03 UML Design Examples

Question 1

software components need to have

Answer 1

1. clearly defined responsibilities
2. not be affected by changes in other components
3. can hide with api

Question 2

types on components

Answer 2

general purpose

application specific

Question 3

levels of reuse

Answer 3

1. system
2. application
3. component
4. object and function

Question 4

benefits of software reuse

Answer 4

1. increased reliability
2. reduced process risk
3. effective use of specialists
4. standard compliance
5. accelerated deployment

Question 5

problems of software reuse

Answer 5

1. lack of tool support
2. increased maintenance cost
3. creating and maintaining library
4. understanding and adapting reusable components
5. not-invented-here syndrome

Question 6

what is CBSE

Answer 6

component based software engineering

1. approach to software development
2. relies on software reuse

Question 7

software reuse process

Answer 7

architecture design
specify components
search reusable components
incorporate components

Question 8

CBSE problems

Answer 8

1. component incompatibility
2. finding and understanding component
3. difficult to change software components if requirements change