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2 System Development (SD) life cycle 5 phases (Systems Planning (How to…
2 System Development (SD) life cycle
5 phases
Systems Planning
How to analyze a business case
& evaluate project feasibility
Strategic Planning (SP)
process of identifying
long term
organizational goals
System Analyst should focus on strategic role ngay cả khi làm day-to-day tasks
:red_flag:SP method: SWOT
Business case
It's all about justifying the invesment
should answer Q: what is the project, why are we doing this project, how much will it cost, any risk ....
Project Planning life cycle
Project Initiation
comes from
long term SP (top-down)
department manager (bottom-up)
respond to outside forces
System request
(reviewed by
approval committee)
P sponsor: VP or Marketing
Business need: reach new customers
Business requirement: web shopping
Business value: $1m in new customers sales
Special issue: must run by holiday
Feasibility analysis
:star: SA
:red_flag:
Technical feasibility
(have tech resource ?)
Familiarity with tech
Compatibility with existing system
Vendor viability
Economic feasibility
(benefits exceed cost ?)
Tangible and Intangible benefit / cost
Organizational (Operational) feasibility
(easy to learn and use?)
Schedule feasibility
(can do in time?) chapter 3 PM tool and technique
:star: SA consider time vs cost when speed up project
Project selection
Preliminary Investigation
(output of phase 1, input of pahse 2)
:star: SA
Mục đích:
Study the system request
Recommend specific action
6 main steps
Understand the problem and opportunity
Define the project scope and constraints
Perform fact-finding
Estimate project time and cost
Evaluate feasibility (4 cái)
Present result and recommendations to management