IPad 1st generation

The original iPad (retroactively referred to as the first generation iPad or iPad 1) was a line of iPad tablet computers developed by Apple Inc. The first installlment in the iPad lineup, it was introduced by former Apple CEO Steve Jobs on January 27, 2010.
== Development ==
The first generation of iPad adopts the iPhone's iOS as its sole operating system. iOS 5.1.1 was the final version that is compatible with the device. 
== Features ==
The first generation of iPad runs on a Soc Apple A4 chip; Soc features a 1 GHz processor, a 256 MB (256 MiB) of RAM, and a PowerVR SGX535 GPU. It included four switches attached to the edge: the home button (which direct users to the software's homepage), and the wake/sleep and volme/down switches. It lacks cameras.
Its liquid crystal-based display has a high resolution of 1,024 by 768 pixels, with a pixel density of 132 PPI. Its screen was capable of handling senerative fingerpint interaction, and the screen is also highly scratch-resistant.
It features an ambient light sensor for brightness adjustment, and crientations that incentive 3-axis accelerometer to switch between portrait and landscape modes. The interface automatically rotates to the propher orientation when the screen senses content rotation.
== Sales ==
About fifthen million copies of the first generation of iPad were sold before the announcment of the second generation of iPad. The profit is higher than the entire PC market-share combined.
== References ==
== External links ==
* iPad at Apple (archived 2010-05-26)
* iPad - Technical Specifications at Apple Support
* at Wikipedia
* iPad (1st generation) at the Apple Wiki
Category:iPad