Using Technology to Manage Information

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Using Technologyto Manage Information

• Chapter 13

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I. Computer Networks

• A. Local area networks (LAN)
• connects computers at one site
• people can share hardware software
• B. Wide area networks (WAN)
• connects computers at different sites by phone,
  satellite, or microwave

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II. Uses of Computers

• A. Computational models
• 1. Statistical analysis
• 2. Optimization models (linear programming)
• 3. What if analysis
• B. Data processing systems
• 1. Accuracy, speed, space, flexibility
• C. Inter-organizational systems
• 1. Electronic data interchange systems (EDI)

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III. Business Information Systems

• A. Transaction Processing systems
• 1. Batch processing
• 2. Online processing (real-time
  processing)
• B. Management Support Systems
• 1. Information reporting systems
• 2. Decision support systems
• 3. Expert systems

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• C. Business applications - payroll, record
  keeping,
• inventory control, scheduling, order
  processing
• D. Limitations of current packages
• 1. Modify the companys business procedures
  
• to fit an existing package
• 2. Customize an existing application
• 3. Build an entirely new application

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An Integrated Information System
Suggesteddecisions
Expertsystems
Informationreportingsystem
Internaldatasources
Transactionprocessingsystem
Decisionsupportsystems
Internaldatabase
Possiblesolutions
Externaldatasources
Executiveinformationsystems
Externaldatabase
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IV. Managing Info Technology

• A. Technology planning
• coordination of executives, IT managers, area
  managers
• B. Protecting computers information
• 1. data security (unauthorized access and use,
  
• security breaches, deliberate damage,
  computer
• virus)
• 2. preventing problems - installing fixes to
  prevent future worms or viruses from harming
  hardware or software
• 3. privacy of information - finding a balance
  between
• collecting info and protecting individual
  consumer
• rights

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V. The Future of the Internet

• A. Lack of central authority
• B. Lack of underlying organization
• C. Network performance
• D. Individual performance

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VI. Trends in Technology

• Information appliances
• palmtops, web phones
• smarter household appliances include
• washers with dirt sensors
• refrigerators with adaptable defrost
• microwaves refrigerators that know what is
  inside by scanning bar codes (Source Consumer
  Reports, Jan. 2000, p. 18)