Author: Xu Dongming
-mail: [email protected]
Last updated: 2019/9/8
In the eyes of people who ⾥ ⼀ some of today's software development seems to have become a simple matter, there are a lot of well developed ⼯ tools and software libraries, software development personnel on a well-trained, have a strong desire to write cool software can ⾥ in the days to get accustomed to write ⼀ a very complex piece of software. But why ⼀ able to get some software like Use households, ⽽ other ⼀ some can not? Why do some software on the market successfully, ⽽ others out in the cold? Whereby ⻅, software development is not given ⼀ difficult, the challenge is how to develop software that has Use.
--- Dr Ling Xiaoning Microsoft
First Time Chapter software ⼯ Cheng Overview
The concept and software 1.1
1. Software
- Software is another ⼀ part of a computer system and hardware interdependent. It includes programs , data and related documentation that complete the collection.
2. Software Features
1.软件是⼀种逻辑实体，⽽不是具体的物理实体
2.软件的⽣产与硬件不同
3.在软件的运⾏和使⽤期间，没有硬件那样的机械磨损，⽼化问题
- Software cost is quite expensive
3. Classification Software
(1) Press the features of the software is divided into ⾏
- system software
- application
- Support Software
(2) divided by the size of the software
- Required by the development of software Face care has been taken, and the completion time of the source code number ⾏.
(3) by the software development division
1.软件项⽬开发
2.软件产品开发1.2 The concept and scope of software engineering
1. "Software ⼯ process" ---- Software Engineering
- It is the software industry as ⼀ ⼯ kinds of products, requirements "are recorded using ⼯ path of principle and Remedies software into ⾏ planning, development and maintenance."
3. The evolution of software (software that is developed from traditional to modern software development)
1.3 software life cycle
- ⽣ the software from the product development to maturity, decline in until it is for still
原型模型（Prototype Model）
