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[概述c语言
第一章 C语言概述
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Copyright 2004-2011 Aspose Pty Ltd.
1.1 C语言发展历史
程序设计语言的发展
CPU指令系统,由0、1序列构成的指令码组成
如 加
减
用助记符号描述的指令系统
如 ADD A, B
程序设计是数据被加工的过程
客观世界可以分类,对象是类的实例
对象是数据和方法的封装
对象间通过发送和接受消息发生联系
程序设计关键是定义类,并由类派生对象
C语言程序设计 第一章 C语言概述
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微型计算机结构
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现代计算机结构图
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Evaluation only.
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奔腾级计算机的结构图
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81年IBM PC
71年大规模集成电路
89和99ANSI C
计算机语言发展过程
Dennis M Ritchie(丹尼斯·里奇), C语言之父,UNIX之父。
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TIOBE Programming Community Index for August 2009
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