Reasons for System Development

Reasons for System Development

1. Impact of Software Crisis

   • systems growing at faster pace than software development
   • more complex problems needed to be solved
   • struggled to keep pace with development
   • projects ran over budget, delivered late and software was inefficient
   • systems were low quality and did not meet the users needs
   • difficult to manage, codes were difficult to maintain with little or no documentations
   • large amount of time being spent on keeping older software functional
   • impacted maintenance of older established software

2. software types

   • bespoke software
     • custom software, specially developed for an organisation
   • Off-the-self software
     • built and delivered usually from a third party vendor. Can be purchased, leased or even licensed to the general public

3. Need for a new system

   • current system is out of date
   • competitor has developed a new system or process
   • new part of the company needs IT support

4. Feasibility

   • looks at how system can be improved or if it meets the needs and requirements of end-user
   • end result of this stage Is a feasibility report
   • answers a number of important questions
   • benefits of a new system

5. Main Factor affecting system development

6. User interface, processes and data

7. user interface

8. batch processing

9. real-time processing

10. roles of system development