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

    1. 2. <ul><li>Requirement Development </li></ul><ul><ul><li>Chapter 1: Requirement Fundamental </li></ul></ul><ul><ul><li>Chapter 2: Elicitation Techniques </li></ul></ul><ul><ul><li>Chapter 3: Requirements Analysis </li></ul></ul><ul><ul><li>Chapter 4: Requirement Specification </li></ul></ul><ul><li>Requirement Management </li></ul><ul><ul><li>Chapter 5: Requirements Validation </li></ul></ul><ul><ul><li>Chapter 6: Requirement Traceability </li></ul></ul><ul><ul><li>Chapter 7: Requirement Process </li></ul></ul><ul><ul><li>Chapter 8: Requirement Measurement </li></ul></ul><ul><li>Chapter 9: Assets & Tools </li></ul><ul><ul><li>Requirements Traceability Tools </li></ul></ul><ul><ul><li>Template </li></ul></ul>
    2. 3. <ul><li>CHAPTER 1 </li></ul>
    3. 4. <ul><li>What ‘s Requirement? </li></ul>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 )
    4. 5. <ul><li>Type of Requirement </li></ul><ul><ul><li>Functional Requirement </li></ul></ul><ul><ul><li>Non-Functional Requirement </li></ul></ul><ul><ul><li>System Requirement </li></ul></ul><ul><ul><li>Software Requirement </li></ul></ul><ul><ul><li>Product and Process Requirement </li></ul></ul><ul><ul><li>Quantifiable Requirement </li></ul></ul><ul><ul><li>Emergent Requirement </li></ul></ul>
    5. 6. <ul><li>To recode sale transactions </li></ul><ul><li>. </li></ul>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.
    6. 7. <ul><li>Non Functional Req. </li></ul><ul><ul><li>To print at speeds of 10 pages per 30 seconds </li></ul></ul><ul><ul><li>Response times less than 10 seconds </li></ul></ul><ul><li>Functional Req. </li></ul><ul><ul><li>To recode sale transactions </li></ul></ul><ul><ul><li>To check special characters in the password filed </li></ul></ul><ul><ul><li>Salary information must be encrypted. </li></ul></ul><ul><li>. </li></ul>
    7. 8. <ul><li>Functional Req. </li></ul><ul><li>Non Functional Req. </li></ul>In systems engineering, a requirement can be a description of  what  a system must do 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
    8. 9. 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
    9. 11. <ul><li>Software requirements should be stated as clearly and as unambiguously as possible, and, where appropriate, quantitatively. </li></ul>It same Non Functional Requirement

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