Using the four basic application types introduced in this chapter, classify the following systems and explain your classification:
A point-of-sale system in a supermarket A system that sends out reminders that magazine subscriptions are due to be paid A photo album system that provides some facilities for restoring old photographs A system that reads web pages to visually disabled users An interactive game in which characters move around, cross obstacles and collect treasure An inventory control system that keeps track of what items are in stock and automatically generates orders for new stock then the level falls below a certain value.