Scenario
Computer applications that run on desktop and laptop computers have, for a long time, been designed to be
driven by dragging and clicking a mouse. With the introduction of tablet personal computers, the trend has
shifted toward using touch-based screens. We now have access to touch-based TVs, touch-based monitors,
touch-based laptops, and touch-based tablets. Touch and multi-touch devices provide end users with the ability
to interact physically with an application much more naturally.
Imagine that you are the Information Technology Director of a major chain restaurant, and you have been
assigned to design a menu ordering application that can run on all devices. Examine whether using a touchscreen monitor, a tablet, or a mouse to select menu items to place an order would be most efficient. Speculate
how employees would interact with these devices and the type of emotional reaction that customers and
employees will experience while placing a beverage, appetizer, or entrée order.
Instructions
Write a 4–5 page paper in which you:

1. Differentiate between the interaction types and styles that apply to multi-touch screens and applications
   running on them.
2. Determine the conceptual model that you would use when designing a product for your restaurant.
3. Describe the key analogies and concepts these monitors expose to users, including the task-domain objects
   users manipulate on the screen.
4. Determine one utility or tool in an application for touch-based and mouse-driven screens that should be
   designed with memory retention or recall. Provide a rationale for your response.

Sample Solution

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