神马作文网英语翻译A computer is a machine designed to perform work mathema
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英语翻译
A computer is a machine designed to perform work mathematically and to store information that has been fed into it.It is run by either mechanical or electronic means.These machines can do a great deal of calculation work in a very short time.A large computer' for example' can add or subtract nine thousand times a second' multiply a thousand times a second' or divide five hundred times a second.Its percentage of error is about one in a billion digits while the percentage of error by human-beings is about one in two hundred digits.
The heart of an electronic computer lies in its transistors.Its electronic circuits work a thousand times faster than the nerve cells in the human brain.A problem that might take a human being two years to solve can be solved by a computer in one minute' but in order to work properly' a computer must be given instructions--it must be programmed.
Computers can be designed for many specialized purposes--they can be used to guide airplane flights' direct traffic' even to play chess.Computers play an important role in modem plants and factories throughout the world.
A computer is a machine designed to perform work mathematically and to store information that has been fed into it.It is run by either mechanical or electronic means.These machines can do a great deal of calculation work in a very short time.A large computer' for example' can add or subtract nine thousand times a second' multiply a thousand times a second' or divide five hundred times a second.Its percentage of error is about one in a billion digits while the percentage of error by human-beings is about one in two hundred digits.
The heart of an electronic computer lies in its transistors.Its electronic circuits work a thousand times faster than the nerve cells in the human brain.A problem that might take a human being two years to solve can be solved by a computer in one minute' but in order to work properly' a computer must be given instructions--it must be programmed.
Computers can be designed for many specialized purposes--they can be used to guide airplane flights' direct traffic' even to play chess.Computers play an important role in modem plants and factories throughout the world.
电脑是自动化运行和贮存所录入信息的机器.它由机械装置或者电子装置操作运行.这些设备可以在短时间内进行大量的运算.比如说,一台电脑可以一秒钟之内进行加减运算9000次、做乘法运算1000次、除法运算500次.电脑出错的比率是10亿分之一,而人脑出错的比率是200分之一.
电脑的核心在于晶体管.它的电路比人脑中的中枢神经运行快上1000倍.需要人2年才能解决的问题电脑只需要一分钟,但是为了让电脑正常运行,电脑需要指令--电脑必须经过编程.
电脑可被设计做很多用途--它们可以被用来为飞机导航、指引铁路、甚至是下棋.电脑在当今世界的企业和工厂都起着重大的作用.
电脑的核心在于晶体管.它的电路比人脑中的中枢神经运行快上1000倍.需要人2年才能解决的问题电脑只需要一分钟,但是为了让电脑正常运行,电脑需要指令--电脑必须经过编程.
电脑可被设计做很多用途--它们可以被用来为飞机导航、指引铁路、甚至是下棋.电脑在当今世界的企业和工厂都起着重大的作用.
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