Unit 7 Computers Computers What is a computer

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Unit 7 Computers

Unit 7 Computers

Computers What is a computer? The word computer used to mean a person who

Computers What is a computer? The word computer used to mean a person who computes. In current language, a computer is any device used to process information according to a well-defined procedure.

A computer is a machine that can be programmed to interact (互相作用) with a

A computer is a machine that can be programmed to interact (互相作用) with a user. Actually, I think this definition is more accurate and appropriate: A computer is made up of the central processing unit (CPU), the hard drive, random access memory (RAM) and I/O devices, and can process data through the stored programs.

Computer Types • analog computer • pulse computer • microcomputer home computer personal computer

Computer Types • analog computer • pulse computer • microcomputer home computer personal computer server • minicomputer • mainframe computer(大型计算机) • supercomputer (超型计算机)

Computer History Please read the two articles I uploaded in the public email.

Computer History Please read the two articles I uploaded in the public email.

Abacus-c. 3000 B. C. Pre-history Transistors-1947 Doug Engelbart-1968 Electronics Apple II-1977 Mini IBM PC-1981

Abacus-c. 3000 B. C. Pre-history Transistors-1947 Doug Engelbart-1968 Electronics Apple II-1977 Mini IBM PC-1981 Micro World Wide Web-1991 Network

The following websites can be used for your reference if you are interested in

The following websites can be used for your reference if you are interested in computers:

http: //www. teachersparadise. com/en cy/en/wikipedia/c/co/computer. html (计算机的基本知识) http: //cplus. about. com/od/introducti ontoprogramming/a/cpuandram. htm (有关软件的知识)

http: //www. teachersparadise. com/en cy/en/wikipedia/c/co/computer. html (计算机的基本知识) http: //cplus. about. com/od/introducti ontoprogramming/a/cpuandram. htm (有关软件的知识) http: //news. softpedia. com/news/The. Computer-Revolution-Past. Achievements-Present-Revelations. Future-Insights-41289. shtml (计算机的历史及基本知识)