Session 2 Concept of Information Systems

1
Session 2 Concept of Information Systems

• PART I Foundations of Information
  Systems in Business

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What is a SYSTEM?

• A system is a group of interrelated components
  working together toward a common goal by
  accepting inputs and producing outputs in an
  organized transformation process.
• Components and their attribution
• Systems structure relationship between
  components
• Subsystems
• Environment and Boundary
• Input and Output

S1
S2
S4
S3
Environment
3
Abstract Concept of a Systems
INPUT
OUTPUT
PROCESS
4
Example a manufacturing system
INPUT of raw materials
OUTPUT of finished products
Manufacturing PROCESS
5
Pottery Company Organization Systems
INPUT
OUTPUT
PROCESS
Control signals
Control signals
Control by Management
Feedback signals
Feedback signals
System Boundary
Environment
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Systems Category in Pottery Company Systems

• Organization System
• Function Systems
• Manufacturing System
• Sell System
• Procurement System
• HR System
• Finance System
• Product design System
• .

• Infrastructure System
• Plant system
• Machine system
• Information system
• Informal IS, formal IS, formal computer-based IS
• Logistics System,
• Capital system

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What is an Information Systems?

• An information system can be any organized
  combination of people, hardware, software,
  communications network, and data resources that
  collects, transforms, and disseminates
  information in an organization

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Components of an Information System
Data
Control
People
Output
Process
Input
Software
Memory
computer
network
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Information Systems In Pottery Company

• System
• Information Product

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Information Systems Activities

• Input of Data
• Manual input by key, scanning, sound, image,
• Processing of Data into Information
• Calculate, sort, find, report, disseminate
• Output of Information Products
• Report, display, suggestion,
• Storage of Data Resource
• Database, data file, maintenance, ..
• Control of System Performance
• Audit,

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DATA INFORMATION KWONLEDGE

• DATA
• Streams of raw facts representing events such as
  business transactions, simple observations of the
  state of the world
• Easily structured
• Easily captured on machines
• Often quantified
• Easily transferred

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DATA INFORMATION KWONLEDGE

• INFORMATION
• Data endowed with relevance and purpose, or,
  Clusters of facts meaningful useful to human
  beings in processes such as making decisions.
• Requires unit of analysis
• Need consensus on the meaning
• Human mediation necessary

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Data Information
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DATA INFORMATION KWONLEDGE

• KNOWLEDGE
• Information from the human mind (includes
  reflection, synthesis, context ), which guide
  human behavior in correct way.
• Information synthesized and contextualized to
  provide value.
• Hard to structure
• Difficult to capture on machining
• Hard to transfer

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Wrap Up

• Concepts
• A System
• An information system
• 5 resource components in an information systems
• A activities in an information System
• Data, information and knowledge

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Assignment for Session 2

• P. 33 Review Quiz
• Write down in your book, not submit
• Preparation for session 3
• Reading Materials
• Textbook chapter 1
• Group Case study Cisco Systems Architecture
• What is the legacy system problem at Cisco? How
  big a problem is it?
• How important is the ERP to solution of the
  problem and to the overall architecture? Do you
  see the ERP component as something that will be
  undertaken by some, most or all companies at they
  build their information age IT architecture?
• What are the essential components of Ciscos
  Strategic I-Net? What is the role of Ciscos
  Strategic I-Net?