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Question 1

____ Software design encompasses the set of operational manuals that lead to the development of a high-quality system or product.

Answer 1

True

Question 2

____ Design is not concerned with software quality.

Answer 2

False

Question 3

____ A concern is always related to a maintenance architecture needed for delivery of the
developed code.

Answer 3

False

Question 4

____ The design should implement all of the explicit requirements contained in the analysis model,
and it must accommodate all of the implicit requirements desired by the customer.

Answer 4

True

Question 5

___________________ is the most common manifestation of separation of concerns.

Answer 5

Modularity

Question 6

___________________ is the process of changing a software system in such a way that it does not
alter the external behavior of the code [design] yet improves its internal structure.

Answer 6

Refactoring

Question 7

Each of the elements of the requirements model provides information that is necessary
to create the four design models required for a complete specification of design. What are those four
design models? Briefly describe each.

Answer 7

Data/Class design – transforms analysis classes into implementation classes and data
structures
Architectural design – defines relationships
among the major software structural elements
Interface design – defines how software
elements, hardware elements, and end-users
communicate
Component-level design – transforms
structural elements into procedural descriptions
of software components

Question 8

Discuss modularity in design. What is the right or best number of modules for a specific
design and what are the trade-offs for having more or less modules than the right or best number
for a specific design.

Answer 8

Modularity is compartmentalization of data and function in Design. In almost all instances, you should break the design into many modules, hoping to make
understanding easier and as a consequence, reduce the cost required to build the software.

Question 9

What is cohesion in design as related to Functional Independence?

Answer 9

Cohesion is an indication of the relative functional

strength of a module.

Question 10

What is coupling in design as related to Functional Independence?

Answer 10

Coupling is an indication of the relative interdependence

among modules.

Question 11

____ Architecture design is the process of determining the structure of each individual use case.

Answer 11

False

Question 12

____ Architecture “constitutes a relatively small, intellectually graspable mode of how the system is
structured and how its components work together”.

Answer 12

True

Question 13

Architecture is a representation that enables a software engineer to do what 3 things?

Answer 13

1) analyze the effectiveness of the design in
meeting its stated requirements,
2) consider architectural alternatives at a stage
when making design changes is still
relatively easy, and
3) reduce the risks associated with the
construction of the software.

Question 14

The software that is built for computer-based systems also exhibits one of many architectural styles.
Each style describes a system category that encompasses:
1. set of components
2. set of connectors
3. constraints
4. semantic models

Answer 14

1. that perform a function required by a system.
2. that enable “communication,
   coordination and cooperation” among components.
3. that define how components can be
   integrated to form the system.
4. that enable a designer to understand the overall properties of a system by analyzing the known properties of its constituent parts.

Question 15

NEED TO DO MORE CARDS ON THIS CH.13What are the 5 Architectural Styles (as described in A Brief Taxonomy Architectural Styles)? Label each
figure with the correct style:

Answer 15

1) Data-centered architectures
2) Data flow architectures
3) Call and return architectures
4) Object-oriented architectures
5) Layered architectures

Question 16

____ Component-level design only defines the data structures and algorithms allocated to each
software component.

Answer 16

False

Question 17

What is a component?

Answer 17

A modular, deployable, and replaceable part o a system that encapsulates implementation and exposes a set of interfaces.

Question 18

____ User interface design creates an effective communication medium between a robotic machine
and a computer

Answer 18

True

Question 19

As technologists studied human interaction, two dominant issues arose: What are the issues?

Answer 19

First, a set of golden rules were identified. These applied to all human
interaction with technology products.
Second, a set of interaction mechanisms were
defined to enable software designers to build
systems that properly implemented the golden
rules.

Question 20

What are the 3 Golden Rules for interface design? Give at least one example/application for each.

Answer 20

1) Place the user in control
2) Reduce the user’s memory load
3) Make the interface consistent

Question 21

The user interface analysis and design process encompass four distinct framework activities. What are
those four distinct framework activities?

Answer 21

1. User model — a profile of all end users of the system.
2. Design model — a design realization of the user model
3. Mental model (system perception) — the user’s mental image of what
   the interface is
4. Implementation model — the interface “look and feel” coupled with
   supporting information that describe interface syntax and semantics

Question 22

____ Pattern-based design creates a new application by finding a set of proven solutions to a clearly
delineated set of problems.

Answer 22

True

Question 23

____ A design pattern can be characterized as “a three-part rule which expresses a relation between
a certain context, a problem, and a solution”

Answer 23

True

Question 24

____ User interface design creates an effective communication medium between a human and a
computer.

Answer 24

True

Question 25

What are the three fundamental parts of the Model View Controller pattern. Briefly
explain each part.

Answer 25

1. Model - Data
2. View - An interface to view and modify the
   data
3. Controller - Operations that can be performed
   on the data

Question 26

What are two advantages of MVC?

Answer 26

1. Separation of concerns - The advantage of the MVC pattern is a
   clear separation of concerns.
2. Re-usability - Whereas controllers are often not reusable, view and
   model objects are easy to reuse.

Question 27

What are two disadvantages of MVC?

Answer 27

1. Complexity - The MVC pattern introduces new levels of indirection and
   therefore increases the complexity of the solution slightly.
2. Maintenance cost of frequent updates - One problem is that the user interface tends to change
   much more frequently than the data storage system.

Question 28

What are design considerations that are necessary for MobileApp design but are not
applicable to WebApp design? Include at least 2.

Answer 28

1) establishing the look and feel of the mobile
application,
2) creating the aesthetic layout of the user interface

Question 29

Web application quality:

Usability

Answer 29

• Global site understandability

- online feedback and help features

Question 30

Web application quality:

Functionality

Answer 30

• Searching and retrieving capability

- Navigation and browsing features

Question 31

Web application quality:

Reliability

Answer 31

• Correct link processing

- Error recovery

Question 32

Web application quality:

Efficiency

Answer 32

• Response time performance

- Page generation speed

Question 33

Web application quality:

Maintainability

Answer 33

• Ease of correction

- Adaptability