Subject: Computer Studies
Class: Primary 3
Topic: Understanding Output Devices
Term: Third Term
Week: 4
Duration: 40 minutes
A. Lesson Objectives
By the end of the lesson, pupils should be able to:
Define output devices in simple terms.
Mention at least three examples of output devices.
State the functions of common output devices.
Differentiate between input and output devices.
B. Instructional Materials
Pictures or real devices (e.g., monitor, printer, speaker)
Flashcards with names and uses of output devices
Chart showing input vs. output devices
A computer system (if available)
Drawing materials
C. Lesson Content
1. What Are Output Devices?
Output devices are parts of a computer that help us see, hear, or get the results of the work done by the computer.
Simple definition:
Output devices show us what the computer has done.
They allow us to receive information from the computer.
2. Functions of Output Devices
They display or present information from the computer.
They help us see pictures or words, hear sounds, or print documents.
They let us know what the computer is doing.
3. Examples of Output Devices
| Output Device | Function or Use |
|---|---|
| Monitor | Shows text, pictures, and videos (like a TV) |
| Printer | Prints information or pictures on paper |
| Speaker | Plays sound, music, or voice |
| Headphones | Lets one person hear sound from the computer |
| Projector | Displays information on a big screen |
4. Differences Between Input and Output Devices
| Feature | Input Devices | Output Devices |
|---|---|---|
| What they do | Send information to computer | Show information from computer |
| Example 1 | Keyboard | Monitor |
| Example 2 | Mouse | Printer |
D. Class Activities
Activity 1: Show and Tell
Show pictures of output devices and let pupils say their names and what they are used for.
Activity 2: Group Sorting
Provide images of both input and output devices. Pupils sort them into correct groups.
E. Evaluation (Assessment)
Ask pupils the following questions:
What is an output device?
Mention three examples of output devices.
What does a monitor do?
Which device helps us hear sound from the computer?
Is a keyboard an input or output device?
F. Assignment
Draw and label two output devices.
Write one sentence about what each device does.
G. Conclusion
Output devices help us receive information from the computer.
Examples include monitor, printer, and speaker.
They are important because they help us see, hear, or print what the computer is doing.
We use both input and output devices to work well with a computer.
