Two of the most innovative features of the Tablet PC are the pen and microphone. While these devices are fairly novel for most PC users, they are intended to provide new choices for users, not to eliminate traditional input devices. In fact, a user may opt to use voice or pen input with some programs, mouse and keyboard with other programs, or voice when in transit.
By speaking commands a user can, for example, run a program or open or save a file. Speech can be used in other ways as well, most of which are not new, including conversion of spoken word to text and the recording of speech for later playback.
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