2.2

Question 1

________ ________ is the process of understanding what services are ________ from the system and identifying the _________ on the system’s operation and development

Answer 1

Software specification, required, constraints

Question 2

Errors in the _______ ________ stage inevitably lead to later problems in the system design and implementation

Answer 2

requirements engineering

Question 3

Requirements are presented at 2 levels of details.

_______ and _______ need a high-level statement of the requirements. System developers need a _________ system spec

Answer 3

end-users, customers, specific

Question 4

What are the four main activities in requirements engineering?

Answer 4

Feasibility study, requirements elicitation and analysis, requirements specification, and requirements validation

Question 5

In a feasibility study, an estimate is made of whether the customer’s needs may be _______ using ______ software and hardware

Answer 5

satisfied, current

Question 6

During _________ ________ ___ ________, the system requirements are derived though observation of existing systems, discussion with potential users, task analysis, and so on

Answer 6

Requirements elicitation and analysis

Question 7

During requirements specification, all the data is…

Answer 7

translated into a document that defines a set of requirements

Question 8

Requirements validation check the requirements for _______, _______, and completeness

Answer 8

realism, consistency

Question 9

During _________, the system specification is converted into an executable system

Answer 9

implementation

Question 10

A software design is the …

Answer 10

description of the structure of the software to be implemented

Question 11

3 design inputs are …

Answer 11

platform information, requirements specification, and data description

Question 12

4 design activities are …

Answer 12

architectural design, interface design, component design, and database design

Question 13

4 design outputs are …

Answer 13

system architecture, database specification, interface specification, and component specification

Question 14

Architectural design is where you identify the overall ______ of the system, the ______ components, their ___________, and how they are distributed

Answer 14

structure, principal, relationships

Question 15

_______ design is the most important, as once this is done, a component can be used without other components having to know how it is implemented

Answer 15

interface

Question 16

Component design is taking each system component and designing how it will ______

Answer 16

operate

Question 17

_______ design is where you design the system data structures and how these are represented in a ______

Answer 17

database, database

Question 18

V & V stands for …

Answer 18

verification and validation

Question 19

Software V&V is used to show that a system ______ to its specifications and it meets the __________ of the customer

Answer 19

conforms, expectations

Question 20

The principal validation technique is executing the system using ________ data

Answer 20

simulated

Question 21

The 3 stages of testing are …

Answer 21

development, system, and acceptance testing

Question 22

Development testing is where the _______ of the system are tested by the people developing the system

Answer 22

components

Question 23

______ testing is the process of finding errors that result from unanticipated interactions between components when they are integrated

Answer 23

system

Question 24

Acceptance testing is the final stage where the system is…

Answer 24

tested with data supplied by the customer rather than fake data

Question 25

Normally, _______ development and testing processes are _______

Answer 25

component, interleaved

Question 26

Acceptance testing is sometimes called _______ testing

Answer 26

alpha

Question 27

____ testing is where the program is delivered to some real customers who provide feedback to the system developers

Answer 27

beta