. Microphone
  8. Webcam
  9. Memory (RAM)
  10. Power Supply Unit (PSU)

Some parts are for input, and some are for output or storing information.


  1. What are input devices?
  2. Can you name three input devices?
  3. How many computer parts can you identify?
  4. List 5 computer parts

Note to Teachers:

Customize the lesson content and teaching methods to suit your teaching style and available resources.

Categorized in:

Lesson Notes,

Last Update: September 25, 2023