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Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall
Project Management
Systems Analysis and Design, 8e
Kendall & Kendall
3
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-2
Learning Objectives
• Understand how projects are initiated and selected, define a
business problem, and determine the feasibility of a proposed
project.
• Inventory and appraise current and proposed hardware and
software and the way it supports human interactions with
technology.
• Evaluate software by addressing the tradeoffs among creating
custom software, purchasing COTS software, and outsourcing
to an application service provider.
• Forecast and analyze tangible and intangible costs and benefits.
• Plan a project by identifying activities and scheduling them.
• Manage team members and analysis and design activities so
that the project objectives are met while the project remains on
schedule.
• Professionally write and present an effective systems proposal,
concentrating on both content and design.
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-3
Project Management
Fundamentals
• Project initiation
• Determining project feasibility
• Activity planning and control
• Project scheduling
• Managing systems analysis team
members
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-4
Major Topics
• Project initiation
• Determining feasibility
• Determining resources
• Activity planning and control
• Gantt charts
• PERT diagrams
• Managing analysis and design activities
• The agile approach
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-5
Project Initiation
• Problems in the organization
• Problems that lend themselves to systems
solutions
• Opportunities for improvement
• Caused through upgrading, altering, or
installing new systems
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-6
Checking Output, Observing Employee Behavior, and
Listening to Feedback Are all Ways to Help the Analyst
Pinpoint Systems Problems and Opportunities (Figure 3.1)
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-7
Problem Definition
• Problem statement
• Paragraph or two stating the problem or opportunity
• Issues
• Independent pieces pertaining to the problem or opportunity
• Objectives
• Goals that match the issues point-by-point
• Requirements
• The things that must be accomplished along with the
possible solutions, and constraints, that limit the
development of the system
• Use the problem definition to create a preliminary test
plan.
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-8
Problem Definition Steps
• Find a number of points that may be
included in one issue.
• State the objective.
• Determine the relative importance of the
issues or objectives.
• Identify which objectives are most
critical.
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-9
Selection Of Projects
• Backing from management
• Appropriate timing of project commitment
• Possibility of improving attainment of
organizational goals
• Practical in terms of resources for the system
analyst and organization
• Worthwhile project compared with other ways
the organization could invest resources
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-10
Selection of Projects: Improving
Attainment of Organizational Goals
• Improving corporate profits
• Supporting the competitive strategy of the
organization
• Improving cooperation with vendors and
partners
• Improving internal operations support
• Improving internal decision support so that
decisions are more effective
• Improving customer service
• Increasing employee morale
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-11
Defining Objectives
Many possible objectives exist including:
• Speeding up a process
• Streamlining a process
• Combining processes
• Reducing errors in input
• Reducing redundant storage
• Reducing redundant output
• Improving system and subsystem integration
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-12
Determining Feasibility
• Defining objectives
• Determining resources
• Operationally
• Technically
• Economically
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-13
The Three Key Elements of Feasibility Include
Technical, Economic, and Operational
Feasibility (Figure 3.3)
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-14
Technical Feasibility
• Can current technical resources be
upgraded or added to in a manner that
fulfills the request under consideration?
• If not, is there technology in existence
that meets the specifications?
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-15
Economic Feasibility
• Economic feasibility determines whether
value of the investment exceeds the time and
cost.
• Includes:
• Analyst and analyst team time
• Business employee time
• Hardware
• Software
• Software development
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-16
Operational Feasibility
• Operational feasibility determines if the
human resources are available to
operate the system once it has been
installed.
• Users that do not want a new system
may prevent it from becoming
operationally feasible.
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-17
Ascertaining Hardware and
Software Needs
• Steps used to determine hardware and
software needs:
• Inventory computer hardware currently
available
• Estimate current and future system
workloads
• Evaluate available hardware and software
• Choose the vendor
• Acquire the computer equipment
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-18
Steps in Choosing Hardware and
Software (Figure 3.4)
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-19
Inventorying Computer Hardware
• Type of equipment
• Operation status of the equipment
• Estimated age of equipment
• Projected life of equipment
• Physical location of equipment
• Department or person responsible for
equipment
• Financial arrangement for equipment
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-20
Estimating Workloads
• Systems analysts formulate numbers
that represent both current and
projected workloads for the system so
that any hardware obtained will possess
the capability to handle current and
future workloads.
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-21
Comparisons of Workloads between
Existing and Proposed Systems (Figure
3.5 )
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-22
Evaluating Hardware
• Time required for average transactions
• Total volume capacity of the system
• Idle time of the CPU or network
• Size of memory provided
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-23
People that Evaluate
Hardware
• Management
• Users
• Systems analysts
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-24
Acquisition of Computer
Equipment
• Purchasing
• Leasing
• Rental
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-25
Purchasing, Leasing, and Renting Advantages
and Disadvantages (Figure 3.6)
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-26
Evaluating Vendor Support
• Hardware support
• Software support
• Installation and training support
• Maintenance support
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-27
Evaluating Vendor Support
(Figure 3.8)
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-28
Other Considerations
• Possibility of adding on to the system
• Interfacing with equipment from other
vendors
• Adding more memory
• Corporate stability of the vendor
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-29
Software Alternatives
• Created custom software
• Purchased as COTS (commercial off-
the-shelf) software
• Provided by an application service
provider (ASP)
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-30
Software Alternatives (Figure 3.9)
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-31
Software Evaluation
• Performance effectiveness
• Performance efficiency
• Ease of use
• Flexibility
• Quality of documentation
• Manufacturer support
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-32
Guidelines for Evaluating Software
(Figure 3.10)
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-33
Activity Planning and Control
• Planning includes:
• Selecting a systems analysis team
• Estimating time required to complete each task
• Scheduling the project
• Control includes:
• Comparing the plan for the project with its actual
evolution
• Taking appropriate action to expedite or
reschedule activities
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-34
Identifying and Forecasting
Costs and Benefits
• Judgment methods
• Estimates from the sales force
• Surveys to estimate customer demand
• Delphi studies
• Creating scenarios
• Drawing historical analogies
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-35
Identifying and Forecasting Costs
and Benefits (Continued)
• If historical data are available
• Conditional:
• There is an association among variables in the
model.
• Unconditional:
• Do not need to find or identify any relationships.
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-36
Estimation of Trends
• Graphical judgment
• Moving averages
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-37
Identifying Benefits and Costs
• Tangible benefits are advantages measurable
in dollars through the use of the information
system.
• Intangible benefits are difficult to measure.
• Tangible costs are accurately projected by
the systems analyst and accounting
personnel.
• Intangible costs are difficult to estimate and
may not be known.
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-38
Tangible Benefits
• Advantages measurable in dollars that accrue
to the organization through the use of the
information system
• Examples:
• Increase in the speed of processing
• Access to otherwise inaccessible information
• Access to information on a more timely basis
• The advantage of the computer’s superior
calculating power
• Decreases in the amount of employee time
needed to complete specific tasks
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-39
Intangible Benefits
• Intangible benefits are benefits from use of
the information system that are difficult to
measure.
• Examples:
• Improving the decision-making process
• Enhancing accuracy
• Becoming more competitive in customer service
• Maintaining a good business image
• Increasing job satisfaction
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-40
Tangible Costs
• Those that can be accurately projected by
systems analysts and the business’
accounting personnel
• Examples:
• Cost of equipment
• Cost of resources
• Cost of systems analysts’ time
• Cost of programmers’ time
• Employees’ salaries
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-41
Intangible Costs
• Those that are difficult to estimate and
may not be known
• Examples:
• Losing a competitive edge
• Losing the reputation of being first
• Declining company image
• Ineffective decision making
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-42
Comparing Costs and Benefits
• Break-even analysis
• Payback
• Cash-flow analysis
• Present value analysis
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-43
Break-Even Analysis
• The point at which the total cost of the current
system and the proposed system intersect
• Useful when a business is growing and
volume is a key variable in costs
• Disadvantage:
• Benefits are assumed to remain the same
• Advantage:
• Can determine how long it will take for the benefits
of the system to pay back the costs of developing
it
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-44
Break-Even Analysis (Figure
3.11)
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-45
Break-Even Analysis Showing a Payback Period
of Three and a Half Years (Figure 3.12)
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-46
Cash-Flow Analysis
• Examines the direction, size, and
pattern of cash flow that is associated
with the proposed information system
• Determines when cash outlays and
revenues will occur for both; not only for
the initial purchase, but over the life of
the information system
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-47
Cash-Flow Analysis for the Computerized
Mail-Addressing System (Figure 3.13)
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-48
Present Value Analysis
• Way to assess all the economic outlays
and revenues of the information system
over its economic life, and to compare
costs today with future costs and
today’s benefits with future benefits
• Presents the time value of the
investment in the information system as
well as the cash flow
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-49
Present Value Analysis (Figure
3.15)
• Taking into account present value, the conclusion is
that the costs are greater than the benefits.
• The discount rate, i, is assumed to be .12 in
calculating the multipliers in this table.
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-50
Guidelines for Analysis
• Use break-even analysis if the project needs to be
justified in terms of cost, not benefits.
• Use payback when the improved tangible benefits
form a convincing argument for the proposed
system.
• Use cash-flow analysis when the project is
expensive, relative to the size of the company.
• Use present value when the payback period is
long or when the cost of borrowing money is high.
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-51
Estimating Time
• Project is broken down into phases.
• Further project is broken down into tasks or
activities.
• Finally project is broken down into steps or
even smaller units.
• Time is estimated for each task or activity.
• Most likely, pessimistic and optimistic
estimates for time may be used.
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-52
Beginning to Plan a Project by Breaking it
into Three Major Activities (Figure 3.16)
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-53
Refining the Planning and Scheduling of Analysis
Activities by Adding Detailed Tasks and Establishing the
Time Required to Complete the Tasks (Figure 3.17)
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-54
Project Scheduling
• Gantt Charts
• Simple
• Lends itself to end user communication
• Drawn to scale
• PERT diagrams
• Useful when activities can be done in
parallel
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-55
Using a Two-Dimensional Gantt Chart for
Planning Activities that Can Be Accomplished in
Parallel (Figure 3.18)
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-56
A Completed PERT Diagram for the Analysis
Phase of a Systems Project (Figure 3.22)
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-57
PERT Diagram Advantages
• Easy identification of the order of
precedence
• Easy identification of the critical path
and thus critical activities
• Easy determination of slack time
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-58
Project Due Dates
• Estimating models
• Costar
• Construx
• Function point analysis
• Helps the analyst quantitatively estimate
the overall length of software development
efforts
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-59
Managing Analysis and Design
Activities
• Team management
• Assembling a team
• Team communication strategies
• Project productivity goals
• Team member motivation
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-60
Assembling a Team
• Shared value of team work
• Good work ethic
• Honesty
• Competency
• Readiness to take on leadership based on
expertise
• Motivation
• Enthusiasm for the project
• Trust of teammates
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-61
Communication Strategies
• Teams often have two leaders:
• Task leader: leads members to accomplish tasks
• Socioemotional leader: concerned with social
relationships
• The systems analyst must manage:
• Team members
• Their activities
• Their time and resources
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-62
Project Productivity Goals and
Motivation
• Successful projects require that
reasonable productivity goals for
tangible outputs and process activities
be set.
• Goal-setting helps to motivate team
members.
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-63
Ecommerce Project
Management
Ecommerce and traditional software
project management differences:
• The data used by ecommerce systems is
scattered across the organization.
• Ecommerce systems need a staff with a
wide variety of skills.
• Partnerships must be built externally and
internally well ahead of implementation.
• Security is of utmost importance.
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-64
Project Charter
• Describes in a written document what the
expected results of the systems project are
and the time frame for delivery
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-65
Project Charter Clarifies these
Questions
• What does the user expect of the project?
• What is the scope of the project?
• What analysis methods will the analyst use to interact
with users?
• Who are the key participants?
• What are the project deliverables?
• Who will evaluate the system and how will they
evaluate it?
• What is the estimated project timeline?
• Who will train the users?
• Who will maintain the system?
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-66
Project Failures
• Project failures may be prevented by:
• Training
• Experience
• Learning why other projects have failed
• Fishbone diagram systematically lists all
of the possible problems that can occur
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-67
Fishbone Diagram (Figure 3.23)
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-68
The Systems Proposal
• Cover letter
• Title page of project
• Table of contents
• Executive summary
• Outline of systems study with appropriate
documentation
• Detailed results of the systems study
• Systems alternatives
• Systems analysts recommendations
• Summary
• Appendices
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-69
Using Figures for Effective
Communication
• Effective use of tables
• Effective use of graphs
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-70
Effective Use of Tables
• Integrate into the body of the proposal
• Try to fit the entire table vertically on a single
page.
• Number and title the table at the top of the
page.
• Label each row and column.
• Use a boxed table if room permits.
• Use footnotes if necessary to explain detailed
information contained in the table.
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-71
Effective Use of Graphs
• Choose a style of graph that communicates
your intended meaning well.
• Integrate the graph into the body of the
proposal.
• Give the graph a sequential figure number
and a meaningful title.
• Label each axis, and any lines, columns,
bars, or pieces of the pie on the graph.
• Include a key to indicate differently colored
lines, shaded bars, or crosshatched areas.
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-72
Summary
• Project management fundamentals
• Project initiation
• Determining project feasibility
• Activity planning and control
• Project scheduling
• Managing systems analysis team members
• Problem definition
• Issues of the present system
• The objective for each issue
• The requirements that must be included in all
proposed systems
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-73
Summary (Continued)
• Project selection
• Backed by management
• Commitment of resources
• Attains goals
• Practical
• Important
• Feasibility
• Operational
• Technical
• Economic
Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-74
Summary (Continued)
• Acquiring hardware and software
• Project planning
• Gantt charts
• PERT
• Function point analysis
• Team management
• Ecommerce projects
• Preparing a system proposal
Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-75
All rights reserved. No part of this publication may be reproduced, stored in a
retrieval system, or transmitted, in any form or by any means, electronic,
mechanical, photocopying, recording, or otherwise, without the prior written
permission of the publisher. Printed in the United States of America.
Copyright © 2011 Pearson Education, Inc.  Copyright © 2011 Pearson Education, Inc.  
Publishing as Prentice HallPublishing as Prentice Hall

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Kendall sad8e ch03

  • 1. Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall Project Management Systems Analysis and Design, 8e Kendall & Kendall 3
  • 2. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-2 Learning Objectives • Understand how projects are initiated and selected, define a business problem, and determine the feasibility of a proposed project. • Inventory and appraise current and proposed hardware and software and the way it supports human interactions with technology. • Evaluate software by addressing the tradeoffs among creating custom software, purchasing COTS software, and outsourcing to an application service provider. • Forecast and analyze tangible and intangible costs and benefits. • Plan a project by identifying activities and scheduling them. • Manage team members and analysis and design activities so that the project objectives are met while the project remains on schedule. • Professionally write and present an effective systems proposal, concentrating on both content and design.
  • 3. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-3 Project Management Fundamentals • Project initiation • Determining project feasibility • Activity planning and control • Project scheduling • Managing systems analysis team members
  • 4. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-4 Major Topics • Project initiation • Determining feasibility • Determining resources • Activity planning and control • Gantt charts • PERT diagrams • Managing analysis and design activities • The agile approach
  • 5. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-5 Project Initiation • Problems in the organization • Problems that lend themselves to systems solutions • Opportunities for improvement • Caused through upgrading, altering, or installing new systems
  • 6. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-6 Checking Output, Observing Employee Behavior, and Listening to Feedback Are all Ways to Help the Analyst Pinpoint Systems Problems and Opportunities (Figure 3.1)
  • 7. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-7 Problem Definition • Problem statement • Paragraph or two stating the problem or opportunity • Issues • Independent pieces pertaining to the problem or opportunity • Objectives • Goals that match the issues point-by-point • Requirements • The things that must be accomplished along with the possible solutions, and constraints, that limit the development of the system • Use the problem definition to create a preliminary test plan.
  • 8. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-8 Problem Definition Steps • Find a number of points that may be included in one issue. • State the objective. • Determine the relative importance of the issues or objectives. • Identify which objectives are most critical.
  • 9. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-9 Selection Of Projects • Backing from management • Appropriate timing of project commitment • Possibility of improving attainment of organizational goals • Practical in terms of resources for the system analyst and organization • Worthwhile project compared with other ways the organization could invest resources
  • 10. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-10 Selection of Projects: Improving Attainment of Organizational Goals • Improving corporate profits • Supporting the competitive strategy of the organization • Improving cooperation with vendors and partners • Improving internal operations support • Improving internal decision support so that decisions are more effective • Improving customer service • Increasing employee morale
  • 11. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-11 Defining Objectives Many possible objectives exist including: • Speeding up a process • Streamlining a process • Combining processes • Reducing errors in input • Reducing redundant storage • Reducing redundant output • Improving system and subsystem integration
  • 12. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-12 Determining Feasibility • Defining objectives • Determining resources • Operationally • Technically • Economically
  • 13. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-13 The Three Key Elements of Feasibility Include Technical, Economic, and Operational Feasibility (Figure 3.3)
  • 14. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-14 Technical Feasibility • Can current technical resources be upgraded or added to in a manner that fulfills the request under consideration? • If not, is there technology in existence that meets the specifications?
  • 15. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-15 Economic Feasibility • Economic feasibility determines whether value of the investment exceeds the time and cost. • Includes: • Analyst and analyst team time • Business employee time • Hardware • Software • Software development
  • 16. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-16 Operational Feasibility • Operational feasibility determines if the human resources are available to operate the system once it has been installed. • Users that do not want a new system may prevent it from becoming operationally feasible.
  • 17. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-17 Ascertaining Hardware and Software Needs • Steps used to determine hardware and software needs: • Inventory computer hardware currently available • Estimate current and future system workloads • Evaluate available hardware and software • Choose the vendor • Acquire the computer equipment
  • 18. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-18 Steps in Choosing Hardware and Software (Figure 3.4)
  • 19. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-19 Inventorying Computer Hardware • Type of equipment • Operation status of the equipment • Estimated age of equipment • Projected life of equipment • Physical location of equipment • Department or person responsible for equipment • Financial arrangement for equipment
  • 20. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-20 Estimating Workloads • Systems analysts formulate numbers that represent both current and projected workloads for the system so that any hardware obtained will possess the capability to handle current and future workloads.
  • 21. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-21 Comparisons of Workloads between Existing and Proposed Systems (Figure 3.5 )
  • 22. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-22 Evaluating Hardware • Time required for average transactions • Total volume capacity of the system • Idle time of the CPU or network • Size of memory provided
  • 23. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-23 People that Evaluate Hardware • Management • Users • Systems analysts
  • 24. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-24 Acquisition of Computer Equipment • Purchasing • Leasing • Rental
  • 25. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-25 Purchasing, Leasing, and Renting Advantages and Disadvantages (Figure 3.6)
  • 26. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-26 Evaluating Vendor Support • Hardware support • Software support • Installation and training support • Maintenance support
  • 27. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-27 Evaluating Vendor Support (Figure 3.8)
  • 28. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-28 Other Considerations • Possibility of adding on to the system • Interfacing with equipment from other vendors • Adding more memory • Corporate stability of the vendor
  • 29. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-29 Software Alternatives • Created custom software • Purchased as COTS (commercial off- the-shelf) software • Provided by an application service provider (ASP)
  • 30. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-30 Software Alternatives (Figure 3.9)
  • 31. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-31 Software Evaluation • Performance effectiveness • Performance efficiency • Ease of use • Flexibility • Quality of documentation • Manufacturer support
  • 32. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-32 Guidelines for Evaluating Software (Figure 3.10)
  • 33. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-33 Activity Planning and Control • Planning includes: • Selecting a systems analysis team • Estimating time required to complete each task • Scheduling the project • Control includes: • Comparing the plan for the project with its actual evolution • Taking appropriate action to expedite or reschedule activities
  • 34. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-34 Identifying and Forecasting Costs and Benefits • Judgment methods • Estimates from the sales force • Surveys to estimate customer demand • Delphi studies • Creating scenarios • Drawing historical analogies
  • 35. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-35 Identifying and Forecasting Costs and Benefits (Continued) • If historical data are available • Conditional: • There is an association among variables in the model. • Unconditional: • Do not need to find or identify any relationships.
  • 36. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-36 Estimation of Trends • Graphical judgment • Moving averages
  • 37. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-37 Identifying Benefits and Costs • Tangible benefits are advantages measurable in dollars through the use of the information system. • Intangible benefits are difficult to measure. • Tangible costs are accurately projected by the systems analyst and accounting personnel. • Intangible costs are difficult to estimate and may not be known.
  • 38. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-38 Tangible Benefits • Advantages measurable in dollars that accrue to the organization through the use of the information system • Examples: • Increase in the speed of processing • Access to otherwise inaccessible information • Access to information on a more timely basis • The advantage of the computer’s superior calculating power • Decreases in the amount of employee time needed to complete specific tasks
  • 39. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-39 Intangible Benefits • Intangible benefits are benefits from use of the information system that are difficult to measure. • Examples: • Improving the decision-making process • Enhancing accuracy • Becoming more competitive in customer service • Maintaining a good business image • Increasing job satisfaction
  • 40. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-40 Tangible Costs • Those that can be accurately projected by systems analysts and the business’ accounting personnel • Examples: • Cost of equipment • Cost of resources • Cost of systems analysts’ time • Cost of programmers’ time • Employees’ salaries
  • 41. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-41 Intangible Costs • Those that are difficult to estimate and may not be known • Examples: • Losing a competitive edge • Losing the reputation of being first • Declining company image • Ineffective decision making
  • 42. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-42 Comparing Costs and Benefits • Break-even analysis • Payback • Cash-flow analysis • Present value analysis
  • 43. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-43 Break-Even Analysis • The point at which the total cost of the current system and the proposed system intersect • Useful when a business is growing and volume is a key variable in costs • Disadvantage: • Benefits are assumed to remain the same • Advantage: • Can determine how long it will take for the benefits of the system to pay back the costs of developing it
  • 44. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-44 Break-Even Analysis (Figure 3.11)
  • 45. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-45 Break-Even Analysis Showing a Payback Period of Three and a Half Years (Figure 3.12)
  • 46. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-46 Cash-Flow Analysis • Examines the direction, size, and pattern of cash flow that is associated with the proposed information system • Determines when cash outlays and revenues will occur for both; not only for the initial purchase, but over the life of the information system
  • 47. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-47 Cash-Flow Analysis for the Computerized Mail-Addressing System (Figure 3.13)
  • 48. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-48 Present Value Analysis • Way to assess all the economic outlays and revenues of the information system over its economic life, and to compare costs today with future costs and today’s benefits with future benefits • Presents the time value of the investment in the information system as well as the cash flow
  • 49. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-49 Present Value Analysis (Figure 3.15) • Taking into account present value, the conclusion is that the costs are greater than the benefits. • The discount rate, i, is assumed to be .12 in calculating the multipliers in this table.
  • 50. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-50 Guidelines for Analysis • Use break-even analysis if the project needs to be justified in terms of cost, not benefits. • Use payback when the improved tangible benefits form a convincing argument for the proposed system. • Use cash-flow analysis when the project is expensive, relative to the size of the company. • Use present value when the payback period is long or when the cost of borrowing money is high.
  • 51. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-51 Estimating Time • Project is broken down into phases. • Further project is broken down into tasks or activities. • Finally project is broken down into steps or even smaller units. • Time is estimated for each task or activity. • Most likely, pessimistic and optimistic estimates for time may be used.
  • 52. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-52 Beginning to Plan a Project by Breaking it into Three Major Activities (Figure 3.16)
  • 53. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-53 Refining the Planning and Scheduling of Analysis Activities by Adding Detailed Tasks and Establishing the Time Required to Complete the Tasks (Figure 3.17)
  • 54. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-54 Project Scheduling • Gantt Charts • Simple • Lends itself to end user communication • Drawn to scale • PERT diagrams • Useful when activities can be done in parallel
  • 55. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-55 Using a Two-Dimensional Gantt Chart for Planning Activities that Can Be Accomplished in Parallel (Figure 3.18)
  • 56. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-56 A Completed PERT Diagram for the Analysis Phase of a Systems Project (Figure 3.22)
  • 57. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-57 PERT Diagram Advantages • Easy identification of the order of precedence • Easy identification of the critical path and thus critical activities • Easy determination of slack time
  • 58. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-58 Project Due Dates • Estimating models • Costar • Construx • Function point analysis • Helps the analyst quantitatively estimate the overall length of software development efforts
  • 59. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-59 Managing Analysis and Design Activities • Team management • Assembling a team • Team communication strategies • Project productivity goals • Team member motivation
  • 60. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-60 Assembling a Team • Shared value of team work • Good work ethic • Honesty • Competency • Readiness to take on leadership based on expertise • Motivation • Enthusiasm for the project • Trust of teammates
  • 61. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-61 Communication Strategies • Teams often have two leaders: • Task leader: leads members to accomplish tasks • Socioemotional leader: concerned with social relationships • The systems analyst must manage: • Team members • Their activities • Their time and resources
  • 62. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-62 Project Productivity Goals and Motivation • Successful projects require that reasonable productivity goals for tangible outputs and process activities be set. • Goal-setting helps to motivate team members.
  • 63. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-63 Ecommerce Project Management Ecommerce and traditional software project management differences: • The data used by ecommerce systems is scattered across the organization. • Ecommerce systems need a staff with a wide variety of skills. • Partnerships must be built externally and internally well ahead of implementation. • Security is of utmost importance.
  • 64. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-64 Project Charter • Describes in a written document what the expected results of the systems project are and the time frame for delivery
  • 65. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-65 Project Charter Clarifies these Questions • What does the user expect of the project? • What is the scope of the project? • What analysis methods will the analyst use to interact with users? • Who are the key participants? • What are the project deliverables? • Who will evaluate the system and how will they evaluate it? • What is the estimated project timeline? • Who will train the users? • Who will maintain the system?
  • 66. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-66 Project Failures • Project failures may be prevented by: • Training • Experience • Learning why other projects have failed • Fishbone diagram systematically lists all of the possible problems that can occur
  • 67. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-67 Fishbone Diagram (Figure 3.23)
  • 68. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-68 The Systems Proposal • Cover letter • Title page of project • Table of contents • Executive summary • Outline of systems study with appropriate documentation • Detailed results of the systems study • Systems alternatives • Systems analysts recommendations • Summary • Appendices
  • 69. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-69 Using Figures for Effective Communication • Effective use of tables • Effective use of graphs
  • 70. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-70 Effective Use of Tables • Integrate into the body of the proposal • Try to fit the entire table vertically on a single page. • Number and title the table at the top of the page. • Label each row and column. • Use a boxed table if room permits. • Use footnotes if necessary to explain detailed information contained in the table.
  • 71. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-71 Effective Use of Graphs • Choose a style of graph that communicates your intended meaning well. • Integrate the graph into the body of the proposal. • Give the graph a sequential figure number and a meaningful title. • Label each axis, and any lines, columns, bars, or pieces of the pie on the graph. • Include a key to indicate differently colored lines, shaded bars, or crosshatched areas.
  • 72. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-72 Summary • Project management fundamentals • Project initiation • Determining project feasibility • Activity planning and control • Project scheduling • Managing systems analysis team members • Problem definition • Issues of the present system • The objective for each issue • The requirements that must be included in all proposed systems
  • 73. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-73 Summary (Continued) • Project selection • Backed by management • Commitment of resources • Attains goals • Practical • Important • Feasibility • Operational • Technical • Economic
  • 74. Kendall & Kendall Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-74 Summary (Continued) • Acquiring hardware and software • Project planning • Gantt charts • PERT • Function point analysis • Team management • Ecommerce projects • Preparing a system proposal
  • 75. Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3-75 All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. Printed in the United States of America. Copyright © 2011 Pearson Education, Inc.  Copyright © 2011 Pearson Education, Inc.   Publishing as Prentice HallPublishing as Prentice Hall

Notas do Editor

  1. Project initiation – begins with problems or with opportunities for improvement in a business as the organization adapts to change. Determining project feasibility – need to work with decision makers to determine if it is feasible. Project scheduling – project activities are scheduled through the use of tools such as Gantt charts and PERT diagrams. Planning and managing activities and team members – part of assuring the productivity of systems analysis team members is effectively managing scheduled activities.
  2. Both problems and opportunities can arise as the organization adapts to and copes with natural, evolutionary change.
  3. Issues are the current situation, objectives are the desired situation. Requirements may include security, usability, government requirements and so on. Constraints might be budget restrictions or time limitations.
  4. Before the problem definition is produced information is gathered from interviews, observations, and document analysis with the users. Major points are then identified as issues. Once the issues are identified (current situation), objectives are stated (desired situation). Sometimes this may require follow-up interviews. After the objectives are stated the relative importance of the issues or objectives is determined. Due to constraints it is generally necessary to order the objectives to determine which are most critical.
  5. Backing from management – absolutely nothing can be accomplished without the endorsement of the people who eventually will foot the bill. Appropriate timing of project commitment – can a time commitment be made for installation of new systems or improvement to existing ones. Possibility of improving attainment of organizational goals – the project should put the organization on target, not deter it from its goals. Practical in terms of resources for the system analyst and organization – is there expertise and resources to carry out the project. Worthwhile project compared with other ways the organization could invest resources – when a business commits to one project it is committing resources that are unavailable for other projects.
  6. Improvements to systems can be defined as changes that will result in incremental but worthwhile benefits.
  7. The feasibility study must be highly time compressed, encompassing several activities in a short span of time.
  8. A project must be feasible in all three ways to merit further development.
  9. Sometimes add-0ns are costly and not worthwhile, because they meet needs inefficiently.
  10. If short-term costs are not overshadowed by long-term gains or produce no immediate reduction in operating costs, the system is not economically feasible.
  11. If users are satisfied with current system resistance to implementing a new system will be strong. If users are dissatisfied with the current system and have expressed a need for change chances are that the new system will be used.
  12. Only when systems analysts, users, and management have a good grasp of what kinds of tasks must be accomplished can hardware options be considered.
  13. Begin by inventorying what computer hardware is already available in the organization. Type of equipment – model number, manufacturer. Operation status of the equipment – on order, in storage, in need of repair. Financial arrangement for equipment – owned, leased, rented.
  14. The newly-proposed system should cut down required human and computer time.
  15. If estimates are accomplished properly, the business should not have to replace hardware solely due to unforeseen growth in system use.
  16. Criteria that the systems analysts and users should use to evaluate performance of different systems hardware: Time required for average transactions – including how long it takes to input data and how long it takes to receive output. Total volume capacity of the system – how much can be processed at the same time before a problem arises. Idle time of the CPU or network Size of memory provided
  17. Evaluating computer hardware is the shared responsibility of management, users, and systems analysts. Although vendors supply details about their offerings, analysts oversee the evaluation personally. Systems analysts will educate users and administration about advantages and disadvantages.
  18. Influential factors: Initial versus long-term costs. Can capital afford to be tied up in computer equipment. Should the business have full control of and responsibility for the computer equipment.
  19. Main determinants – projected life of the system. As systems become smaller, more powerful, less expensive, and distributed systems become increasingly popular, more businesses are deciding to purchase equipment.
  20. Peruse the support services documents accompanying the purchase or lease of equipment and remember to involve appropriate legal staff before signing contracts for equipment or services.
  21. Evaluating computer hardware is not as straight forward as simply comparing costs and choosing the least expensive option.
  22. It is imperative to complete a human information requirements analysis of the users and the systems they use first.
  23. Evaluate packaged software based on a demonstration with test data from the business considering it and an examination of accompanying documentation.
  24. Conditions for choosing a model are judgment methods judgment methods – if historical data are available then consider whether the forecast is conditional or unconditional
  25. Conditional – correlation regression, leading indicators, econometrics, and input/out models. Unconditional – judgment, moving average, and analysis of time series data.
  26. Both tangible and intangible cost must be taken into account when systems are considered.
  27. Tangible benefits can be measured in terms of dollars, resources, or time saved.
  28. Both tangible and intangible benefits must be discussed in the proposal, both will allow decision makers to make a well-informed decision about the proposed system.
  29. These costs are well established and are the costs that require a cash outlay of the business.
  30. It is generally not possible accurately to project a dollar amount for intangible costs.
  31. All these techniques provide straightforward ways of yielding information to decision makers about the worthiness of the proposed system.
  32. Total costs = costs that recur during operation of the system + developmental costs that occur only once
  33. Cash-flow analysis is used to determine when a company will begin to make a profit and when it will be “out of the red”.
  34. The cost of money is the opportunity cost, or rate that could be obtained if the money invested in the proposed system were invested in another project.
  35. Whichever method remember that cost-benefit analysis should be approached systematically, in a way that can be explained and justified to managers.
  36. Experience – this could mean code is developed five times faster Motivation – select good people at the outset Enthusiasm - Not only enthusiasm, but imagination and the ability to communicate with different kinds of people Trust – people may have different work styles, but they all need to agree to work together toward a common goal.
  37. Ten main sections comprise the systems proposal. Cover letter – should list the people who did the study and summarize the objectives of the study. Concise and friendly. Title page of project – name of the project, the names of the team members, date submitted. Table of contents – useful to readers of long proposals; omit if less than 10 pages. Executive summary – precisely provides the who, what, when , where, why, and how of the proposal. Outline of systems study with appropriate documentation – provides information about all the methods used in the study and who or what was studied. Detailed results of the systems study – describes what was found out about human and systems needs through all the methods described in the detailed results of the systems study. Systems alternatives - two or three alternatives that directly address the problem. Systems analysts recommendations – the recommended solution. Summary – brief statement that mirrors the content of the executive summary. Conclude the proposal on a positive note. Appendices – can include any information that may be of interest.
  38. Integrating figures into your proposal helps demonstrate that you are responsive to the different ways people absorb information.
  39. Integrate into the body of the proposal – don’t regulate them to the appendices. Number and title the table at the top of the page – Make the title descriptive and meaningful. Label each row and column – use more than one line for a title if necessary. Use a boxed table if room permits – vertically ruled columns will enhance the readability.