iPad

iPad is a tablet computer product released by Apple Inc. at the Yerba Buena Center for the Arts in San Francisco on January 27, 2010. It began to be available to the user market in March of the same year. iPad appearance specifications are 241.2×185.7×9.4 mm, and weight is 680 grams (3G version 730 grams). The iPad is powered by Apple's 1G Hertz A4 processor and has a 9.7-inch IPS screen with a resolution of 1024×768 pixels and a pixel density of 132 pixels per inch. The iPad has a built-in microphone, virtual keyboard, iBooks e-books, supports 720p H.264 video playback, supports connecting to a Bluetooth keyboard, electronic compass, accelerometer (holding direction sensor), ambient light sensor, etc.