Computing SDD

Computing SDD

1. Software Development Process

   • 1. Analysis
     • to decide on the requirements
   • 2. Design
     • create a plan for the solution
   • 3. Implementation
     • carry out the plan
   • 4. Testing
     • to ensure the plan works
   • 5. Documentation
     • record the events
   • 6. Evaluation
     • judge the success of the process
   • 7. Maintenance
     • check it continues to do the job

2. Inputs, Outputs and Processes

   • Input
     • What information does the program require?
   • Output
     • What must the program achieve?
   • Process
     • What steps must be carried out to achieve this?

3. Datatypes

   • Real
     • Approx. Number
   • Integer
     • Sequence of Numbers
   • String
     • Sequence of Characters

4. Loops

   • Ppt Slide 72
   • Definition