These structures can be seen in Figure 2. When the designer adds a history-base to the network structure, the courseware keeps track of where the learner has already visited. A history-base can also allow the learner to take notes while using the courseware. Media Deployment . Media deployment tends to follow a given sequence.
Text is the easiest medium to place in courseware and is always present.
Still images, such as artwork or graphs, are second. Next sound typically comes since it requires little additional hardware. The current challenge is providing video into courseware. Good video is difficult and expensive to capture, store, and reproduce. It is relatively easy to create courseware that presents lessons in a linear fashion using only text.