Excitement about handhelds must be tempered by an understanding of what is typically required when any new technology is introduced into classrooms. We know, for example, that to succeed, handheld initiatives will need clear educational objectives and a logical theory of action that guides implementation. We can anticipate that teachers will need…

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…