AIS DEVELOPMENT STRATEGIES

1. Outsourcing System

1.1. Hiring an outside company to handle all/part of org data processing activities

1.1.1. Advantages -Asset utilization -Less development time -Lower costs

1.1.2. Disadvantages -Loss of control -Increased risk -Inflexibility

2. Methods for improving system development

2.1. Business process management

2.1.1. automates and facilitate business process improvements throughout the SDLC.

2.2. Prototyping

2.2.1. An approach to system design in which a simplified working model, or prototype, of an IS is developed.

2.3. Agile Methodologies

2.4. Computer-aided engineer

2.4.1. Integrated package of tools that skilled designers use help plan, analyze, design, program and maintain an IS.

3. Purchasing Software

3.1. Steps 1. Selecting vendor ( through referrals, internet etc) 2. Request for proposal of system that meets company needs -Simplifies decision making 3.Evaluate proposals -Benchmark problem -Point scoring 4. Select based on criteria fulfilment

4. In-house development

4.1. Org develop custom software

4.1.1. Advantages -Gives significant competitive advantage

4.1.2. Disadvantages - Increased costs -Logic and development errors -Inadequate tests applications

4.2. End-user computing

4.2.1. The hands on development,use, and control of computer based info system by users