A type of notebook computer that has an LCD screen on which the user can write using a stylus. The handwriting is digitized and can be converted to standard text through handwriting recognition or it can remain as handwritten text. Tablet PCs typically have a keyboard and/or a mouse for input.

The tablet PC relies on digital ink technology, where a digitizer is laid under or over an LCD screen to create an electromagnetic field that can capture the movement of the special-purpose pen and record the movement on the LCD screen. The effect is like writing on paper with liquid ink.

Tablet PC is also the name of Microsoft Windows operating system for tablet PCs.