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Functional Hierarchy

Functional Hierarchy

Product ReleaseEpi Info 7.2 (desktop version)
ParadigmFunctional Hierarchy
Document statusDRAFT
Document owner

Eric E. Snyder (Unlicensed)


Introduction

Purpose

Scope

Definitions, acronyms and abbreviations

References

Overview

Overall description

Product Perspective

Product functions

User Characteristics

Constraints

Assumptions and dependencies

Specific Requirements

External interface requirements

User interfaces

Hardware interfaces

Software interfaces

Communications interfaces

Functional requirements

Information flows

Data flow diagram 1

Data entities
Pertinent processes
Topology

Data flow diagram 2

Data entities
Pertinent processes
Topology

.

Data flow diagram n

Data entities
Pertinent processes
Topology

Process descriptions

Process 1

Input data entities
Algorithm or formula of process
Affected data entities

Process 2

Input data entities
Algorithm or formula of process
Affected data entities

.

Process m

Input data entities
Algorithm or formula of process
Affected data entities

Data construct specifications

Construct 1

Record type
Constituent fields

Construct 2

Record type
Constituent fields

.

Construct p

Record type
Constituent fields

Data dictionary

Data element 1

Name
Representation
Units/Format
Precision/Accuracy
Range

Data element 2

Name
Representation
Units/Format
Precision/Accuracy
Range

.

Data element q

Name
Representation
Units/Format
Precision/Accuracy
Range

Performance requirements

Design constraints

Software system attributes

Other requirement

Appendices

Index

 

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