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??????????????????????????????????????????????????????????е?????????е???????????????????????800x600???????????????800???????600?????????ɡ???????????????????????????????????????

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???????????????????????????????????????????????趨?4λ??256?????8λ??4096?????16λ??65536?????24λ??26w????????????λ???????????????????????????????????????á?

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??????????????????佹??????????????????????????????CMOS CIF?????????????????????????????352x288????????????11w???????CMOS VGA?????????????????????????????640x480????????????30w???????CMOS SXGA?????????????????????????????1280x960????????????120w???????

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?????????pixel????picture element???д???????????????????????е?????????????????γ??????λ??“????”???????????????С??λ?????????????????С???????????????????????С?????????С??????????????????????????????κ?????????????????????ЩС???????ɡ???????????????????????????????????????????????????С????????

????MMS

????MMS??Multimedia Messaging Service????д???????????y????????????“????”????????????????y?幦?????????GPRS??CDMA 1X??3G??EDGE??????￡???WAP???????Э??????崫?????????????????????????????????????????????????????????????????????????MMS?????????綽???????????????????y?????????????????????д??y??????????????????????????????????????????????????powerpoint??????????????????????????????????????????????????÷??????????????????????????????

????EMS

????EMS??Enhanced Message Service??????????????SMS?°汾??EMS????????????????SMS????????????????????????????????????????????????????????????????????SMS???е???????????????????????в?????????????????EMS???????????EMS????????

????SMS

????SMS??short messaging service??????????????????????????????????????????????????????????綽?????????????????????????????????????????????????????SMS????????????????????????????????????????????????????????????140???????

????WAP

????WAP??wireless application protocol?????????Э???????????????Э?飬??????????????????????????????綽??????????????????WAP???????????(MOTOROLA)????????NOKIA???????????ERICSSON???????????1997???????????????????PForum??????????????????????????HTML?????????WML(wireless markup language)?????????WAP Gateway???????????????

????WAP??internet??????綽??????????????????????????????????????????????????????PDA???????????????????ЩWEB?????????????WAP?????

?????磬??????????????????http??//wap.monternet.com????????????A768i/A760?????http??//www.monternet.com

????GPRS

????GPRS??General packet Radio Service?????????????????????????????GSM??????????齻??????????????????????????IP????????????GPRS????????????????????????????“????”??????????????????????GPRS????2.5????????????????й????GSM????????3G??????????????????GSM??????????·???????????????GPRS????齻????????????“??????”??“?????????”??“?????”??“???????”??“?????л?”?????

????2.5G

????????????????????2.5G????????????2G????3G???ν?????????????2G??·????????????????????????????????????齻??????????????????????????????????????????2G??3G????????????????3G???????????????????????????????????????2G????3G???????????ν????????????????2G?? 3G????2.5G.

????GPRS??HSCSD??WAP??EDGE??????(Bluetooth)??EPOC?????????2.5G??????