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Lecture Accounting information systems: Chapter 15 - Richardson, Chang, Smith

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Chapter 15
The Systems
Development Life Cycle
and Project
Management:
Addressing the
Challenges of Building
AIS Systems

Copyright © 2014 McGraw­Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw­Hill Education.


Learning Objectives










LO#1 Describe each phase in the systems
development life cycle.
LO#2 Explain the core principles of information
systems planning
LO#3 Define project management and describe
the positions of those who lead the project.
LO#4 Explain why IT projects are challenged
and the tools that are used to overcome these


challenges.
LO#5 Explain why users do or do not want to
use a new information system designed
15-2 for


LO# 1

The Systems Development Life Cycle




The systems development life cycle
(SDLC) is the process of creating or
modifying information systems to meet the
needs of its users.
The SDLC is generally viewed as the
foundation for all systems development that
people use to develop such systems.

15-3


LO# 1

Phases of the Systems Development
Life Cycle



Planning Phase



Analysis Phase



Design Phase



Implementation Phase



Maintenance Phase

15-4


The Recursive Nature of the SDLC

15-5

LO# 1


Project Management: A Few Terms







LO# 2,3

Project management is the planning,
organizing, supervising and directing of an IT
project.
A project manager is the lead member of the
project team that is responsible for the
project.
The project sponsor will often be a senior
executive in the company who takes
responsibility for the success of the project.
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LO# 4

Challenges of IT Project Management

15-7


Constraints of IT Projects

15-8


LO# 4


Project Management Tools


LO# 4

PERT chart – works to identify all tasks of a
project


Notes task sequencing and task dependence.



Notes critical path – the path that represents
the minimum amount of time needed for the
completion of the project when sufficient
resources are allocated.

15-9


LO# 4

PERT Chart

15-10



Project Management Tools


LO# 4

A Gantt chart is a graphical representation of
the project schedule by mapping the tasks to
a project calendar.

15-11


LO# 4

Gantt Chart

15-12


Will the Systems Be Useful?
Will it be Used?

15-13

LO# 5


Usefulness and Ease of Use?





LO# 5

What can be done to address perceptions of
usefulness of a new accounting information
system?
What can be done to address perceptions of
ease of use of a new accounting information
system?

15-14


Summary






LO# 5

The systems development life cycle is the
foundation for all systems development,
models, and methodologies that people use to
develop such systems. The SDLC has five
phases: Planning, Analysis, Design,
Implementation and Maintenance.

Project managers and project sponsors each
play key roles in managing system
development.
Many AIS and IT projects fail to meet
expectations. If we can understand15-15
the reason



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