3.5-1 Maintenance

Question 1

Types of Maintenance

Answer 1

1. Hotfix
   small changes, specific problem
2. Patch
   minor change/enhancement that was overlooked in the original design
3. Update
   set of patches; functional issues
4. Upgrade
   significant change, adds new features
5. New Version
   major change

Question 2

(5) Steps to Systems Maintenance

Answer 2

1. Define & Validate the problems
2. Benchmark the programs
3. Understand the app/program
4. Edit & Test
5. Update the documentation

Question 3

(7) Principles of Re-Engineering

Answer 3

1. Organize around outcomes, not tasks
2. Have those who use the output perform the process
3. Subsume info processing work into the real work that produces the info
4. Treat geographically dispersed resources as if they were centralized
5. Link parallel activities rather than integrate them
6. Put the decision point where the work is performed, and build control into the process
7. Capture information once, at the source