a presentation device that interfaces with a computer and data projector, creating a large computer image displayed on its surface

a product on which you display your computer desktop and then interact with the information

a touch-sensitive projection screen that allows you to control a computer directly by touching the board

a touch-sensitive whiteboard that allows teachers and pupils to participate interactively in activities projected onto it from a data projector connected to a computer

a whiteboard with an interactive screen

Similar to a "normal" whiteboard but with a computer display projected onto the board that can then be manipulated with a stylus / touch. Often what is on the board can then be printed out.

A large presentation display system which is linked to a computer. An IWB is similar to a very large monitor, but rather than using a mouse and mouse pad, users can use pointers or their fingers on the screen to navigate.

An Interactive Whiteboard is an electronic whiteboard writing surface which can capture writing electronically in group presentation situations such as teaching. Interactive whiteboards typically require a computer; however, some newer models have basic whiteboarding functionality present within the interactive whiteboard. The interactive whiteboard is designed to allow interaction with a computer display.