Describes step-by-step procedures for taking apart a disk drive on an Apple microcomputer for a student demonstration. Lesson preparation is discussed, the use of small groups of students is recommended, and suggestions for teaching the lesson are given. (LRW)

To provide college students with a conceptual model of how their network connects to the Internet, and enable them to understand the principles of sending e-mail and using other telecomputing resources, signs were created using a graphics program with different icons representing each network component. The signs were then attached to students who…