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Software requirement

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  • A requirement is defined as a property that must be exhibited in order to solve some real-world problem.

Software requirement Software requirement Presentation Transcript

  • Software Requirement
  • Content
    Requirement Development
    Chapter 1: Requirement Fundamental
    Chapter 2: Elicitation Techniques
    Chapter 3: Requirements Analysis
    Chapter 4: Requirement Specification
    Requirement Management
    Chapter 5: Requirements Validation
    Chapter 6: Requirement Traceability
    Chapter 7: Requirement Process
    Chapter 8: Requirement Measurement
    Chapter 9: Assets & Tools
    Requirements Traceability Tools
    Template
  • CHAPTER 1
    Requirement Fundamental
  • Requirement Fundamental
    What ‘s Requirement?
    A requirement is defined as a property that must be exhibited in order to solve some real-world problem.
     A requirement is a singular documented need of what a particular product or service should be or perform (wiki: http://en.wikipedia.org/wiki/Requirement)
  • Requirement Fundamental
    Type of Requirement
    Functional Requirement
    Non-Functional Requirement
    System Requirement
    Software Requirement
    Product and Process Requirement
    Quantifiable Requirement
    Emergent Requirement
  • Functional v.s. Non function Requirement
    To recode sale transactions
    .
    To print at speeds of 10 pages per 30 seconds
    To check special characters in the password filed
    Salary information must be encrypted.
    Response times less than 10 seconds.
  • Functional v.s. Non function Requirement
    Non Functional Req.
    To print at speeds of 10 pages per 30 seconds
    Response times less than 10 seconds
    Functional Req.
    To recode sale transactions
    To check special characters in the password filed
    Salary information must be encrypted.
    .
  • Functional v.s. Non function Requirement
    Functional Req.
    In systems engineering, a requirement can be a description of what a system must do
    Non Functional Req.
    This type of requirement specifies something that the delivered system must be able to do. Another type of requirement specifies something about the system itself, and how well it performs its functions
  • System V.S. Software Requirement
    SYSTEM
    System requirements are the requirements for the system
    as a whole. In a system containing software components,
    software requirements are derived from system requirements
  • Product V.S. Process Requirement
  • Quantifiable Requirement
    Software requirements should be stated as clearly and as unambiguously as possible, and, where appropriate, quantitatively.
    It same Non Functional Requirement
  • Emergent requirement