大约一个世纪前,著名作家狄更斯在他的《远大前程》中写道:我的行动准则总是:找到便于随身携带的财富。一个世纪后的今天,狄更斯的行动准则在我们称之为“流动办公室”的手提电脑用户中所具有的意义,已远远地超出了他在19世纪到处流浪时的想象。手提电脑最早出现于80年代初期,电脑的系统部件都在一个手提的箱子里,显示器附在一个有绞链的盖子上,而键盘则较小和更加紧凑,重量约为20公斤左右,可以把它像行李一样拎起来随身携带,因此称其为便携式电脑。不久,一些电脑公司又将其重量减到了10公斤以内,并称其为膝上型电脑。这种电脑与目前 About a century ago, famous writer Dickens wrote in his Great Expectations: My Code of Conduct always looks for wealth that is easy to carry around. Today, a century later, Dickens’s code of conduct has meaning beyond the imagination of his wandering home in the 19th century for what we call the “mobile office” laptop user. Laptops first appeared in the early 1980s with computer system components housed in a hand-held case with a monitor attached to a hinged lid, while the keyboard was smaller and more compact with a weight of about 20 kg. It carries it like a luggage and carries it around, so calling it a laptop. Soon after, some computer companies in turn reduced their weight to less than 10 kilos and called it a laptop. This kind of computer with the present