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Acquiring Information Systems and Applications

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Presentation on theme: "Acquiring Information Systems and Applications"— Presentation transcript:

1 Acquiring Information Systems and Applications
Describe the IT planning process. Describe the IT justification Describe the SDLC and its advantages and limitations. Describe the major alternative methods and tools for building information systems List the major IT acquisition options and the criteria for option selection Describe the role of hosting vendors Describe the process of vendor and software selection.

2 Acquiring Information Systems
Zappos Uses Open-Source Software to Build Applications

3 Planning for and Justifying IT Applications

4 Acquiring Information Systems
Evaluating and Justifying IT Investment: Benefits, Costs, and Issues Assessing the Costs Assessing the Benefits Conducting Cost-Benefit Analysis

5 Strategies for Acquiring IT Applications
Buy the Applications (Off-the-Shelf Approach) Lease the Applications Use Open-Source Software Utilize Software-as-a-Service Develop the Applications In-House

6 The Traditional Systems Development Life Cycle

7 Traditional Systems Development
Systems Investigation Feasibility Study Go/No-Go Decision Systems Analysis Systems Design Programming, Testing, Implementation, Operation and Maintenance

8 Alternative Methods Prototyping Joint Application Design
Integrated Computer-Assisted Software Engineering Tools Rapid Application Development Agile Development

9 Traditional Development

10 Alternative Methods End-User Development Component-Based Development

11 Advantages and Disadvantages of System Acquisition Methods
Traditional Systems Development (SDLC) Methods Prototyping Joint Application Design Integrated Computer-Assisted Software Engineering Rapid Application Development End-User Development

12 Advantages and Disadvantages of System Acquisition Methods
Outsourcing Application Service Providers

13 Vendor and Software Selection
Step 1: Identify Potential Vendors Step 2: Determine the Evaluation Criteria Step 3: Evaluate Vendors and Packages Step 4: Choose the Vendor and Package Step 5: Negotiate a Contract Step 6: Establish a Service Level Agreement


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