PowerPoint Presentation for Dennis, Wixom & Tegarden Systems Analysis and Design Copyright 2001 © John Wiley & Sons, Inc. All rights reserved. Slide 1.

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PowerPoint Presentation for Dennis, Wixom & Tegarden Systems Analysis and Design Copyright 2001 © John Wiley & Sons, Inc. All rights reserved. Slide 1 Systems Analysis and Design Alan Dennis, Barbara Haley Wixom, and David Tegarden Chapter 14: Construction Copyright 2005 John Wiley & Sons, Inc.

PowerPoint Presentation for Dennis, Wixom & Tegarden Systems Analysis and Design Copyright 2001 © John Wiley & Sons, Inc. All rights reserved. Slide 2 Key Concepts ■ Be familiar with the system construction process. ■ Understand different types of tests and when to use ■ Understand how to develop documentation.

PowerPoint Presentation for Dennis, Wixom & Tegarden Systems Analysis and Design Copyright 2001 © John Wiley & Sons, Inc. All rights reserved. Slide 3 Managing Programming Assigning Programmers Coordinating Activities Managing the Schedule

PowerPoint Presentation for Dennis, Wixom & Tegarden Systems Analysis and Design Copyright 2001 © John Wiley & Sons, Inc. All rights reserved. Slide 4 Coordinating Activities Regular Project Meetings Follow standards File naming Forms to be completed Programming guidelines Coordinate traceability of implementation to requirements

PowerPoint Presentation for Dennis, Wixom & Tegarden Systems Analysis and Design Copyright 2001 © John Wiley & Sons, Inc. All rights reserved. Slide 5 Managing the Schedule Control scope creep Manage schedule slippage Create a risk assessment

PowerPoint Presentation for Dennis, Wixom & Tegarden Systems Analysis and Design Copyright 2001 © John Wiley & Sons, Inc. All rights reserved. Slide 6 Avoid Implementation Mistakes Research-oriented development Using low-cost personnel Lack of code control Inadequate testing

PowerPoint Presentation for Dennis, Wixom & Tegarden Systems Analysis and Design Copyright 2001 © John Wiley & Sons, Inc. All rights reserved. Slide 7 Designing Tests Unit tests Integration tests System tests Acceptance tests

PowerPoint Presentation for Dennis, Wixom & Tegarden Systems Analysis and Design Copyright 2001 © John Wiley & Sons, Inc. All rights reserved. Slide 8 Unit or Class Tests Focus on a single unit – the class Develop tests for each contract of a class Test for initial conditions Possibly test for random inputs For programs sample test data will have to be created

PowerPoint Presentation for Dennis, Wixom & Tegarden Systems Analysis and Design Copyright 2001 © John Wiley & Sons, Inc. All rights reserved. Slide 9 Integration Tests How a set of classes work together Classes pass unit tests first Interface testing Use-Case Testing Interaction Testing System Interface Testing

PowerPoint Presentation for Dennis, Wixom & Tegarden Systems Analysis and Design Copyright 2001 © John Wiley & Sons, Inc. All rights reserved. Slide 10 System Testing Requirements Usability Security Performance Documenation

PowerPoint Presentation for Dennis, Wixom & Tegarden Systems Analysis and Design Copyright 2001 © John Wiley & Sons, Inc. All rights reserved. Slide 11 Acceptance Testing Alpha Conducted by users to ensure they accept the system Beta Users use real data, not test data

PowerPoint Presentation for Dennis, Wixom & Tegarden Systems Analysis and Design Copyright 2001 © John Wiley & Sons, Inc. All rights reserved. Slide 12 Developing Documentation System Documentation Produced by systems analysis and design process Automate documentation for classes and methods User Documentation User Manuals Training Manuals Online Help Systems

PowerPoint Presentation for Dennis, Wixom & Tegarden Systems Analysis and Design Copyright 2001 © John Wiley & Sons, Inc. All rights reserved. Slide 13 Online Documentation Strengths Facilitates searching Same information can be presented in different formats Provide interaction with users using links or “tool-tips” Less expensive to distribute

PowerPoint Presentation for Dennis, Wixom & Tegarden Systems Analysis and Design Copyright 2001 © John Wiley & Sons, Inc. All rights reserved. Slide 14 Designing Documentation Structure Table of Contents Navigation Controls lead user to Documentation topics How to perform certain tasks Definitions of important terms

PowerPoint Presentation for Dennis, Wixom & Tegarden Systems Analysis and Design Copyright 2001 © John Wiley & Sons, Inc. All rights reserved. Slide 15 Online Documentation Example

PowerPoint Presentation for Dennis, Wixom & Tegarden Systems Analysis and Design Copyright 2001 © John Wiley & Sons, Inc. All rights reserved. Slide 16 Documentation Writing Use Active Voice E-prime Style Consistent terms Simple language Friendly language Parallel grammatical structures Correct use of steps Short paragraphs

PowerPoint Presentation for Dennis, Wixom & Tegarden Systems Analysis and Design Copyright 2001 © John Wiley & Sons, Inc. All rights reserved. Slide 17 Develop User Documentation Reference Documents for web interface and system management components Help topics Documentation Component Table of Contents Index Find or search Links to definitions

PowerPoint Presentation for Dennis, Wixom & Tegarden Systems Analysis and Design Copyright 2001 © John Wiley & Sons, Inc. All rights reserved. Slide 18 Summary Assign programmers and coordinate their activities Plan for the testing of all aspects of the application Write the documentation for both the systems side and the user aspect