Ultra-Mobile PC

An earlier lightweight tablet PC with an on-screen keyboard, introduced in 2006. Weighing two pounds or less and using a hard drive for content, the Ultra-Mobile PC (UMPC) ran under the Windows Tablet PC operating system with Touch Pack software. Both Wi-Fi and Bluetooth were included. Code-named Origami, the Ultra-Mobile PC followed Microsoft's Windows CE-based media player (see Portable Media Center). See tablet and Tablet PC.

Samsung's DialKeys

Microsoft's Touch Pack software let people type with their thumbs on this Samsung Q1, one of the first Ultra-Mobile PCs. (Image courtesy of Samsung Electronics Company, Ltd., www.samsung.com)