Lesson Plan

Resources → Subject Notes → Computer Science → Notes
Lesson Plan
Grade: Date: 25/02/2026
Subject: Computer Science
Lesson Topic: Explain the benefits and drawbacks of using either a compiler or interpreter and justify the use of each
Learning Objective/s:
  • Describe the fundamental differences between compilers and interpreters.
  • Analyse the benefits and drawbacks of each translation approach.
  • Justify the selection of a compiler or interpreter for a given programming scenario.
  • Compare performance, portability, and development‑cycle implications of both methods.
  • Evaluate hybrid models such as byte‑code and JIT compilation.
Materials Needed:
  • Projector and screen
  • Whiteboard and markers
  • Handout with comparison table
  • Sample source‑code snippets (compiled & interpreted)
  • IDE installed on laptops (e.g., VS Code)
  • Worksheet for group justification activity
 Introduction:
Begin with a quick poll: “What languages do you think are compiled and which are interpreted?” Connect this to prior lessons on programming languages. Explain that today’s success criteria are to identify key advantages/disadvantages of each approach and to justify the most suitable choice for a given problem.
Lesson Structure:
  1. Do‑Now (5') – Students list examples of compiled and interpreted languages on the board.
  2. Mini‑lecture (10') – Present core concepts of compilers vs. interpreters with a flow‑diagram.
  3. Guided analysis (12') – Examine the benefits/drawbacks table; teacher asks probing questions.
  4. Group activity (15') – Teams choose an approach for four real‑world scenarios and complete a justification worksheet.
  5. Whole‑class debrief (8') – Groups share decisions; discuss hybrid models (byte‑code, JIT).
  6. Quick quiz (5') – Exit ticket: one advantage of a compiler, one of an interpreter, and a scenario where a hybrid is optimal.
Conclusion:
Recap the main advantages and trade‑offs of compilers and interpreters, highlighting when hybrid approaches are preferred. Collect the exit tickets and remind students to complete the homework: write a short paragraph comparing two languages of their choice, focusing on the translation method used.