Design and Implementation

Question 1

True or False. Software design and Implementation are inter-leaved activities?

Answer 1

True, The level of detail in the design depends on the type of system used and what approach is used

Question 2

Name 4 activities included in Object-oriented design processes?

Answer 2

• Design System Architecture
• Identify Objects in System
• Describe design using different object models
• Document Component Interfaces

Question 3

Name 3 different Static models that may be produced during object-oriented design process

Answer 3

• Class Models
• Generalization Models
• Association Models

Question 4

Name 2 different Dynamic models that may be produced during object-oriented design process

Answer 4

• Sequence Models
• State Machine Models

Question 5

Why must Component Interfaces be defined?

Answer 5

So objects are able to use them

Question 6

True or False, You should never reuse existing software when developing software

Answer 6

False, You should always consider reusing existing software wherever appropriate as it saves time

Question 7

What is Configuration Management?

Answer 7

Process of managing changes to an evolving software system

Question 8

What is host-target development?

Answer 8

Software system is developed on a host machine (computer) but executed on a target machine (users computer)

Question 9

What is an Integrated Development Environment (IDE)?

Answer 9

An IDE is a software application that has development tools to allow for easy development. These Tools include Testing Tools and Compilers

Question 10

What is Open-source Development?

Answer 10

Making the source code of a system open to the public so they can propose and make improvements to the system

Question 11

True or False, Design is a creative activity where software components and their relationship are identified

Answer 11

True

Question 12

What is the purpose of system context models?

Answer 12

To show the relationships between the software and its external environment, helping define system boundaries

Question 13

What are the 4 levels of reuse?

Answer 13

Abstraction Level - Reusing ideas
Object Level - Reusing objects from library
Component Level - Reusing Components
System Level - Reusing entire application system

Question 14

List the costs of reuse

Answer 14

Time spent finding applicable software
Purchasing Software
Integrating reusable components
Adapting components to fit requirements

Question 15

Key activities in Configuration Management

Answer 15

Version Management, System integration and Problem tracking

Question 16

List pros of open-source development

Answer 16

Cheaper and faster development, Creates a community of users and contributors