智能手机英语演讲PPT.ppt

How mobile phone develop? Let’s talk about Motorola Martin Cooper created the first mobile phone, which means the beginning of radio communication. After birth... 1G 2G 3G 4G 1G 2G WAP is short of Wireless Application Protocol(无线应用协议). 3G internet speed of 3G phone is obviously faster than that of 2G and can make it to 150KB/s. 4G 4G means the faster speed than 3G and can reach 4Mb/s! And the standards are TD-LTE and FDD-LTE. The difference between Feature phone and Smart phone Someone maybe think common phone could do the convenient things, that’s right , but … The more convenient and useful phone ? Although Feature phone is more stable than Smart phone and have much more electricity, like this The advantage of Smart phone Has better performance Is fast in running Has standalone operating system (OS) and can be update Has big touch screen Has big parts of function of PDA (Personal Digital Assistant) Users can install third-party softwares In other words Future smart phone Smart Mobile phone Smart phone How mobile phone develop? How many system of those intelligent phone? What smart phone can do? Future smart phone The difference between Feature phone and Smart phone Kinds of intelligent mobile phone 无线通信 Brick 第一款WAP手机诺基亚 7110 When getting into 2G time ,mobile phone can surf the internet ! And most 2G phone use GSM or CDMA standard. International standard of 3G are :WCDMA of Europe,CDMA2000 of America and TD-SCDMA of China. How many system of those intelligent phone? With the development of science and technology ,more and more people use mobile phone that is more intelligent and useful. Now you can not only surf the internet but also play games or search map or do shopping….. Of course when call your friends you needn’t look for phone book instead of calling his name So many incredible things! 非智能手机 （功能手机） 掌上电脑 Smart phone =PocketPC + mobile phone 掌上电脑 1+12! Though iphone 6 came out, but various concept stands for the future of smart phone~ So