---
# System prepended metadata

title: final - 考試重點
tags: [Systems Analysis and Design]

---

---
tags: Systems Analysis and Design
---

# final - 考試重點

## SDLC (System Development Life Cycle)
- Traditonal methdology used to develop, maintain, and replace information systems.
- Phase in SDLC:
    - **Planning** 
        - An organization's total information system **needs are identified**, analyzed, prioritized, and arranged.
    - **Analysis**
        - System requirements are **studied and structured**.
    - **Design**
        - A description of the recommended solution is converted into **logical and then physical system specifications**.
        - **Logical Design**
            - All functional features of the system chosen for development in analysis are described independently of any computer platform.
        - **Physical Design**
            - The logical specifications of the system from logical design are transformed into the technology specific details from which all programming and system construction can be accomplished
    - **Implementation**
        - The information system is **coded, tested, installed and supported** in the organization.
    - **Maintenance**
        - An information system is systematically **repaired and improved**.


## Verification and Validation
- **Verification 驗證:** Do the thing right.

- **Validaion 確認:** Do the right thing.

後面我就不知道要考什麼了呢 ==