作业帮求关于计算机发展方向的英语作文120个单词左右的小作文就行
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求关于计算机发展方向的英语作文120个单词左右的小作文就行
求关于计算机发展方向的英语作文
120个单词左右的小作文就行
求关于计算机发展方向的英语作文120个单词左右的小作文就行
Computers take numerous physical forms.Early electronic computers were the size of a large room,consuming as much power as several hundred modern personal computers.[1] Today,computers can be made small enough to fit into a wrist watch and be powered from a watch battery.Society has come to recognize personal computers and their portable equivalent,the laptop computer,as icons of the information age; they are what most people think of as "a computer".However,the most common form of computer in use today is by far the embedded computer.Embedded computers are small,simple devices that are often used to control other devices—for example,they may be found in machines ranging from fighter aircraft to industrial robots,digital cameras,and even children's toys.
A computer in a wristwatch.The ability to store and execute programs makes computers extremely versatile and distinguishes them from calculators.The Church–Turing thesis is a mathematical statement of this versatility:Any computer with a certain minimum capability is,in principle,capable of performing the same tasks that any other computer can perform.Therefore,computers with capability and complexity ranging from that of a personal digital assistant to a supercomputer are all able to perform the same computational tasks so long as time and storage capacity are not considerations.