Tuesday, January 18, 2011

Tablet personal computer 2

With the succession of Windows Vista, the Tablet PC functionality no longer required a separate edition. Tablet PC support is built into all editions of Windows Vista with the exception of Home Basic and Starter editions. This extends the handwriting recognition, ink collection,[15] and additional input methods to any computer running Vista even if the input device is an external digitizer, a touch screen, or even a regular mouse. Vista also supports multi-touch functions and gestures (originally developed for the Microsoft Surface version of Vista) and is now usable by the public with the release of multi-touch tablets. Windows Vista also significantly improved handwriting recognition functionality with the introduction a handwriting recognition personalization tool as well as an automatic handwriting learning tool.

Tablet functionality is available in all editions of Windows 7 except the Starter edition. It introduces a new Math Input Panel that recognizes handwritten math expressions and formulas, and integrates with other programs. Windows 7 also significantly improved pen input and handwriting recognition by becoming faster, more accurate, and supportive of more languages, including East Asian writing systems. Personalized custom dictionaries help with the recognition of specialized vocabulary (like medical and technical terms), and text prediction speeds up the input process to make note-taking faster. Multi-touch technology is also available on some tablet PCs, enabling more advanced interaction using touch gestures with your fingers the same way a mouse is used.[16] Despite such advances, problems may arise with tablet functions of the OS, when, for instance, touch screen drivers are recognized as PS/2 mouse input rather than a touch input device. In such instances tablet functions may be unavailable or severely restricted in functionality.

Windows 7 touch capability is built with Microsoft Surface technologies. This is a gesture and touch-centric UI enhancement that works with most current touch computers. Among the first tablet PCs launched in 2010 based on the Windows 7 operating system are bModo12 from bModo[17] and Samsung Galaxy. Windows has a history of tablet technology including Windows XP Tablet PC Edition.[18][19] Tablet PC Edition is a superset of Windows XP Professional, the difference being tablet functionality, including alternate text input (Tablet PC Input Panel) and basic drivers for support of tablet PC specific hardware. Requirements to install Tablet PC Edition include a tablet digitizer or touchscreen device, and hardware control buttons including a Ctrl-Alt-Delete shortcut button, scrolling buttons, and at least one user-configurable application button.

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