研究生英语第10单元.ppt

The smartphone era Mobile phone can also change the human life The history of mobile phones The worlds first mobile phone MOTOROLA DynaTAC 8000 x 2 pounds, talk time and a half hours, the sales price of $3995, is the most valuable real brick. The history of mobile phones The history of mobile phones The first symbian smartphones in the world :The nokia 7650 In 2002, a nokia 7650 created the first: five global the first color screen mobile phone, smart phones, the first paragraph (1) built-in cameras, camera phones, the first slide mobile phones, the first 5 d joystick. Subsequently, nokia created one after another emperor, to more than 40% of market share to thrive, the worlds most innovative ability of enterprises. The history of mobile phones The first android smartphone in the world ：HTC G1 HTC G1 is a by the carrier t-mobile USA custom, HTC (HTC) OEM production, the first in the world using Google Android Mobile phone products. The history of mobile phones Apples smartphone ： In 2008, the us local time on June 9, apple chief executive Steve jobs in this years apple worldwide developers conference (WWDC 2008) officially released the 3 g iPhone.As the second generation of the iPhone, iPhone 3 g basic style with the appearance of the first generation and the user interface. In apples words, the iPhone 3 g is a widescreen iPod and different network devices, and combine innovative mobile phone products. The history of mobile phones Modern mobile phone development ： The concept of the future Thank you forviewing!!!!! 侯国龙 my phone,my love.