
CSUN Information Systems. Systems Analysis & Design. http://www.csun.edu/~dn58412/IS431/IS431_SP14.htm. System Development Process. IS 431: Lecture 2. System Development Process. Value Chain and Innovation Cycle Principles of systems development.
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http://www.csun.edu/~dn58412/IS431/IS431_SP14.htm
System Development Process
IS 431: Lecture 2
IS 431 : Lecture 2
Information Systems in Organization
EXECUTIVE INFORMATION SYSTEMS
STRATEGIC
MANAGEMENT INFORMATION SYSTEMS
TACTICAL
TRANSACTION PROCESSING SYSTEMS
OPERATIONAL
ACCOUNT I N
G
F I NANCE
HUMAN
RE
S
PRODUCT
ION
SALES
OTHERS
VALUE CHAIN
IS 431 : Lecture 2
SUPPORT ACTIVITIES
FIRM INFRASTRUCTURE
HUMAN RESOURCES
TECHNOLOGY
PURCHASING
INBOUND
LOGISTICS
OPERATIONS
OUTBOUND
LOGISTICS
MARKETING
& SALES
SERVICE
PRIMARY ACTIVITIES
Receiving,
Storing,
Distributing
Raw Materials
Manufacturing
Distribution
Order Processing
Advertising
Selling
Repair
Maintenance
IS 431 : Lecture 2
VALUE
FIRM INFRASTRUCTURE
HUMAN RESOURCE MANAGEMENT
TECHNOLOGY DEVELOPMENT
PROCUREMENT
INBOUND
LOGISTICS
OPERATIONS
OUTBOUND
LOGISTIC
MARKETING
& SALES
LOGISTIC
SERVICE
MARGIN
COST
IS 431 : Lecture 2
IS 431 : Lecture 2
IS 431 : Lecture 2
IS 431 : Lecture 2
Capability Maturity Model (CMM) – a standardized framework for assessing the maturity level of an organization’s information system development and management processes and products. It consists of five levels of maturity:
IS 431 : Lecture 2
IS 431 : Lecture 2
IS 431 : Lecture 2
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IS 431 : Lecture 2
IS 431 : Lecture 2
IS 431 : Lecture 2
IS 431 : Lecture 2
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IS 431 : Lecture 2
IS 431 : Lecture 2
IS 431 : Lecture 2
IS 431 : Lecture 2
*In fact, there is a saying “ If you have two alternatives to solve a problem, the third one is the best ” (See Murphy’s Laws)
IS 431 : Lecture 2
IS 431 : Lecture 2
IS 431 : Lecture 2
IS 431 : Lecture 2
IS 431 : Lecture 2
IS 431 : Lecture 2
IS 431 : Lecture 2
P the need to improve performance
I the need to improve information(and data)
E the need to improve economics, control costs, or
increase profits
C the need to improve control or security
E the need to improve efficiency of people and processes
S the need to improve service to customers, suppliers, partners, employees, etc.
(They are Opportunities for New System Development Projects)
IS 431 : Lecture 2
IS 431 : Lecture 2
IS 431 : Lecture 2
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IS 431 : Lecture 2
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IS 431 : Lecture 2
Cross life-cycle activity – any activity that overlaps many or all phases of the systems development process.
IS 431 : Lecture 2
IS 431 : Lecture 2
IS 431 : Lecture 2
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IS 431 : Lecture 2
IS 431 : Lecture 2
IS 431 : Lecture 2
IS 431 : Lecture 2
IS 431 : Lecture 2
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IS 431 : Lecture 2
IS 431 : Lecture 2
IS 431 : Lecture 2
IS 431 : Lecture 2
IS 431 : Lecture 2
IS 431 : Lecture 2
IS 431 : Lecture 2
Computer-aided systems engineering (CASE) – the use of automated software tools that support the drawing and analysis of system models and associated specifications. Some CASE tools also provide prototyping and code generation capabilities.
IS 431 : Lecture 2
IS 431 : Lecture 2
Application development environments (ADEs) – an integrated software development tool that provides all the facilities necessary to develop new application software with maximum speed and quality. A common synonym is integrated development environment (IDE)
IS 431 : Lecture 2
IS 431 : Lecture 2