LESSON PLAN 15: The Fetch-Decode-Execute Cycle

LESSON PLAN 15: The Fetch-Decode-Execute Cycle

Lesson Details

Strand: 1.0 Foundation of Computer Studies
Sub Strand: 1.5 Central Processing Unit (CPU)
Duration: 40 minutes (Single lesson)
Lesson: 2 of 4
Class Level: Grade 10

Key Inquiry Question (Lesson Starter)

How does the CPU process instructions step by step?

Specific Learning Outcomes

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

a) explain the fetch-decode-execute cycle,

b) demonstrate the interaction between CPU, registers and memory,

c) create diagrams showing the fetch-decode-execute cycle.

Selected Learning Experiences

Introduction (6 minutes)

• Review homework: Check CPU structure diagrams
• Pose the key inquiry question
• Ask: “What happens when you click an icon on your computer?”
• Brief discussion on how instructions are processed
• Introduce the fetch-decode-execute cycle (also called instruction cycle or machine cycle)

Development Activities (29 minutes)