The history of the computer
(The picture comes from the Internet)
1. The history of computer development
In 1946, the American ENIAC was born
. The driving force generated by modern computers
需求，需求还是需求
技术发展
2. The emergence and development of microprocessors
Microprocessor chip 1971
The Influence of Hardware Technology on Computer Renewal
Von Neumann system structure computer (von-Neumann structure)
IBM System/360
Intel Corporation typical microprocessor development
3. The rise of software is developed
1. Various languages
面向机器：
机器语言
汇编语言
面向问题：
高级语言
2. System software
语言处理程序：汇报程序，编译程序，解释程序
操作系统：DOS，UNIX，Windows，Linux，Kylin Linux
服务性程序：装配，调试，诊断，排除
数据库管理系统：数据库和数据库管理软件
网络软件
3. Characteristics of software development
1>开发周期长
2>制作成本昂贵
3>检测软件产品质量的特殊性
软件是程序以及开发、使用和维护程序所需要的所有文档