1、智能手机英语演讲智能手机英语演讲Smart phoneHow mobile phone develop?How many system of those intelligent phone?What smart phone can do?Future smart phoneThe difference between Feature phone and Smart phoneKinds of intelligent mobile phoneHow mobile phone develop?Lets talk about MotorolaMartin Cooper created the fir
2、st mobile phone, which means the beginning of radio communication. 无线通信无线通信After birth.1G2G3G4G1GBrick WAP is short of Wireless Application Protocol(无线应用协议无线应用协议).第一款WAP手机诺基亚 7110When getting into 2G time ,mobile phone can surf the internet !And most 2G phone use GSM or CDMA standard.internet speed
3、of 3G phone is obviously faster than that of 2G and can make it to 150KB/s.International standard of 3G are :WCDMA of Europe,CDMA2000 of America and TD-SCDMA of China.4G means the faster speed than 3G and can reach 4Mb/s! And the standards are TD-LTEand FDD-LTE. How many system of those intelligent
4、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 neednt look for phone book instead of calling h
5、is name So many incredible things!The difference between Feature phone and Smart phone Someone maybe think common phone could do the convenient things, thats right , but 非智能手机（功能手机）The more convenient and useful phone ?Although Feature phone is more stable than Smart phone and have much more electri
6、city, like this The advantage of Smart phone掌上电脑Has better performanceIs fast in runningHas standalone operating system (OS) and can be updateHas big touch screenHas big parts of function of PDA (Personal Digital Assistant)Users can install third-party softwaresIn other wordsSmart phone =PocketPC + mobile phone掌上电脑1+12!Future smart phoneThough iphone 6 came out, but various concept stands for the future of smart phone2020/11/519谢谢观赏！
