9 information systems development

Lecture 9: Business Process
and Information Systems
Development



Study questions
Q1 Why do organizations need to manage
business processes?
Q2 What are the stages of Business Process
Management (BPM)?
Q3 How to model a Business Process?
Q4 How Are Business Processes and
Information Systems Related?
Q5 What are systems development activities?
Q6 What are the keys for successful process
and systems development projects?

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Q1 Why do organizations
need to manage business
processes?


Business Process


Business Process: a network of activities,
repositories, roles, resources, and data flows
that interact to accomplish a business
function
 Example:
 Process
 Steps



in hiring an employee

Some processes tied to functional area




an Order (next slide)

Sales and marketing: identifying customers

Some processes are cross-functional


Fulfilling customer order

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Business Process

Source: textbook [1], page 331

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Why Does Business Process Need
Management?


Processes That Don’t Work Well



Change in Technology



Change in Business Fundamentals
 Market,

Product lines, Supply chain,
Company policy, Company organization,
Internationalization, Business environment

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Q2 What Are the Stages in
Business Process Management
(BPM)?


Business Process Management (BPM)


Business Process Management (BPM):
 focuses

on improving corporate
performance by managing and optimizing
a company's business processes



See more: What is BPM in 3 minutes

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Stages in the BPM Cycle

Source: textbook[1], pg 333

Source: wikipedia

Business Process
Reengineering
 A radical form of fast change


Not continuous improvement, but
elimination of old processes, replacement
with new processes, in a brief time period



Can produce dramatic gains in productivity,
but increases organizational resistance to
change



See more: Business Process Reengineering

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Q3. How to model a
Business Process?


Business process models



Business process models:
 Shows functional relationships versus time
 Can

help in measuring loading on various
functional areas
 Illustrates cross-function communication
processes
 are often called ‘swimlane diagrams’ because the
‘swimlanes’ form a key element of the models
 Other

names: process maps, cross-functional
flowchart.

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Modeling using BPMN (Business
Process Modeling Notation)

Source: textbook[1], pg 335

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Modeling using BPMN example

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Source:
textbook[1],
pg 336


Modeling using Cross-Functional
Flowchart
Advantages and
Disadvantages of
Cross-Functional
Flowchart???

Source: MS Visio 2013

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Q4 How Are Business
Processes and Information
Systems Related?


Relationship of Business Processes
and Information Systems


Relationship of business processes to
information systems is many-to-many,
or N:M.
A

business process need not relate to any
information system, but an information
system relates to at least one business
process.

Source: textbook[1], pg 341

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Q5 What are systems
development activities?


Systems Development


Systems development: the process of
creating and maintaining an
information system



The most common technique for
developing IS is the systems
development life cycle (SDLC)

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Systems Development Life Cycle (SDLC)

Source: textbook[1], pg 343

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SDLC: System Definition Phase

Source: textbook[1], pg 345

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SDLC: Requirements Analysis Phase

Source: textbook[1], pg 350

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SDLC: Component Design Phase

Source: textbook[1], pg 351

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SDLC: Implementation Phase

Source: textbook[1], pg 351

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SDLC: System Maintenance Phase

Source: textbook[1], pg 353

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