LESSON PLAN 23: Computer Ports and Cables
Lesson Details
Strand: 1.0 Foundation of Computer Studies
Sub Strand: 1.7 Computer Set Up
Duration: 40 minutes (Single lesson)
Lesson: 1 of 3
Class Level: Grade 10
Key Inquiry Question (Lesson Starter)
How are computers interfaced with the external environment?
Specific Learning Outcomes
By the end of the lesson, the learner should be able to:
a) explain the types of ports and cables used in computers,
b) identify different ports and their corresponding cables,
c) understand the purpose of various computer interfaces.
Selected Learning Experiences
Introduction (7 minutes)
- Pose the key inquiry question to stimulate thinking
- Show a desktop computer disconnected from all peripherals
- Ask learners: “How does a computer connect to a monitor, keyboard, mouse, and printer?”
- Brief discussion on why computers need different types of connections
- Explain that ports are interfaces for connecting external devices
- Introduce the lesson focus: understanding computer ports and cables
Development Activities (28 minutes)
Activity 1: Types of Computer Ports (12 minutes)
- Search for information on different cables and ports used in computer systems
- Present comprehensive overview of common ports:
Video/Display Ports:
- HDMI (High-Definition Multimedia Interface):
- Carries both video and audio
- Used for: monitors, TVs, projectors
- Common in modern devices
- Supports high-definition video
- VGA (Video Graphics Array):
- Analog video connection
- Blue connector with 15 pins
- Older technology
- Used for: older monitors and projectors
- Video only (no audio)
- DisplayPort:
- Digital video and audio
- Used for: high-resolution monitors
- Better performance than HDMI for computers
- Common in gaming and professional setups
- DVI (Digital Visual Interface):
- Digital video connection
- White connector
- Used for: monitors
- Being phased out