Topic 1 (1.1.1-1.1.7) - Checkpoints (Aug) [not IMP]

Question 1

Waterfall model

Answer 1

The “old” SDLC, where instead of having the freedom to go back and fourth, you could only go up-down (like a waterfall)

Question 2

Aim of Stage 1 of SDLC (Analysis)

Answer 2

To study the current system, organisation and problems

+

determine what changes are needed for their roles

+

focus on the current and not the future

Question 3

Reasons for change and problems associated with change

Answer 3

• Old system is inefficient or outdated
• To increase productivity and output
• To increase efficiency and reduce long term costs

1. Losing the efficiency and reliability of the old system
2. Initial cost/Investment
3. Employee apprehension
4. Incompatibility
5. Differences in CULTURE and CONTEXT

Question 4

What can updating/transitioning a system need

Answer 4

• Training
• Hardware changes
• Firing and Hiring employees

Question 5

What are the 4 Principles of Change?

Answer 5

1. Understand Change (SDLC - 1)
   - Why do you need it?
   - What are you objectives?
   - What will the benefits be to you?
   - How will it have a positive impact?
   - What will people need to do to make it successful?
2. Plan Change
   - Feasibility Study
   - Arrange for sponsors, agents, support, etc.
   - SRS maybe
3. Implement Change
   - The Kotter’s 8-step Model (Direct changeover)
   - The Change curve (close to Phased)
   - or any other strategy
4. Communicate Change
   - Communicate the ADKAR
   (awareness, desire, knowledge, ability and reinforcement)

Question 6

Information Systems

Answer 6

Anything that can store, receive, organise and mange information

e.g. enterprise resource planning software for booking, etc.