IPad is a series of tablet computers released by Apple in 20 10, which is positioned between Apple's smartphone iPhone and notebook computer products.
Like the iPhone layout, it provides functions such as browsing websites, sending and receiving emails, reading e-books, playing audio or video, playing games and so on.
Because of the ARM architecture, it is not compatible with ordinary PC desktop and notebook programs. You can work by installing the iWork suite provided by Apple, and you can preview and edit Microsoft office and PDF files through iPadOS third-party software.
Apple tablet iPad is divided into WLAN and WLAN+ cellular versions.
Starting from the NewiPad, both the fourth-generation iPad and iPad Air have used Retina screens.
The Retina display of iPad has 365,438+megapixels, which makes it an advanced and excellent display for mobile devices. Make everything look clearer and more vivid. The words are clear and Ming Rui, and the colors are vivid and rich. Photos and videos are details.
The so-called "retina" is a display technology, which can compress more pixels into one screen, thus achieving higher resolution and improving the fineness of screen display.
Initially, this technology was used on Apple's iPhone 4 with a screen resolution of 960×640 (326ppi per inch). This resolution is enough to make people unable to distinguish a single pixel under normal line of sight.