1. 설계(Design) 구조도
허준영

2. 요구사항 설계 구현
테스트
Structure Chart
UI Design

3. Software Design
A process of problem-solving and planning for a software solution
Includes architectural view, low-level components and algorithm implementation
요구사항 분석
문제의 이해
설계(design)
문제 풀이 방법 찾기

4. Design Activities Architectural design Abstract specification
sub-systems
Abstract specification
operations, constraints
User Interface design
Component(Module) design
Data structure design
Algorithm design

5. What you should do in the class
Structure Chart (구조도)
Shows the breakdown of the system to the lowest manageable levels
Top-down modular design
User Interface Design

6. Structure Chart Describes modules of each sub-system
Shows relationships between modules
Simple and direct method
Each module performs a specific function

7. Structure Chart Symbols
Modules
Data couples
Control couples
Conditions
Loops

8. Structure Chart Symbols - Modules
A rectangle
Module 1 can be broken down into Module 2, 3, and 4
Module 1
Control Module
Module 2
Module 3
Module 4
Library Module
(reusable module)
Sub-modules

9. Structure Chart Symbols – Data Couple
An arrow with an empty circle
Maintain Customer Data
Customer Number
Customer Name
Lookup Customer Name
모듈 이름은 행위를 나타내도록 정함

10. Structure Chart Symbols – Control Couple
An arrow with a filled circle
Control message / flag
Maintain Customer Data
Control
Couple
Customer Status
Account Overdue
Customer Number
Customer Changes
Check Customer Status
Update Customer File

11. Structure Chart Symbols – Condition
A line with a diamond
Determines which sub-module will be invoked
Sort Inventory Parts
Sort By
Part Name
Sort By
Part Number
Sort By Inventory Value

12. Structure Chart Symbols – Loop
A curved arrow
Produce Grade Reports
End of File
GPA Report
Student Number
GPA Listing
GPA
Grades
Grades
Get Student Grades
Calculate GPA
Produce Grade Report
The curved arrow indicates that these modules are repeated

13. Example
급여 기록을 읽어서 check(수표)을 인쇄하는 모듈
From Wikipedia

14. 조별 실습 지정과제에서 기능 하나를 선택하여 그 기능을 구현하는 모듈에 대해 구조도(Structure Chart)를 그려보기
주의: 모듈 이름은 행위를 나타내도록 동사형으로 쓸 것!