????? 2 ???????????? (System Development) - PowerPoint PPT Presentation

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????? 2 ???????????? (System Development)

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... Structure Chart System flow N-S diagram HIPO Warrnier-ORR diagram Flowchart Pseudo code ... – PowerPoint PPT presentation

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Title: ????? 2 ???????????? (System Development)


1
????? 2???????????? (System Development)
  • ???????????????? (The System Development Lift
    Cycle) ??? ??????????????????????????????????
    ????????????? ??????????
  • ???????????????????????
  • ???????????????
  • ????????????????
  • ?????????????
  • ???????????? ??? ???????????
  • ?????????????????????????
  • ??????????????????????????????

2
???????????????????????
  • ????????????????? ????? ??? ???????????????????
  • ????????????????? ??? ???????????????????????????
    ????????????????????????????????????????????
  • ????? ??? ????????????????????????????????????????
    ?????????????????????????????????????????????????
  • ???????????? ?????????????????????????????????????
    ????????????????? ???? ???????????????????????????
    ????????

3
??????????????? (Determining Information
Requirements)
  • ??????????????? ??? ??????????????????????????????
    ??????????????? ??????????????????? ???????????
    ??????????????? ??????????????????????????????????
    ???????
  • ????????????? ???????????????????
    ?????????????????????? ???????? Information
    Analysis (IA)
  • ????????????????????????????? ??? (Who) ??????
    (What) ?????? (Where) ??????? (How)

4
???????????????????????????Analyzing System Needs
  • ?????????????????????????????? ???????????????????
    ???????????????????? ?????????????????????????????
    ???
  • ??????????????? (Data Flow Diagram DFD)
  • ??????????????? (Data Dictionary DD)
  • ???????????????????? (Structure Decision)
  • Structure English
  • Decision Table
  • Decision Tree

5
???????????????????????????Analyzing System Needs
  • ??????????????? (System Proposal)
    ?????????????????? ??? ???????????
  • ???????????????????????????????
  • ?????????????????????
  • ????????????? ???????? ??????????????
  • ?????????????????????????????????
    ??????????????????????????????????????????????????
    ??? ?????? Gantt Chart ???? PERT Diagram

6
?????????????System Design
  • ???????????????????????????????????????
    ?????????????????????????? ???????????????????
  • ????????????????? (Output Design)
  • ??????????????? (Input Design)
  • ???????????????? (Process Design)
  • ?????????????????? ??? ?????????? (Database/File
    Design)

7
???????????? ????????????????????????
  • ???????????? ???????????????????????? (Developing
    and Document the System) ?????????????????????????
    ??????????? ??????????????????? ???
    ??????????????????????????
  • Structure Chart
  • System flow
  • N-S diagram
  • HIPO
  • Warrnier-ORR diagram
  • Flowchart
  • Pseudo code

8
???????? ??? ??????????????
  • ???????? ??? ?????????????? (Testing and
    Maintaining the System)
  • ??????????????????????????????????????????????????
    ????????? ??????????????????????? ???
    ??????????????? ??????????????????????????
    ???????????????? ??????????? ???? ??????????

9
??????????? ???????????????????
  • ??????????? ??????????????????? (Implementing and
    Evaluating the System)
  • ????????????????????????????
  • ?????????????????????????????
  • ?????????????????????????????????????????????

10
??????????????????????????????
  • ?????????????????? ???????????????????????????
    ?????
  • ??????????????????????? ??????????????????????????
    ????????????
  • ?????????????????????????? ???????????????????????
    ???????
  • ??????????????????????????????????????????????????
    ??????
  • ???????????????????????
  • ??????????????????????????
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