What are Interfaces? How are they used? Categories Cross Reference Table

	Step 2: How are they used?
	Interfaces can be found almost anywhere a computer is used to share information with a group of people: classrooms, boardrooms, conference rooms, lecture halls, etc. Here's an example of an application using a universal interface. The interface (RGB 168xi) is mounted under a desk. A laptop provides the video and audio inputs. A Architectural Adpater Plate (AAP)provides a network connection for the laptop. The interface then routes the video to a monitor and a projector. To decide which interface is best for a specific application, answer the following questions: What type of computer(s) or graphics card(s) will be used? Will several inputs be used at once? Where will the interface be located and will it need to be moved? Does the computer have a video output port? What is the technical level of the user, and who is going to have access to the interface? What features are needed in this interface?