INTODUCTION TO INFORMATION SYSTEMS
Part 1: INFORMATION SYSTEM
- Data
- Raw facts
- Derived through different modes of inquiry
- Happening now and have happened in the past
- Information
- Basic resource
- Processed data
- Organized, has use, provide meaning
- Data that have a particular meaning within a specific context
- Meaningful and useful data
- Information Socitety:
- System with useful data
- Knowledge Workers
- Use, create, and distribute information
- Data Workers
- Qualities of Information:
- Time dimension
- Content dimension
- Form dimension
- Qualities of VALUABLE information:
- Accurate
- Verifiable
- Timely
- Organized
- Accessible
- Useful
- Cost-effective
- Knowledge
- Convert data into useful information
- Relatingm understanding, and analyzing several pieces of valuable information
- Composed of set of rules
- Knowledge-Based
- Database
- Persistent, organized, structured and shared storage of collected interrelated data that has purpose
- Generate meaningful information
- Records only data that has purpose
- Relationship and connections between its data to make them more meaningful
- Well organized and structured so that it can be easily shared and retrievable
- The need for database:
- Man has the desire to record everything
- More record = to a need of storage space
- The records are desired to be shared and re-used
- Issues in Electronic File Processing
- Separation and isolation of Data
- Duplication of Data
- Data dependence
- Incompatible file formats
- Fixed queries
Part 1.2: COMPUTER LITERACY, IS LITERACY, IS
- Computer Literacy
- Know how to use IT (Information Technology)
- Information Techonology
- Hardware
- Software
- Telecommunications
- Storage techniques
- store , retrieve, and manipulate
- Infomation System (IS) Literacy
- Understands and knows the importance of information
- Understanding the nature of business
- IS Literate
- 3 Elements or Skill
- IT Skills
- Anaylsis and problemen solving skills
- Organizational and behavioral skills
- Information System
- Technical
- Set of interrelated components that collects, process, store, distribute information to support the operation of an organization
- Management
- Organizational and management solution to business problems (manual, computerized)
- Application that allows people to maximize the tons of recorded data
- Example:
- People
- Information Processing Theory
- Components:
- Hardware
- Software
- Data
- People
- Procedur
- Activities involved
- Input
- Process
- Output
- Feedback
- Why IS
- Changing business environment starting 1990s
- Transformation of industrial economies and societies into knowledge and information based service economics
- Classification
- Formal IS
- Fixed
- Accepted definition of data and procedures for collecting the information
- Ex: Computer Based Information System (CBIS)
- Processing, storing, and distribution of information
- Informal IS
- Implicit agreements and unstated rules of behavior
- EX:
- Grapevines
- Office Gossip Network
PART 2: MANAGEMENT INFORMATION SYSTEM
- Management Information Systems (MIS)
- Developments and use of information systems
- Help businesses achieve goals and objectives
- Key Elements:
- Development and use
- Information Systems
- Business goals and objectives
- MIS Manager
- Runs the MIS department
- Should know computer technology and the organization’s business
- Development and use of IS
- Business Professionals
- Active rule in IS to ensure that systems meet their needs
- Understand how IT systems are constructed
- Consider users need during development
- Learn how to use IT system
- Take into account ancillary IT functions
- 5 Component Framework of IS
- Hardware (Computer side)
- Software (Computer side)
- Data (Computer side)
- Produceres (Human Side)
- People (Human Side)
- Contemporary Approach:
- Technical
- Computer science
- Management science
- Operational research
- Behavioral
- System utilization
- Implementation
- Creative design
- Discipline
- Sociology
- Psychology
- Economics
- Conceptual Framework
- Management Challenges
- Information Techonolgies
- Foundation Concepts
- Development Processes
- Business Applications
- Role of IS in Business
- Support strategies for competitive advantage
- Suppor business decision making
- Support business processes and operations
- IT vs IS
- IT:
- Includes:
- Hardware
- Software
- Data components
- Refers to:
- Methods
- Inventions
- Standards
- Products
- Could be though of as information tools
- This alone will not help an organization to achieve its goals
- IS:
- It is equal (=) to IT plus (+) people and procedures
- IS makes IT useful
- How do successful business professionals
- Think creatively about problems, challenges, and opportunities and find ways to apply IT and IS
- Create innovative applications using emerging (new) technologies
- Find ways to gain a competitive advantage with information systems
- Classic Management Function
- Planning
- Short-range and long-range plans
- Set goals to achieve those plans
- Organizing
- Decide how to use resources (people and materials)
- Staffing
- Directing
- Guide employees to perform their work
- Controlling
- Monitor the organization’s progress toward reaching its goals
- Classic Management Pyramid
- Top-Level Managers (Strategic)
- Senior Managers
- Make long range strategic decisions
- Focuses on the planning functions of the organizations
- Middle-level managers (Tactical)
- Middle Managers
- Carry out programs and plans of senior managers
- Focuses on organizing and staffing
- Carry out the visions of top level managers
- Low-level managers (Operational)
- Operational Managers
- Monitor the firm’s daily activities
- Directing and controllingworkers to perform the planned activities
- New Management Model
- Industries are finding that they can fo w/out middle managers. They have been replaced by computer networks.
- Flattened Management Pyramid
- Top level managers (strategic)
- Low and Middle level managers (tactical)
- Using computers in this level
- Workers (operational)
- Evolution of IS
- 50s: Electronic Data Processing (EDP)
- 60s: Management Information System (MIS)
- 70s: Decision Support System (DSS) & Office Automation System (OAS)
- 80s: End User Computing (EUC)
- 90s: Integration
- Impact of IS:
- Organizations
- People and cultural influence IS
- Technology
- Appropriate use of machine and technologies
- Management
- New options for organizational design
- Flattening organizations
- Separation work from location
- Reorganizing work flows
- Increasing flexibility
- Redefining organizational boundaries
- Challengers of IS:
- Technology Challenge
- HW and SW gap
- HW and SW business races
- Productivity Challenge
- Increase productivity and growth in computing power
- Strategic Business Challenge
- Fast responses or change quickly
- How can we stay on top?
- Aware of what’s new and what’s hot in the business
- People Challange
- Interrelationship between human and technology
- Ethical issues
- Human Computer Interaction (HCI)
- IS Investment Challenge
Part 3: MAJOR TYPES OF INFORMATION SYSTEM
- Information
- Organizational resource
- Must be manage as carefully as other resources
- Information Processing
- Cost are associated with information processing
- Must be managed to take full advantage of its potential
- Role of Information System in Organizations
- Provide early warning signals of problems that originate both externally and internally
- Automate routine clerical operations
- Assist all levels of managers in making routine (programmed) decisions
- Provide the information necessary for management to make strategic (non-programmed) decisions
- IS are developed for different purposes depending on the needs of the business
- System Analysis
- May be involved with any or all of these systems
- Support of its business processes and operations
- Support of decision making by its managers
- Support of its strategies for competitive advantage
- Major Types of IS
- Transaction Processing System (TPS)
- Office Automation System (OAS)
- Knowledge System (KWS)
- Management Information System (MIS)
- Decision Support System (DSS)
- Expert System (ES) & Artificial Intelligence (AI)
- Group Decision Support System (GDSS) & Computer Supported Collaborative Work System (CSCWS)
- Executive Support System (ESS)
- Types of IS
- IS that supports Business Operations
- Transaction Process System (TPS)
- Process Control System (PCS)
- Office Automation System (OAS) / Office Information System (OIS)
- Knowledge System (KWS)
- IS that supports Management Making
- Management Information System (MIS)
- Decision Support System (DSS)
- Executive Information System (EIS) / Executive Support System (ESS)
- Expert System (ES)
- IS that support of Strategic Competitive Advantage
- Strategic Information System (SIS)
- Computer Supported Collaborative Work System (CSCWS) / Group Decision Support System (GDSS)
- Executive Information System (EIS) / Executive Support System (ESS)
Part 3.2: ROLE OF IS IN ORGANIZATIONS
- Business decision Processes and Operations
- TPS: Transaction Processing System
- Day to day operations of business
- Daily sales and marketing / inventory
- Accounting (AR, AP)
- Purchasing and receiving
- Human Resources Management / Personnel
- Production / Manufacturing
- These system function smoothly and without interruption
- Computerized information
- Systems that were developed to process large amounts of data for routine business transactions
- Boundary spanning system
- To interact with the external environment
- Allow sorting, listing, merging, and updating of data and information
- Handle and produce data and information in the form of:
- Transaction
- Events
- Detailed Reports
- Lists
- Summaries
- Types of TPS System:
- Sales and Marketing System
- Sales ordr information system
- Marketing research System
- Pricing SYstem
- Order tracking and processing
- Manufacturing and Production System
- MAterials resource planning system
- Purchase order control system
- Engineering system
- Quality control system
- Accounting and Finance System
- General Ledge System
- Accountes Payable / Receivable System
- Budgeting System
- Funds Managemenr System
- Human Resource Systems
- Payroll System
- Employee Records System
- Benefit System
- Career Path System
- Training and development system
- Used by:
- Operational Management
- Non-management Employees
- PCS: Process Control System
- Only includes manufacturing under TPS
- Used by:
- Operation Management
- Production Manager
- OAS / OIS: Office Automation Systems / Office Information Systems
- Support data workers that analyze the information
- Do not create new knowledge
- Transform data or manipulate it before disseminating it throughout the organization
- Suppot the storage of information within organization
- Ex:
- Fax machine
- Telephone
- Email
- Desktop Publishing (DTP)
- Word processing
- Spreadsheet
- Electronic scheduling
- Video conferencing
- Image processing voice mail
- Goal
- To have a paperless office
- Make use of tolls like
- Word processing
- Electronic mail
- Calendaring features
- Reminder files
- Handle
- Document management
- Scheduling
- Communications
- Support Data workers
- Used by:
- KWS: Knowledge System
- Creation, organization, and dissemination of business knowledge to employees and managers throughout the organization
- Knowledge workers
- Ex:
- Computer Aided Design
- Computer Aided Manufacturing
- E-learning SYstems
- Scientific Computing Systems
- Engineering
- Graphics
- Managerial Workstations
- Used by:
- Management Decision Making / Decision Making
- MIS: Management Information System
- A collection of data to create a summary report
- TPS (Transaction Processing System) + RGS (Report Generating System)
- Do not replace TPS
- All MIS include transaction processing
- Computerized informating systems that work because of the purposeful interaction between people and computers
- Support a broader spectrum of organizational task than TPS
- Include: Decision analysis and Decision Making
- Share a common database
- Store both: data & models
- Help user interpret and apply all the data
- Used in decision making
- Planning for development, management, and use of information technology tools
- Help people in the organization perform all task related to information processing and management
- Information in the form of:
- Reports
- Display information
- Provide access to organization’s:
- Current performance
- Historical records
- Focus on INTERNAL events
- SHORT TERM planning and decision making
- Ex:
- Sales management
- Inventory Control
- Annual Budgeting
- Capital Investment Analysis
- Used by:
- Tactical Management
- Operational Management
- Types / element (ewan) :
- Structured and semi-structured decisions
- Report control oriented
- Past and Present data
- Internal Orientation
- Lengthy design process
- DSS: Decision Support System
- Support managerial decision making
- Focus on helping managers make decisions:
- semi -structured
- Unique
- Rapidly changing
- Not easily specified in advance
- Higher level class of computerized information system
- Similar to traditional MIS
- Both depend on a Database (DB) as a source of data
- Emphasizes the support of decision making in all its phases
- Focus on business intelligence
- Greater analytical power that other:
- System
- Incorporate modeling tools
- Aggregation and analysis tools
- Support what-if scenarios
- Ex:
- Sales region analysis
- Production scheduling
- Cost analysis
- Pricing / Profitability analysis
- Contract cost analysis
- Used by:
- Tactical Management
- Operational Management
- ES: Expert Systems
- Also known as Knowledge Base System
- Application of AI (Artificial Intelligence)
- Mimic the performance of human experts
- Effectively capture and use the knowledge of an expert for solving a particular problem experience in an organization
- Ex:
- Training SYstem
- Equipment Diagnostics
- Portfolio Management
- Troubleshooting Systems
- Artificial Intelligence (AI)
- Develop machines that behave intelligently
- 2 Avenues of AI research:
- Understanding natural language
- Analyzing the ability to reason through a problem to its logical conclusion
- Used by:
- Tactical Management
- Operational Management
- ESS / EIS: Executive Support System / Executive Information System
- Internal and external sources
- Use of senior executives
- Help executives organize their interaction with the external environment and looking ways to help them make decisions on the strategic level
- Rely on the information generated by TPS and MIS
- Address unstructed decisions and create a generalizes computing and communication environment
- Creating an environment that is conductive to thinking about strategic problems in an informed way
- Incorporate data about external events
- Draw summarize information form
- MIS (Management Information System)
- DSS (Decision support system)
- These systems:
- Filter
- Compress
- Tract critical data
- Ex:
- Sales trend forecasting
- Operations planning
- Budget forecasting
- Profit planning
- Manpower planning
- Used by:
THE MODERN ORGANIZATION
PART 4: THE FUNCTIONING IN A GLOBAL ENVIRONMENT
- Information Systems: Concepts and Definitions
- Data Items
- Elementary descriptions of:
- Things
- Events
- Activities
- Transactions
- Recorded, classified, and stored
- Not organize to convey any specific meaning
- Information
- Data that have been organized
- Have meaning and value
- Knowledge
- Consists of data and/or information
- Organized and processed to conver:
- Understanding
- Experience
- Accumulated learning
- Expertise
- Apply to a current business problem
- Information Technology (IT) Architecture
- High level map
- Plan of the information assets in an organization
- Guide for current operations
- Blueprint for future directions
- Integrates the entire organization’s business needs
- For information
- IT infrastructure
- All applications
- Describes how the house is to be constructed including the varius components
- Shows how all aspects of IT in an organization fit together
- Information Technology (IT) Infrastructure
- Consists of the (things) that support the entire organization:
- Physical facilities
- IT Components
- IT services
- IT personnel
- The Global, Web-Based Platfrom
- Represented by the Internet & the World Wide Web (WWW)
- Enables us to (list) everywhere and anytime:
- Connect
- Compute
- Collaborate
- Compete
- Operates without regard to geography, time, distance, and language
- Globalization
- Integration and interdependence of:
- Social
- Cultural
- Ecological facets of life
- Enabled by rapid advances in information technology
- Stages of Globalization:
- Globalization 1
- 1492 - 1800
- Christopher Columbus
- Amount of muscle, horse power, wind power, or stream power a country had and could deploy
- Globalization 2
- 1800 - 2000
- Multinational companies
- Headquarters in a one country
- Operated in several countries
- 1st half
- Driven by falling transportation costs
- Stream engine, railroads
- 2nd half
- Falling telecommunication cost
- Satellites, Apple Mac Pro, Fiber Optics, Open Source Smart Phone
- Globalization 3
- Emergence of a global, web-based platform
- Flatteners
- Thomas Friedman
- The convergence of 10 forces
Part 4.2: TEN FLATTERNERS
- Thomas Friedman’s Ten Flatteners
- Fall of the Berlin Wall
- Collapse of the Sovient Union and the communist government of Eastern Europe
- Move toward free market economies
- People begin thinking about the world as a single market or single community
- Netscape goes public
- Navigating the web or browser
- Development of Work-flow software
- Enables computer apps to interoperate or communicate and work with one another without humas intervention
- Uploading
- Open source software
- An essential ingredient of uploading
- Linux, OpenOffice, Apache Web Server, Mozilla (Firefox and Thunderbird), SeaMonkey Project
- Community developed software
- Wikipedia, YouTube, Blogger
- Outsourcing
- Taking a specific function that your company was doing itself
- Having another company perform that same function for you
- Intergrating their work back into your operation
- Year 2000 (Y2K) problem
- Offshoring
- Company moves an entire operation or task to another company
- Call center
- Supply Chaining
- When companies, their suppliers, and their customers collaborate and share information
- Each segment of the chain can interface with the next
- Walmart
- Insourcing
- Delegates operation or jobs within a business to another company
- Specialized in those operation
- Ex:
- Dell hire FedEx to analyze Dell’s shipping process and take over that process
- FedEx employees work inside Dell but remain employed by FedEx.
- Informing
- Ability to search for information
- Search engineer
- The Steroids
- Amplify the other flatteners
- Enable all forms of computing and collaborations to be:
- Digital
- Mobile
- Virtual
- Personal
- 1st Steroid:
- 2nd Steroid:
- Instant Massaging
- File Sharing
- 3rd Steroid:
- Voice over internet protocol
- 4th Steroid:
- Videoconferencing
- Telepresence system in a conference room
- Individual telepresence system
- Medicine
- 5th Steroid
- 6th Steroid
- Wireless technology
- Cellphone
- Bluethooth
- Geostationary satallite
Part 5:
- The Great Convergence
- 3 powerful technological forces
- Cheap and ubiquitous computing devices
- Low cost, high bandwidth
- Open Standards
- We have computing everywhere and anywhere, anytime and all the time
- Access to limitless amounts of information, services, and entertainment
- Creation of a global, web enabled playing field
- Multiple forms of collaboration
- Sharing of knowledge and work in real time
- Without regard to geography, distance, language in the near future
- Information Age
- Innovative ideas
- Clever use of information
- Business must compete in challenging market place
- Changing
- Complex
- Global
- Hyper competitive
- Customer focused
- Business Environment
- External
- Combination of social
- Legal economics and physical factors that affected business activities
- Ex:
- Many companies restructured their organizations
Reorganized
Reengineering
Redesign
- Business Pressures
- Info age places many pressures or companies
- Firm may respond
- Reactively to pressure already in existence
- Proactively to an anticipated pressure
- Companies are typically facilitated to IT
- Information Technology
- HW and SW that performs data processing task
- Capturing
- Transmitting
- Storing
- Retrieving
- Manipulating
- Displating data
- Info Tech
- Only solution to business pressures
Part 5.2: Business Pressures, Organizational Responses, and IT Support
- Business Environment Pressures
- Outer pressures
- Market Pressures
- Global economy and strong competition
- Better telecommunication system
- Increase competition for market share and labor resources
- Intensified when governments are involved
- Subsidies
- Tax policies
- import/export regulations and incentives
- Need for Real time operations
- No longer have the luxury of information float
- High performance telecommunication technology
- Reduce time lag
- Fully automated and real time
- Changing nature of the workforce
- Becoming more diverse
- Organization are becoming transnational
- Small Office and Home Office (SOHO)
- Powerful customer
- Customer Orientation
- “Free, perfect, and now”
- Demanding even more detailed information about products and services
- High quality and low cost
- Technological Pressures
- Pressures related to technology
- Technological Innovations and Obsolenscence
- Continuing innovation with computer technologies
- Faster obsolescence of
- Products
- Shorter life cycles
- Increasing quality standards
- Information Overload
- Infromation and knowledge that is generated and stored inside organizations are also increasing exponentially
- Increase the amount of info available to organizations and individual
Managers are at a risk of this
Bombarded with so much useful information
Compelled to consider vast amounts of information before taking actions
- Societal Pressures
- Societal, political, and legal aspects
- Social Responsibility
- Societal issues affecting corporation
- Ex:
- Companies are taking active measures to respond to social issues and contribute toward social improverments
- Government Regulation and Deregulation
- Compliance with government regulations costsx
- Deregulation
- Blessing to one company or a curse toanother
- Ethical Issues
- Protection Against Terrorist Attacks
- Protect themselves against terrorist attacks
- IT can help protect businesses by providing security systems and identifying patters of behavior
- Cyberattacks
- Organizational Responses
- Inner
- IT solutions
- Response of the company
- Components:
- Strategic System
- Sysbusi
- Strategic advantage in meeting organizational objectives
- Enable them to increase their market share
- Prevent competitors from entering their market
- Customer Focus and Service
- More attention to customer and their preferences
- Continuous improvement efforts to their products and quality
- Organizational improvement tools:
- (JIT): Just in time inventory approach
Attempts to reduce costs and improve work flow
Scheduling materials and parts
IT makes it easier to implement large and complex JIT system
- TQM: Total quality management
Improve quality wherever and whenever possible
IT can enhance this by:
Improving data
Monitoring
Collection
Analysis and reporting
Increase the speed of inspection
Raise the quality of testing
Reduce the cost of performing various quality control activities
- Business Process Reengineering (BPR)
- Process of introducing a major innovation in an organization’s structure / process
- Overhaul of the organizations:
- Technological
- Human
- Organization dimension
- IT provides:
- Automation
- Flexibility in management
- support s rapid and paperless transaction
- Team Based Structure
- Uses flexible and temporary organizational structures focused on specific project
- Make use of GDSS (Group Decision Support System)
- Ex:
- CBCSS (Computer Base Communication Support System)
- Business Alliances
- Alliances with other firms, even competitors, can be very beneficial
- Types:
- Sharing resources
- Establishing permanent suppliers - company relationships
- Joint research efforts
- Supported by IT ranging from:
- EDI, Electronic Data Interchange to
- Electronic transmission of maps and drawing
- Can result from careful supply chain management
- Examines every steps of the logistics process
- In supplying a manufacturing firm
- Enterprise Resource Planning (ERP)
- Integrated process of planning and managing all major business processes with a single client / server architecture in real time
- Contact with
Business partners and with customers
- Electronic Commerce
- Multifaceted concept
- Electronic transfer of funds between buyers and sellers
- Internet-based marketing
- Intranet and extranet based information networks for both inter&intra organizational support
- Why are Information System Important to you?
- IS is interesting
- Integral to out lives
- Offer career opportunities
- Used by all functional areas
- Misinformation about IS career opportunities
- No computing jobs
- No IT jobs when I graduate
- All IT related jobs are moving offshore
- IT salaries are lower due to cheap overseas labor