System Analysis and Design (SAD)

+ Estimating Time required 

The system analyst a project has broken the process into three major phases:

1. Analysis
2. Design
3. Implementation

Beginning to plan a project by breaking down into three major activities

+Analysis
- Data gathering
- Data flow and decision analyst
- Proposal Preparation

+Design
- Data Entry Design
- Input Design
- Output design
- Data organization 

+Implementation
- Implementation
- Evaluation

Adding detailed task and establish the time required to complete these task

#1- Data gathering
- Conduct interview
- Administer questionnaires
- Read company report
- Observe reaction to prototype

#2- Data Flow and Decision analysis
- Analyze data flow

#3- Proposal and Preparation
- Perform cost/benefit analysis
- Prepare proposal
- Present proposal