Software

Software Engineering

Notes

Table of Contents
INTRODUCTION 5

Definitions 5

Characteristics of a software Product 5

Components of software 6

Types of Software Product 6

History 6

Software Crisis:- 1965-1985 6

Software myths 7

The 4Ps of Software engineering 7

Software Development Life Cycle(SDLC) 8

Waterfall Model 8

Waterfall Strengths 9

Waterfall Deficiencies 9

When to use the Waterfall Model 10

Spiral SDLC Model 10

Spiral Model Strengths 11

Spiral Model Weaknesses 11

When to use Spiral Model 12

Prototype Model 12

Incremental model 14

Advantages of Incremental Model 15

Disadvantages Incremental Model 15

Rapid Application Development (RAD) 16

Advantages of RAD Model 16

Disadvantages of RAD Model 16

REQUIREMENTS ANALYSIS AND SPECIFICATION 17

Definitions 17

Types of Requirements 17

Requirements engineering 18

Requirement engineering Process 18

DESIGN PHASE 20

Architecture 20

Implementation Plan 21

Critical Priority Analysis 21

Performance Analysis 21

Test Plan 22

Modularity 23

SOFTWARE PROJECT MANAGEMENT 25

THE MANAGEMENT SPECTRUM 25

CHARACTERISCTIC OF AN EFFECTIVE PROJECT MANAGER 26

THE PROJECT 27

AVOIDING PROBLEMS SIGNED BY JEOPARDY 27

THE W5HH PRINCIPLE 29

Software Project Planning 30

Project Resources 30

Project Resources characteristics 31

Software Project Estimation 31

Categories of estimation techniques 31

Risk Management 32

Characteristics of Risks 32

Risk Management Process 32

Types of Risks 33

Risk Projection 33

Implementation phase 35

Critical Error Removal 35

Software testing 37

Black-box testing 40

White-box testing 40

Computer Aided Software Engineering 42

CASE: 42

Categories of CASE Tools: 43

How the Organization uses CASE tools: 43

Need of CASE tools: 44

Positioning of CASE tools in a Software