Unit 3

Question 1

Design models types

Answer 1

1. Component level design
2. Interface design
3. Architecture design
4. Data design

Question 2

Quality attributes

Answer 2

FURPS
Functionality
Usability
Reliability
Performance
Supportability

Question 3

Quality guidelines

Answer 3

Design should be
1. Modular, logically partitioning software.
2. Result in appropriate data structures.
3. Derive designs using a repeatable model based on requirement analysis.
4. Represent design using motions that effectively communicate its meanings.
5. Include distinct representations of Data architecture and components.

Question 4

Design concepts

Answer 4

1. Abstruction
2. Architecture
3. Patterns
   -pattern based sw design
4. Seperation of concerns.
5. Modularity
6. Info hiding
7. Functional independence
8. Refinement