Software Requirement Definition

Question 1

the process of establishing the services that the customer requires from a system and the constraint under which it operates and is developed.

Answer 1

Requirement Engineering

Question 2

it may range from a high-level abstract statement of a service of a system constraint to a detailed mathematical functional specification.

Answer 2

Requirements

Question 3

4 TYPES OF REQUIREMENTS

Answer 3

1. Functional Requirements
2. Non-Functional Requirements
3. Domain Requirements
4. User Requirements
5. System Requirements

Question 4

statement of a service should provide how the system should react to particular inputs and how the system should behave in particular situations.

Answer 4

Functional Requirements

Question 5

constraints on the services or functions offered by the system such as timing constraints, constraints on the development process, standards, etc.

Answer 5

Non-Functional Requirements

Question 6

3 Non-Functional Classifications

Answer 6

o Product Requirements

o Organizational Requirements

o External Requirements

Question 7

requirements which specify the delivered product must behave in particular.

Answer 7

Product Requirements

Question 8

requirements which are a consequence of organizational policies and procedures.

Answer 8

Organizational Requirements

Question 9

requirements which arise from factors which are external to the system and its development process.

Answer 9

External Requirements

Question 10

requirements that come from the application domain of the system and that reflect characteristics of that domain.

Answer 10

Domain Requirements

Question 11

statements in natural language plus diagrams of the services the system provides.

Answer 11

User Requirements

Question 12

a structured document setting out detailed description of the systems function, services, and operational constraint.

Answer 12

System Requirements

Question 13

6 REQUIREMENTS MEASURE

Answer 13

1. Speed
2. Size
3. Ease of Use
4. Reliability
5. Robustness
6. Portability

Question 14

GUIDELINES FOR WRITING REQUIREMENTS (4)

Answer 14

1. Invent standard format and use it for all requirements
2. Use language in a consistent way
3. Use text highlighting to identify key parts of the requirement
4. Avoid use of computer jargon

Question 15

defines a generic structure for a requirements document that must be instantiated for each specific system.

Answer 15

IEEE Requirements Standard

Question 16

5 CONTENTS OF IEEE Requirements Standard

Answer 16

o Introduction
o General Description
o Specific Requirements
o Appendices
o Index.

Question 17

REQUIREMENTS DOCUMENT’S STRUCTURE

Answer 17

1. Preface
2. Introduction
3. Glossary
4. User Requirement Definition
5. System Architecture
6. System Requirement Specification
7. System Models
8. System Evolutions
9. Appendices
10. Index

Question 18

is a structures document setting out detailed description of the system services written as a contract between client and contractor.

Answer 18

Software Requirement Specification (SRS)

Question 19

7 IMPORTANT CHARACTERISTICS OF SOFTWARE REQUIREMENT SPECIFICATION (SRS)

Answer 19

1. Correct
2. Unambiguous
3. Complete
4. Consistent
5. Verifiable
6. Traceable
7. Modifiable