56K的精选

享特解释道：“56Kmodem是经考验了的、低成本的、在任何地方都能连网。Forthetechnicallyminded,theiBookhasacarryinghandlesoitdoesn'tneedacarryingcase,afullsizedkeyboard,a300-megahertzPowerPCG3processor,abui...