* Business-oriented tablet personal computers have been slow sellers from 2001 to date.
* Screen risk - Tablet computers are handled more than conventional laptops, yet many are built on similar frames; in addition, since their screens also serve as input devices, they run a higher risk of screen damage from impacts and misuse.
* Hinge risk - A convertible tablet computer's screen hinge is often required to rotate around two axes, unlike a normal laptop screen, subsequently increasing the number of possible mechanical and electrical (digitizer and video cables, embedded WiFi antennas, etc.) failure points.
Developing programs for tablet computers
A significant trait to define whether a tablet computer can be regarded as a personal computer is the ability for the final user to install arbitrary or self-developed software. The new class of devices heralded by the iPad has spurred the tendency of a walled garden approach where the vendor reserves rights as to what can be installed. The software development kits for these platforms are restricted and the vendor must approve the final application for distribution to users. Proponents of open source software deem that these restrictions on software installation and lack of administrator rights make this category one that, in their view, cannot be properly named personal computers.But newer mobile operating system based tablet computers may abandon the walled garden concept, and be like personal computers in this regard.
Tablets in developing countries
The low hardware requirements and easy operation of tablet computers has made it subject to various design studies for use in developing countries. Prototype tablet computers such as the Sakshat have been projected to cost $35, according to researchers in India which shall be soon available for the masses as the cheapest tablet working on Android with full functionality;however the bill of materials currently comes to $47.One laptop per child (OLPC) plans to introduce a tablet computer for $100.Nicholas Negroponte, Chairman of OLPC, has invited the Indian researchers to MIT to begin sharing the OLPC design resources for their tablet computers.OLPC has been awarded a grant for an interim step to their next generation tablet, OLPC XO-3.
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