i pad is a tablet computer use ios and manufactured by apple Inc.
iPad models
iPad Air 2
ipad Mini 4
ipad Pro
i pad are second most sellin tablet pc in the world market.
There have been six versions of the iPad. The first generation established design precedents, such as the 9.7-inch screen size and button placement, that have persisted through all models. The 2nd generation iPad (iPad 2) introduced a whole new design which also added a dual-core Apple A5 processor and VGA front-facing and 720p rear-facing cameras designed for FaceTime video calling, and dramatically reduced the thickness of the device. The third generation added a Retina Display, the new Apple A5X processor with a quad-core graphics processor, a 5-megapixel camera, HD 1080p video recording, voice dictation, and 4G (LTE). The fourth generation added the Apple A6X processor and replaces the 30-pin connector with an all-digital Lightning connector. The iPad Air added the Apple A7 processor and the Apple M7 motion coprocessor, and reduced the thickness for the first time since the iPad 2. The iPad Air 2 added the Apple A8X processor, the Apple M8 motion coprocessor, an 8-megapixel camera, and the Touch ID fingerprint sensor, and further reduced the thickness
