Brand: IBM, operator: CenturyTel, Simon 1994 listed, the initial price is as high as $899. By today's standards, Simon is a bit bulky, with a 23 cm long fuselage and a weight of half a kilogram. But don't underestimate it. Twenty years ago, I opened my smartphone for the first time. Simon has no physical buttons and is equipped with an LCD touch screen. This configuration was a miracle in those days. To celebrate this mobile phone's birthday, the London Science Museum will display this device in the newly-built "Information Age" exhibition hall.
Extended data:
Smart phone refers to the type of mobile phone that, like personal computer, has independent operating system and independent running space, users can install software, games, navigation and other programs provided by third-party service providers, and can realize wireless network access through mobile communication network.
Smart phones have three characteristics: excellent operating system, free installation of all kinds of software (Android only) and full touch screen operation, among which Google, Apple, Samsung, Nokia and HTC are the most widely known brands in the world. And brands such as Xiaomi (mi), HUAWEI (Huawei), MEIZU (Meizu), Lenovo (Lenovo), ZTE, Coolpad, Yijia, Gionee and K-Touch have attracted much attention in China.
The birth of smart phone is the evolution of PocketPC. The earliest PDA didn't have the function of talking by mobile phone, but with the increasing dependence of users on PDA's personal information processing function, users were not used to carrying mobile phones and PCs, so manufacturers transplanted PDA system to mobile phones, and the concept of smart phones appeared. Smartphones have more comprehensive processing power than traditional mobile phones.
References:
Baidu encyclopedia-smart phone