By Elimu Assistant Team 
LESSON PLAN 27: Characteristics of Data Communication Systems
Lesson Details
Strand: 2.0 Computer Networking
Sub Strand: 2.1 Data Communication
Duration: 40 minutes (Single lesson)
Lesson: 2 of 4
Class Level: Grade 10
Key Inquiry Question (Lesson Starter)
What makes a data communication system effective and reliable?
Specific Learning Outcomes
By the end of the lesson, the learner should be able to:
a) describe the characteristics of data communication systems,
b) explain technical terms related to data transmission,
c) understand factors affecting communication quality.
Selected Learning Experiences
Introduction (6 minutes)
- Review homework: Check terminology glossaries and component diagrams
- Pose the key inquiry question
- Ask: “Why is your video call sometimes clear and sometimes choppy?”
- Brief discussion on communication quality experiences
- Introduce the concept that data communication has measurable characteristics
Development Activities (29 minutes)
Activity 1: Key Characteristics of Data Communication (12 minutes)
- Discuss the characteristics of data communication
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