Advanced Software Engineering Lecture 1 Introduction to Software Engineering[高级软件工程1讲软件工程导论](-63).ppt

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Advanced Software Engineering Lecture 1 Introduction to Software Engineering[高级软件工程1讲软件工程导论](-63).ppt

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Advanced Software Engineering Lecture 1: Introduction to Software Engineering Prof. Harold Liu Content Basic concept of software engineering Computer-based system engineering Software process Basic elements of software project management 1. What is Software？ Software=program+data+document Customized software Generic software, Shrink-wrapped software Embedded software Safety-critical software COTS (Commercial Off-the-Shelf) “I will create a software to update the database”. (some software, a piece of software, a software system) Categorized by its functionalities, scale/size, operational method, required reliability, etc. 2. What is Software Engineering? Fall, 1968, NATO Technical Committee convened nearly 50 first-class programmers, computer scientists and industry giants, discuss how to cope with software crisis. Fritz Bauer at the meeting for the first time put forward the Software Engineering concept. The establishment and use of sound?engineering principles in order to obtain economically software that is reliable and works efficiently on real machines.” --- Fritz Bauer, 1968 IEEE Definition: Software engineering is(1) the systematic, standardized, measurable method is applied to software development, operation and maintenance of the process, the upcoming engineering applied to software development process thinking(2) research into (1) Software engineering goals: low-cost, high-quality, on-time delivery Essential Characteristics of Software Engineering Concerned about the construction of large programs How to control the complexity Constantly changing software requirements Aim at improving the efficiency of software development Teamwork is key to its successful implementation Software must effectively support its users Cultural background difference for software product creation. 5. What is Software Process？ Software process is the development of software products for a group of activities and their results. All software process contains four basic ac