幻灯片注释Lect01.ppt

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幻灯片注释Lect01

Software Project Management Software Project Management Lecture 1 Introduction to Software Project Management Overview Software engineering Software project management Formal methods Software Crisis Faulty software Delay in completion time Over budgeted Difficult to maintain software Some important facts Relative cost of the software in a system is growing Increase in demand for software Increase in size and complexity of software Increase in performance of hardware Software Engineering No standard definitions Software Engineering Aimed at large software Systematic and well-defined techniques, methodologies and tools To design, code, test and maintain quality software Within a resource constrained environment Large Software Developed by more than one person Effective communications are important – standards, documentations, etc Management issues Techniques and methodologies are useful only if automated systems can be built upon them Phases of Software Development Requirements analysis and specifications Design Coding Testing Operation Maintenance Some important observations Maintenance is the most expensive phase and coding is the least expensive phase The earlier the detection of faults, the less expensive the correction of faults Characteristics of software Simple and elegant mathematical representation Logic intensive Cannot have partial completion Design costs are more expensive What is a project? Key characteristics of a project: A planned activity Specific objectives or products Work to be carried out in several phases Limited resources Deadline Large and complex Major differences between software products and hardware products Progress of software development is not obviously visible Modifications of software products are more easy and flexible Software products are usually more complex than the hardware products in terms of development or construction cost Major processes in developing a software system Feasibility study Project planning Project execution Fe

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