Computer Program - PowerPoint PPT Presentation

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Title:

Computer Program

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... ??????????????????????? Source Code ???????????????????????? Source file ... compile. Programming Development - ???????????????. ???????????????????????? ... – PowerPoint PPT presentation

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Title: Computer Program


1
Computer Program
  • ??? ??????????????? ??????????????
  • (???????????????????????????????????? ??????
    (data) ??????????????? (information)
    ????????????????????????????)
  • Computer Program ???? ??????????????????????????
    ? ????????????????????? ??????????????????? ?
    ???????? ? ?????
  • ?????????????????????????????????????????????????
    Source Code ???????????????????????? Source
    file
  • ??????????????? Source Code ?????????????????????
    ??????????????????????? Object Code

Source Code
Object Code
compile
2
Programming Development - ???????????????
??? ?????????????????????? ???? ????????????
??????? ??????????????????????????????????????????
???????????
  • ????????????????????????
  • ?????????????????????????????????? (Review
    Program Specification)
  • ?????????????
  • ????????????
  • ????????????
  • ????????????????????????

3
?????????????????
  • ??????????????????????????? (Define the problem)
    ?????????????????????????????????????????????
  • ??????????????????????????????????????????????????
    ??? ??? ??????????????? (Programmer)
  • ??????????????Programmer ?????????????????????????
    ???????? Output ?????????????????????
  • Programmer ?????????????????????? Input ?????????
    ??? Input ??????????????????????

4
????????????????
  • ??????????????????? Input ????????????
    ?????????????????????????????????????????????
    Output ??????????
  • ????????????????????????????
  • ?????? ( Variable Value ) ????????????????????????
    ???????????????????????????????
    ????????????????????????????
  • Algorithm (?????????????????????? )
  • ????????????? Algorithm ?????????????????
  • ?????? ( Flowchart )
  • ????????? (Psuedocode)
  • ????????????????????????????????????????????????(?
    ???????????????) ??? ???????? Code
    ?????????????????????????????????????

5
????????????????????????????????
  • Module
  • ?????????????????????????? ?
  • ?????????????????? ? ???????? Structure Chart
    ???? Hierachy Chart ?????????????????
    ?????????????????
  • Control Structure
  • Sequence
  • Selection Structure Case Structure
  • Iteration Structure
  • Single Entry / Single Exit
  • ????????? ??? ?????? ?????????????????????????????
    ????

6
Flowchart - ??????

??????????????? ???? ?????????? ?????????? ????
????????????????? ???? ?????????
??????????????????? ???? ????????????? ??????????
??????? ?????????????????????? ??????????????????
???
???????????????????????????? ?????????????????????
???????? ??????? 2 ?????????????????? ???????
7
Control Structure - ??????????????? sequence
  • ?????????????????????????????????????????
    ????????????? ??????????????? 2 ????????????? 3
    ???????? ?????????

8
Control Structure - ??????????????? selection
  • ????????????????????????????????
    ?????????????????????? ????????????????????
    ??????? 2 ?????????????? ????????????????????????
    ??????????? ??????????????????????????????????????

condition
Case 2
Case 3
Case 1
9
Control Structure - ??????????????? Iteration
  • Do while
  • Do Until

false
true
?????????????????????????????????? ???(loop)
???????????????????????????????????????????????
?????
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