1. System Planning (Overview of Feasibility)
System Analysis and Design
System Planning (Overview of Feasibility)
- Mr. Ahmad Al-Ghoul

2. System Analysis and Design System Planning
Chapter Objectives
Discuss how to evaluate feasibility
Discuss how to Set Priorities
Describe Project Management Tools includes, Gantt Charts, and PERT Diagram
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System Analysis and Design System Planning

3. Evaluating Feasibility
The first step in evaluating feasibility is to identify and weed out systems requests that are not feasible
Even if the request is feasible, it might not be necessary
Systems requests that are not currently feasible can be feasible latter due to technology improvement
An initially feasible project can be rejected later.
Feasibility analysis is an ongoing task that must be performed throughout the systems development process
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System Analysis and Design System Planning

4. Evaluating Feasibility
Projects that meet the project selection criteria, as well as the feasibility criteria, should be chosen for further study to specify priority.
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System Analysis and Design System Planning

5. System Analysis and Design System Planning
Setting Priorities
Factors that Affect Priority
Will the proposed system reduce costs? Where? When? How? How much?
Will the system increase revenue for the company? Where? When? How? How much?
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System Analysis and Design System Planning

6. System Analysis and Design System Planning
Setting Priorities
Factors that Affect Priority
Will the systems project result in more information or produce better results? How? Are the results measurable?
Will the system serve customers better?
Will the system serve the organization better?
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System Analysis and Design System Planning

7. System Analysis and Design System Planning
Setting Priorities
Factors that Affect Priority
Can the project be implemented in a reasonable time period? How long will the results last?
Are the necessary financial, human, and technical resources available?
Whenever possible, the analyst should evaluate a proposed project based on tangible costs and benefits that represent actual (or approximate) dollar values
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System Analysis and Design System Planning

8. System Analysis and Design System Planning
Setting Priorities
Discretionary and Nondiscretionary Projects
Projects where management has a choice in implementing them are called discretionary projects
Projects where no choice exists are called nondiscretionary projects
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System Analysis and Design System Planning

9. Project Management Tools
All IT projects, large and small, must be managed and controlled
Project management begins with a systems request, and continues until the project is completed or terminated
Two tools for project planning and control are Gantt charts and PERT diagrams
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System Analysis and Design System Planning

10. Project Management Tools
Gantt Charts
Easy to construct and use
Shows activities over a period of time
It is a chart on which bars represent each task or activity
The length of each bar represents the relative length of the task
X axes indicates time and y axes indicates a description of activities
Activities can overlap part of time
[4]
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System Analysis and Design System Planning

11. Project Management Tools
PERT Diagram
PERT - Program Evaluation and Review Technique
PERT diagram represented by a network of nodes and arrows that are then evaluated to determine the critical activities, improve the schedule, and review progress
PERT is useful when activities can be done in parallel rather than in sequence
PERT diagrams show precedence, activities that must be completed before the next activities may be started
Used to calculate the critical path, the longest path through the activities
This is the shortest time to complete the project
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System Analysis and Design System Planning

12. Project Management Tools [4]
PERT Diagram Example
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System Analysis and Design System Planning

13. System Analysis and Design System Planning
Sequence Summary
evaluating feasibility is to identify and weed out systems requests that are not feasible
Projects where management has a choice in implementing them are called discretionary projects
Projects where no choice exists are called nondiscretionary projects
A project manager uses a variety of techniques to monitor, control, and report project tasks
Can use graphical tools such as Gantt charts and PERT/CPM charts to assist in the scheduling process
Gantt chart is a chart on which bars represent each task or activity
PERT diagram represented by a network of nodes and arrows that are then evaluated to determine the critical activities, improve the schedule, and review progress
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System Analysis and Design System Planning

14. System Analysis and Design System Planning
Sequence Summary
In this Sequence we have
Discussed how to evaluate feasibility
Discussed how to Set Priorities
Described the Factors that Affect Priority
Distinguished between discretionary and nondiscretionary projects
Described Project Management Tools includes, Gantt Charts, and PERT Diagram
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System Analysis and Design System Planning

15. System Analysis and Design System Planning
Reference
[1]System Analysis and Design, Sixth Edition (Chapter 2 )
Authors: Gary B. Shelly, Thomas J. Cashman and Harry J. Rosenblatt ,
Publisher: SHELLY CASHMAN SEWIES.
[2] Modern Systems Analysis and Design fourth Edition (Chapter 5 )
Authors: Jeffrey A. Hoffer , Joey F. George, Joseph S. Valacich
Publisher: prentice hall
[3] System Analysis and Design, 3rd Edition ( Chapter 2 )
Authors: Dennis, Wixom, & Roth
Publisher: John Wiley & sons
[4] SYSTEM ANALYSIS AND DESIGN, sixth edition ( Chapter 3 )
Authors: Kenneth E. Kandall and Julie E. Kendall
Publisher: prentice hall
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System Analysis and Design System Planning