Maintenance: most of the life of a program

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• 8 sections of explanation, worked examples and diagrams
• 1 practice task with hints and worked answers
• A quiz that marks itself as you go
• Your progress kept across every subject you take

Other lessons in this sub-strand

1. The program development cycle and algorithms
2. Pseudocode and flowcharts
3. The essence of the program development cycle
4. Problem definition: what must it do?
5. Program design: how will it work?
6. Coding: spelling the design in a language
7. Testing and debugging
8. Implementation: putting it into real use
9. Maintenance: most of the life of a program
10. Documentation: user and technical
11. Characteristics of a good algorithm
12. Sequence, selection and iteration
13. Dry runs and trace tables
14. Designing an algorithm for a real problem
15. From kiosk problem to maintained code