The iPad (announced as The new iPad, colloquially known as iPad 3 or iPad HD) is the third and current generation of the iPad, a tablet computer designed, developed and marketed by Apple Inc. Apple CEO Tim Cook revealed the device at the Yerba Buena Center for the Arts on March 7, 2012.
[Apple Inc. was] established on April 1, 1976 in Cupertino, California, and incorporated January 3, 1977, the company was named Apple Computer, Inc. for its first 30 years.
A tablet computer, or a tablet, is a mobile computer, larger than a mobile phone or personal digital assistant, integrated into a flat touch screen and primarily operated by touching the screen rather than using a physical keyboard.
The vertebrate retina (from Latin rēte, meaning “net”) is a light-sensitive tissue lining the inner surface of the eye.