Thursday, March 24, 2011

Tablet computer 13

Comparison with laptop computers
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The advantages and disadvantages of tablet computers are highly subjective measures. What appeals to one user may be exactly what disappoints another. The following are commonly cited opinions of tablet computers versus laptops:

Advantages
    * Usage in environments not conducive to a keyboard and mouse such as lying in bed, standing, or handling with a single hand.
    * Lighter weight, lower power models can function similarly to dedicated reading devices like the Amazon Kindle.
    * Touch environment makes navigation easier than conventional use of keyboard and mouse or touch pad in certain contexts such as image manipulation, or mouse oriented games.
    * Digital painting and image editing are more precise and intuitive than painting or sketching with a mouse.
    * The ability for easier or faster entery of diagrams, mathematical notations, and symbols.
    * Allows, with the proper software, universal input, independent from different keyboard localizations.
    * Some users find it more direct and pleasant to use a stylus, pen or finger to point and tap on objects, rather than use a mouse or touchpad, which are not directly connected to the pointer on screen.

Disadvantages
    * Higher price — convertible tablet computers can cost significantly more than non-tablet portable PCs although this premium has been predicted to fall.
    * Input speed — handwriting or typing on a virtual keyboard can be significantly slower than typing speed on a conventional keyboard, the latter of which can be as high as 50-150 WPM; however, Slideit, Swype and other technologies are offered in an effort to narrow the gap.
    * Ergonomics - a tablet computer, or a folded slate PC, does not provide room for a wrist rest. In addition, the user will need to move their arm constantly while writing.
    * Weaker video capabilities - Most tablet computers are equipped with embedded graphics processors instead of discrete graphics cards. In July 2010, the only tablet PC with a discrete graphics card was the HP TouchSmart tm2t, which has the ATI Mobility Radeon HD5450 as an optional extra.

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