iPad（初代）

The first-generation iPad is a tablet computer designed and marketed by Apple as the first device in the iPad lineup of tablet computers. It features an Apple A4 SoC, a 9.7 in (250 mm) touchscreen display, and, on certain variants, the capability of accessing cellular networks. Using the iOS operating system, the iPad can play music, send and receive emails and browse the web. Other functions, which include the ability to play games and access references, GPS navigation software and social network services, can be enabled by downloading apps. 来源：https://en.wikipedia.org/wiki/IPad_(1st_generation) 主图来自 Wikimedia/Wikipedia，发布前请核对 Commons 许可。