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Software Engineering

Software Engineering. A Preview. Outline. Definitions of s oftware engineering (SE) Historical origins of SE SE as p art of systems engineering SE consists of many activities in addition to programming SE and other disciplines. Definitions. The application of engineering to software

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Software Engineering

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  1. Software Engineering A Preview Ch.1

  2. Outline • Definitions of software engineering (SE) • Historical origins ofSE • SE as part of systems engineering • SE consists of many activities in addition to programming • SE and other disciplines Ch.1

  3. Definitions • The application of engineering to software • Field of computer science dealing with software systems • large and complex • built by teams • exist in many versions • last many years • undergo changes Ch.1

  4. Definitions • Application of a systematic, disciplined, quantifiable approach to the development, operation, and maintenance of software (IEEE 1990) • Multi-person construction of multi-version software (Parnas 1978) Ch.1

  5. Role of SE in system design • SE part of larger projects • Embedded • Software requirements to be balanced against others • e.g., telephone switching systems • certain requirements can only be met by hw, sw, and special devices Ch.1

  6. History • The field of software engineering was born in 1968 in response to chronic failures of large software projects to meet schedule and budget constraints • Recognition of "the software crisis" • Term became popular after NATO Conference in Garmisch Partenkirchen (Germany), 1968 Ch.1

  7. Role of software engineer • Programming skill not enough • Software engineering involves "programming-in-the –large" • understand requirements and write specifications • derive models and reason about them • master software • operate at various abstraction levels • member of a team • communication skills • management skills Ch.1

  8. The software lifecycle(a preview) waterfall model Ch.1

  9. Relationships betweenSE and other CS disciplines • Programming languages • Operating systems • Data bases • Artificial intelligence • Theory Ch.1

  10. Relationships betweenSE and other disciplines • Management science • Systems engineering • Others Ch.1

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