5. What is a primary advantage of prototyping?
A) It eliminates the need for testing
B) It allows for early user feedback
C) It guarantees project completion on time
D) It simplifies coding
[2 Marks]
Section C: Structured questions
(34 Marks]
1) Information systems come in various types and serve different purposes. What are the
seven types of information systems used in business?
[14 Marks]
2) Systems analysis and design can be complex, however using various modelling tool like
context diagrams can ease the understanding of how an information system operates.
What is the relationship between systems requirements and context diagrams?
[8 Marks]
3) Once an information system has been developed, there is a need to test. Describe three
main types of testing and the order in which they are performed.
s[9 Marks]
4) When dealing with information systems, there are instances where an information system
no longer supports the user needs or has it has become outmoded. Provide three
indicators that an information system needs to be retired.
(3 Marks]
3