The document outlines a 2 hour lesson plan for teaching Diploma students the four main components of a computer: input, process, output, and storage. The lesson includes brainstorming activities, a video analogy, a lecture defining the components, group discussion, and problem-solving tasks to reinforce learning. Students will learn to identify input devices that send data to the CPU, how the CPU processes information, different output devices, and secondary storage devices that permanently store data and programs.