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IT09 L24: MANAGEMENT INFORMATION SYSTEMS- Module 2

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Viju P Poonthottam

Management Information System - The Managers view Robert Schultheis Mary Sumner

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Table of contents Overview I/O Devices Communication DS IT09 L24: MANAGEMENT INFORMATION SYSTEMS Viju P Poonthottam Asst. Professor Dept. of Information Technology MES CE Kuttippuram February 6, 2014
Table of contents Overview I/O Devices Communication DS Table of contents Table of contents Overview I/O Devices Communication DS
Table of contents Overview I/O Devices Communication DS Computer Systems • Super Computer • Mainframe Computers • MiniComputers • Micro computers • Professional workstations • Laptop,Notebook,palmtop etc • Network computers • Convergent Computers
Table of contents Overview I/O Devices Communication DS Computer platform • The type of computer system you are using for your organisation’s task is often referred to as a computer Platform
Table of contents Overview I/O Devices Communication DS CPU • Cenntral Processing Unit • Expansion slots • Single in-line memory modules(SIMMs) • Motherboard • Disk controller board • video board • power supply • Read only memory • CPU • Hard drive • Floppy drive
Table of contents Overview I/O Devices Communication DS Using more than one processor • co processor • i/0 channels • multiprocessing Capacity • Parallel processing
Table of contents Overview I/O Devices Communication DS Types of computer system processing • Online Transaction Processing(OLTP) • Batch processing
Table of contents Overview I/O Devices Communication DS Secondary Storage Media And Devices • Disk • Tape
Table of contents Overview I/O Devices Communication DS Disk • Floppy Tracks Sector Cylinders • Hard drives • Winchester drives • PC cards • Flash Memory
Table of contents Overview I/O Devices Communication DS Accssing Data • seek time • head switching • rotational delay • transfer time
Table of contents Overview I/O Devices Communication DS Acess Time • cylinder method of storage • Cache memory • Redundant Array of Inexpensive Disks System(RAID)
Table of contents Overview I/O Devices Communication DS Optical Storage • CD-ROM Drive • DVD-ROM • WORM • Re writable optical disk syatem • Floptical Drives
Table of contents Overview I/O Devices Communication DS Tape Storage • Magnetic Tape
Table of contents Overview I/O Devices Communication DS Hierarchical Storage System • Combines hard drives optical drives and tape drives into a multi layered system for large data.
Table of contents Overview I/O Devices Communication DS Input Devices • Scanner • Pointing Devices Mouse Track Ball Pointing Stick • Voice Recognition System • Card reader • Touch Screen • Digital Camera • Etc.
Table of contents Overview I/O Devices Communication DS Output Devices • Display Screens • LCD Display • Printing Devices Impact Printes Non impact printers • Dot matrix printers • Laser Printer • ink-jet printer • Plotter • Voice Synthesizer • COM Recorder(Computer Output Microfilm)
Table of contents Overview I/O Devices Communication DS Hardware Standards • Compatiability • Expandability • Reliability
Table of contents Overview I/O Devices Communication DS Other Acquisition Issues • Timing the acquisition • Renting leasing • Deciding on the acquisition • Choosing a Hardware vendor • Installation, Maintenance, Training • Operating Cost and the environment • Ergnomics of computer workstations
Table of contents Overview I/O Devices Communication DS Software • System Software • System Programmers • OS • Communication S/w • System Utility S/w
Table of contents Overview I/O Devices Communication DS Operating System • Operating System • Resident Programs • Transient Programs • Multi Programming • Time Sharing Time Sharing • Multiprocessing Asymmetricmulti processing Symmetric Multi Processing • Parallel Processing • Virtual Storage
Table of contents Overview I/O Devices Communication DS Software • Communication Software • Other System Software
Table of contents Overview I/O Devices Communication DS Software • MicroComputer Opertating Systems • Single and multi tasking Operating System • Task Switching • Kernel • Utilities • Third party Software vendors • Hardware Dependence • Operating System Interface • Command line user interface • Graphical user interface • Windowing • Dynamic data exchange
Table of contents Overview I/O Devices Communication DS Application Software • Custom versus Commercial software • Shareware and Freeware • Application Program Library • Portability • Single user multi user Programs • Categorising application software by use
Table of contents Overview I/O Devices Communication DS Desktop Suites • Word Procesing • Spread Sheet • Database • Presentation • Addons • Other Application software types
Table of contents Overview I/O Devices Communication DS Development Software • Programming Language • Machine Language • Assembly Language • Third Generation Language • Fourth generation language • Query Language
Table of contents Overview I/O Devices Communication DS Report generators • Natural Language • Application Generators
Table of contents Overview I/O Devices Communication DS Case Tools • Computer Aided Software Engineering
Table of contents Overview I/O Devices Communication DS Programming • Object Oriented Programming • Visual Programming’
Table of contents Overview I/O Devices Communication DS General Software Features and Trends • Graphical User interface • Windowing • Object linking and Embedding • Multi platform capability • Network capabilities • Licensing • Portability • Groupwork capabilities • compatiability with other software • compatiability with periferals • Ease of use
Table of contents Overview I/O Devices Communication DS Ease of use • Readability of Output • Clarity of the menu • Help • Tutorials • Good GUI
Table of contents Overview I/O Devices Communication DS Sophistication • Wizards and Agents • Ease of installation • Hardware Demands • memory requirements • Cost • Applets
Table of contents Overview I/O Devices Communication DS Selecting Microcomputer Software • Step 1 - Identifying your application needs • Step 2 - Seeking the right sofware
Table of contents Overview I/O Devices Communication DS Seeking the right sofware • Trade Association • Sofware companies • Software Database • The internet • Computer Magazines • Consultants
Table of contents Overview I/O Devices Communication DS Selecting Microcomputer Software • Step 3 Choosing the software theat best fits your business Needs • Step4 Choosing the hardware • step 5 Choosing a software vendor
Table of contents Overview I/O Devices Communication DS File And Database Management System • File Concept • Data element Field • Record
Table of contents Overview I/O Devices Communication DS File Strctures • Sequential File Structure • Direct File Structure • Indexed Sequential file Structures • Inverted Files • Linked Files
Table of contents Overview I/O Devices Communication DS File Structures and Processing Methods • Online real time Processing • Batch Processing
Table of contents Overview I/O Devices Communication DS Database Concept • Data Independence • Redundancy • Consistance
Table of contents Overview I/O Devices Communication DS Database Management System • Dbms is a collection of programms that , • Stores data in a uniform and consistent way • Organise • Acess
Table of contents Overview I/O Devices Communication DS database management system • Stores data in a uniform and consistent way • Organise the data into records in a uniform and consistent way • Allow access to the data in a uniform and consistent way
Table of contents Overview I/O Devices Communication DS Components of a Database Management System • Data Dictionary • Data Language • Tele Processing Monitors - Communication s/w that manages communication between database and remote terminal. • Application Development Tools • Security software • Archiving, Back ups, Recovery System • Report writers • Query Language • Multiple Platform Database • Web Server Software
Table of contents Overview I/O Devices Communication DS Database Administrator • Planning • Design • Operation • Training • User Support • Security and Maintenance
Table of contents Overview I/O Devices Communication DS Views of the DATA • Logical View • Physical View • The Schema - Logical view of a database • SubSchema
Table of contents Overview I/O Devices Communication DS Database Models • Hierarchical database model - IBM’s Information Management System • Network database model • Relational database model • Object-Oriented database model
Table of contents Overview I/O Devices Communication DS Hierarchical database model Figure: hierarchical database model
Table of contents Overview I/O Devices Communication DS Network Database Models • Unlike Hierarchical model the nework model permits a record to be a member of more than one set at a time.
Table of contents Overview I/O Devices Communication DS Network database model Figure: Network database model
Table of contents Overview I/O Devices Communication DS Network & Hierarchical Database Models • Less Flexible • Require explicit relationships • Data processing one record at a time.
Table of contents Overview I/O Devices Communication DS Relational Database Models • Data is organised into a series of two dimensional tables.
Table of contents Overview I/O Devices Communication DS Object Oriented Database Models - OODB • With the development of Oop • Messages • Attributes • Inherit • Reusable Objects
Table of contents Overview I/O Devices Communication DS Advantages of Database Management System. • Data Sharing • Reduced Data Redundancy • Improved Data Consistency • Data Independence • Increased Application Programmer and User Productivity • Improved Data Administration and Control • Increase Emphasis on Data as a Resource
Table of contents Overview I/O Devices Communication DS Problems of Database Management System • Concurrency Problem • Resource Problems • Security Problem
Table of contents Overview I/O Devices Communication DS Specialised DataBase • Intranet and Hypermedia Database • On-Line Database • Data Warehousing • Data Marts - Subset of data warehousing • On-line Analytical Processing • Image database • Document database
Table of contents Overview I/O Devices Communication DS Data Warehousing - Major Components • The Data itself • The hardware and network infrastructure that provides storage and acees to the data. • The software that extracts data from its original source, convers it into an uniform format and places into the warehouse • Graphical query tools to permit dataminig of the warehouse contents. • A user guide to the contents of the data warehouse • warehouse management software for information systems personnel to maintain and upgrade the warehouse
Table of contents Overview I/O Devices Communication DS Universal Database System • DBMS vendors have been enhancing their products to incorporate many datatypes These enhanced products are called univerasl database management system.
Table of contents Overview I/O Devices Communication DS Communication System elements • Channel • Tele communication System
Table of contents Overview I/O Devices Communication DS Communication Modes And Codes • Analog Transmission • Digital Transmission
Table of contents Overview I/O Devices Communication DS Data Codes • ASCII • EBCDIC
Table of contents Overview I/O Devices Communication DS Asynchronous Transmission • A Start bit • Seven bits to represent an ASCII coded character • A Parity bit • A stop bit
Table of contents Overview I/O Devices Communication DS • Simplex • Half duplex • Full duplex
Table of contents Overview I/O Devices Communication DS • Circuit Switching • Message Switching
Table of contents Overview I/O Devices Communication DS Communication Media • Speed And Ccapacity • Twisted Pair • Coaxial Cable • Fiber Optics • Wireless • Wireless
Table of contents Overview I/O Devices Communication DS Sources • Dial-up Telephone • Leased Telephone • Wireless Network
Table of contents Overview I/O Devices Communication DS Network Components • Hosts or Server • Terminals or Workstation • Protocol Converters • Modems • Terminal Connection equipments • Network Connection equipment Switches, Routers, Bridge, Repeaters •
Table of contents Overview I/O Devices Communication DS Network Topologies • Point to Point Star and Hierarchical Topologies • Multidrop Bus and Ring topologies • Mesh Topology
Table of contents Overview I/O Devices Communication DS Network Types • LAN • WAN • Enterprise Network • International Network
Table of contents Overview I/O Devices Communication DS Remote Access • Transfering Datafiles between microcomputers • Connecting your remote PC to your office Desktop • Connecting to the internet and On-Line database • Connecting to a remote local area Network • Connecting to a minicomputer or mainfarame
Table of contents Overview I/O Devices Communication DS Reason for managers to implement Network • Sharing Peripherals • Sharing Data files • Sharing Applications • Reducing the cost • Connecting to Other Network • Capturind Data at its source • Increasing Productivity • Permitting Expansion • Increasing timely Communication • Increasing Management Control
Table of contents Overview I/O Devices Communication DS Network Concerns for the Manager • Network Reliability • Response Time • Cost • Compatiability • Security
Table of contents Overview I/O Devices Communication DS Voice System • PBXs • Centrex
Table of contents Overview I/O Devices Communication DS Reason for implementing a PBX • Telephone keypad as a data terminal • Voice mail System
Table of contents Overview I/O Devices Communication DS PBX Hardware and Software • Call Conferencing • Call directors • Network accsess hardware and software • Voice mail Software • Station Message detail recording software • Data entry software • Computer telephony integration
Table of contents Overview I/O Devices Communication DS Reasons for implementing Disrtibuted Processing • Improved Response time • Reduced Cost • Improved Accuracy • Smoother growth • Increased reliability • Resource Sharing • Increased User Satisfaction
Table of contents Overview I/O Devices Communication DS Distributed Processing Concerns for managers • Lack of professional MIS Staff • Standardisation • Documentation • Data Loss • Security • Data Consistancy • System Maintenance
Table of contents Overview I/O Devices Communication DS Distributed DataBase • Replicated Database • Partitioned Database • Advantages and Disadvantages
Table of contents Overview I/O Devices Communication DS Client Server Computing • SQL Servers • Downsizing
Table of contents Overview I/O Devices Communication DS InterOrganisational Information Systems • Electronic Data Interchange • Electronic Market System
Table of contents Overview I/O Devices Communication DS Internet Communication • Internet Features • Browsing Documents • Searching for Document • Push v/s Pull Service • Internet Connection Problems • Sending E mail • Electronic Discussion Groups • Transfering Files • Running Progms on remote computers • Network Pcs and the Internet • Internet Telephony and Desktop conferencing
Table of contents Overview I/O Devices Communication DS INTRANET Communication • Desingned to provide many of the same features and benefits of the internet like: e-mail, File transfer, Document browsing etc
Table of contents Overview I/O Devices Communication DS Extranet Communication • Lies between Intranet and Internet • Allows organisation to connect to a wider group
Table of contents Overview I/O Devices Communication DS Office Communication • Electronic Mail System • Telephone Tag • Voice Processing System • Electronic Conferencing System • Audio Conferencing • Video Conferencing • Desktop Conferencing • Computer Conferencing • Fax System • The Virtual Office • Groupware Systems • Workflow Automation • The Paperless Office
Table of contents Overview I/O Devices Communication DS •
Table of contents Overview I/O Devices Communication DS •
Table of contents Overview I/O Devices Communication DS Reference • Management Information System - The Managers view Robert Schultheis Mary Sumner

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IT09 L24: MANAGEMENT INFORMATION SYSTEMS- Module 2

  • 1. Table of contents Overview I/O Devices Communication DS IT09 L24: MANAGEMENT INFORMATION SYSTEMS Viju P Poonthottam Asst. Professor Dept. of Information Technology MES CE Kuttippuram February 6, 2014
  • 2. Table of contents Overview I/O Devices Communication DS Table of contents Table of contents Overview I/O Devices Communication DS
  • 3. Table of contents Overview I/O Devices Communication DS Computer Systems • Super Computer • Mainframe Computers • MiniComputers • Micro computers • Professional workstations • Laptop,Notebook,palmtop etc • Network computers • Convergent Computers
  • 4. Table of contents Overview I/O Devices Communication DS Computer platform • The type of computer system you are using for your organisation’s task is often referred to as a computer Platform
  • 5. Table of contents Overview I/O Devices Communication DS CPU • Cenntral Processing Unit • Expansion slots • Single in-line memory modules(SIMMs) • Motherboard • Disk controller board • video board • power supply • Read only memory • CPU • Hard drive • Floppy drive
  • 6. Table of contents Overview I/O Devices Communication DS Using more than one processor • co processor • i/0 channels • multiprocessing Capacity • Parallel processing
  • 7. Table of contents Overview I/O Devices Communication DS Types of computer system processing • Online Transaction Processing(OLTP) • Batch processing
  • 8. Table of contents Overview I/O Devices Communication DS Secondary Storage Media And Devices • Disk • Tape
  • 9. Table of contents Overview I/O Devices Communication DS Disk • Floppy Tracks Sector Cylinders • Hard drives • Winchester drives • PC cards • Flash Memory
  • 10. Table of contents Overview I/O Devices Communication DS Accssing Data • seek time • head switching • rotational delay • transfer time
  • 11. Table of contents Overview I/O Devices Communication DS Acess Time • cylinder method of storage • Cache memory • Redundant Array of Inexpensive Disks System(RAID)
  • 12. Table of contents Overview I/O Devices Communication DS Optical Storage • CD-ROM Drive • DVD-ROM • WORM • Re writable optical disk syatem • Floptical Drives
  • 13. Table of contents Overview I/O Devices Communication DS Tape Storage • Magnetic Tape
  • 14. Table of contents Overview I/O Devices Communication DS Hierarchical Storage System • Combines hard drives optical drives and tape drives into a multi layered system for large data.
  • 15. Table of contents Overview I/O Devices Communication DS Input Devices • Scanner • Pointing Devices Mouse Track Ball Pointing Stick • Voice Recognition System • Card reader • Touch Screen • Digital Camera • Etc.
  • 16. Table of contents Overview I/O Devices Communication DS Output Devices • Display Screens • LCD Display • Printing Devices Impact Printes Non impact printers • Dot matrix printers • Laser Printer • ink-jet printer • Plotter • Voice Synthesizer • COM Recorder(Computer Output Microfilm)
  • 17. Table of contents Overview I/O Devices Communication DS Hardware Standards • Compatiability • Expandability • Reliability
  • 18. Table of contents Overview I/O Devices Communication DS Other Acquisition Issues • Timing the acquisition • Renting leasing • Deciding on the acquisition • Choosing a Hardware vendor • Installation, Maintenance, Training • Operating Cost and the environment • Ergnomics of computer workstations
  • 19. Table of contents Overview I/O Devices Communication DS Software • System Software • System Programmers • OS • Communication S/w • System Utility S/w
  • 20. Table of contents Overview I/O Devices Communication DS Operating System • Operating System • Resident Programs • Transient Programs • Multi Programming • Time Sharing Time Sharing • Multiprocessing Asymmetricmulti processing Symmetric Multi Processing • Parallel Processing • Virtual Storage
  • 21. Table of contents Overview I/O Devices Communication DS Software • Communication Software • Other System Software
  • 22. Table of contents Overview I/O Devices Communication DS Software • MicroComputer Opertating Systems • Single and multi tasking Operating System • Task Switching • Kernel • Utilities • Third party Software vendors • Hardware Dependence • Operating System Interface • Command line user interface • Graphical user interface • Windowing • Dynamic data exchange
  • 23. Table of contents Overview I/O Devices Communication DS Application Software • Custom versus Commercial software • Shareware and Freeware • Application Program Library • Portability • Single user multi user Programs • Categorising application software by use
  • 24. Table of contents Overview I/O Devices Communication DS Desktop Suites • Word Procesing • Spread Sheet • Database • Presentation • Addons • Other Application software types
  • 25. Table of contents Overview I/O Devices Communication DS Development Software • Programming Language • Machine Language • Assembly Language • Third Generation Language • Fourth generation language • Query Language
  • 26. Table of contents Overview I/O Devices Communication DS Report generators • Natural Language • Application Generators
  • 27. Table of contents Overview I/O Devices Communication DS Case Tools • Computer Aided Software Engineering
  • 28. Table of contents Overview I/O Devices Communication DS Programming • Object Oriented Programming • Visual Programming’
  • 29. Table of contents Overview I/O Devices Communication DS General Software Features and Trends • Graphical User interface • Windowing • Object linking and Embedding • Multi platform capability • Network capabilities • Licensing • Portability • Groupwork capabilities • compatiability with other software • compatiability with periferals • Ease of use
  • 30. Table of contents Overview I/O Devices Communication DS Ease of use • Readability of Output • Clarity of the menu • Help • Tutorials • Good GUI
  • 31. Table of contents Overview I/O Devices Communication DS Sophistication • Wizards and Agents • Ease of installation • Hardware Demands • memory requirements • Cost • Applets
  • 32. Table of contents Overview I/O Devices Communication DS Selecting Microcomputer Software • Step 1 - Identifying your application needs • Step 2 - Seeking the right sofware
  • 33. Table of contents Overview I/O Devices Communication DS Seeking the right sofware • Trade Association • Sofware companies • Software Database • The internet • Computer Magazines • Consultants
  • 34. Table of contents Overview I/O Devices Communication DS Selecting Microcomputer Software • Step 3 Choosing the software theat best fits your business Needs • Step4 Choosing the hardware • step 5 Choosing a software vendor
  • 35. Table of contents Overview I/O Devices Communication DS File And Database Management System • File Concept • Data element Field • Record
  • 36. Table of contents Overview I/O Devices Communication DS File Strctures • Sequential File Structure • Direct File Structure • Indexed Sequential file Structures • Inverted Files • Linked Files
  • 37. Table of contents Overview I/O Devices Communication DS File Structures and Processing Methods • Online real time Processing • Batch Processing
  • 38. Table of contents Overview I/O Devices Communication DS Database Concept • Data Independence • Redundancy • Consistance
  • 39. Table of contents Overview I/O Devices Communication DS Database Management System • Dbms is a collection of programms that , • Stores data in a uniform and consistent way • Organise • Acess
  • 40. Table of contents Overview I/O Devices Communication DS database management system • Stores data in a uniform and consistent way • Organise the data into records in a uniform and consistent way • Allow access to the data in a uniform and consistent way
  • 41. Table of contents Overview I/O Devices Communication DS Components of a Database Management System • Data Dictionary • Data Language • Tele Processing Monitors - Communication s/w that manages communication between database and remote terminal. • Application Development Tools • Security software • Archiving, Back ups, Recovery System • Report writers • Query Language • Multiple Platform Database • Web Server Software
  • 42. Table of contents Overview I/O Devices Communication DS Database Administrator • Planning • Design • Operation • Training • User Support • Security and Maintenance
  • 43. Table of contents Overview I/O Devices Communication DS Views of the DATA • Logical View • Physical View • The Schema - Logical view of a database • SubSchema
  • 44. Table of contents Overview I/O Devices Communication DS Database Models • Hierarchical database model - IBM’s Information Management System • Network database model • Relational database model • Object-Oriented database model
  • 45. Table of contents Overview I/O Devices Communication DS Hierarchical database model Figure: hierarchical database model
  • 46. Table of contents Overview I/O Devices Communication DS Network Database Models • Unlike Hierarchical model the nework model permits a record to be a member of more than one set at a time.
  • 47. Table of contents Overview I/O Devices Communication DS Network database model Figure: Network database model
  • 48. Table of contents Overview I/O Devices Communication DS Network & Hierarchical Database Models • Less Flexible • Require explicit relationships • Data processing one record at a time.
  • 49. Table of contents Overview I/O Devices Communication DS Relational Database Models • Data is organised into a series of two dimensional tables.
  • 50. Table of contents Overview I/O Devices Communication DS Object Oriented Database Models - OODB • With the development of Oop • Messages • Attributes • Inherit • Reusable Objects
  • 51. Table of contents Overview I/O Devices Communication DS Advantages of Database Management System. • Data Sharing • Reduced Data Redundancy • Improved Data Consistency • Data Independence • Increased Application Programmer and User Productivity • Improved Data Administration and Control • Increase Emphasis on Data as a Resource
  • 52. Table of contents Overview I/O Devices Communication DS Problems of Database Management System • Concurrency Problem • Resource Problems • Security Problem
  • 53. Table of contents Overview I/O Devices Communication DS Specialised DataBase • Intranet and Hypermedia Database • On-Line Database • Data Warehousing • Data Marts - Subset of data warehousing • On-line Analytical Processing • Image database • Document database
  • 54. Table of contents Overview I/O Devices Communication DS Data Warehousing - Major Components • The Data itself • The hardware and network infrastructure that provides storage and acees to the data. • The software that extracts data from its original source, convers it into an uniform format and places into the warehouse • Graphical query tools to permit dataminig of the warehouse contents. • A user guide to the contents of the data warehouse • warehouse management software for information systems personnel to maintain and upgrade the warehouse
  • 55. Table of contents Overview I/O Devices Communication DS Universal Database System • DBMS vendors have been enhancing their products to incorporate many datatypes These enhanced products are called univerasl database management system.
  • 56. Table of contents Overview I/O Devices Communication DS Communication System elements • Channel • Tele communication System
  • 57. Table of contents Overview I/O Devices Communication DS Communication Modes And Codes • Analog Transmission • Digital Transmission
  • 58. Table of contents Overview I/O Devices Communication DS Data Codes • ASCII • EBCDIC
  • 59. Table of contents Overview I/O Devices Communication DS Asynchronous Transmission • A Start bit • Seven bits to represent an ASCII coded character • A Parity bit • A stop bit
  • 60. Table of contents Overview I/O Devices Communication DS • Simplex • Half duplex • Full duplex
  • 61. Table of contents Overview I/O Devices Communication DS • Circuit Switching • Message Switching
  • 62. Table of contents Overview I/O Devices Communication DS Communication Media • Speed And Ccapacity • Twisted Pair • Coaxial Cable • Fiber Optics • Wireless • Wireless
  • 63. Table of contents Overview I/O Devices Communication DS Sources • Dial-up Telephone • Leased Telephone • Wireless Network
  • 64. Table of contents Overview I/O Devices Communication DS Network Components • Hosts or Server • Terminals or Workstation • Protocol Converters • Modems • Terminal Connection equipments • Network Connection equipment Switches, Routers, Bridge, Repeaters •
  • 65. Table of contents Overview I/O Devices Communication DS Network Topologies • Point to Point Star and Hierarchical Topologies • Multidrop Bus and Ring topologies • Mesh Topology
  • 66. Table of contents Overview I/O Devices Communication DS Network Types • LAN • WAN • Enterprise Network • International Network
  • 67. Table of contents Overview I/O Devices Communication DS Remote Access • Transfering Datafiles between microcomputers • Connecting your remote PC to your office Desktop • Connecting to the internet and On-Line database • Connecting to a remote local area Network • Connecting to a minicomputer or mainfarame
  • 68. Table of contents Overview I/O Devices Communication DS Reason for managers to implement Network • Sharing Peripherals • Sharing Data files • Sharing Applications • Reducing the cost • Connecting to Other Network • Capturind Data at its source • Increasing Productivity • Permitting Expansion • Increasing timely Communication • Increasing Management Control
  • 69. Table of contents Overview I/O Devices Communication DS Network Concerns for the Manager • Network Reliability • Response Time • Cost • Compatiability • Security
  • 70. Table of contents Overview I/O Devices Communication DS Voice System • PBXs • Centrex
  • 71. Table of contents Overview I/O Devices Communication DS Reason for implementing a PBX • Telephone keypad as a data terminal • Voice mail System
  • 72. Table of contents Overview I/O Devices Communication DS PBX Hardware and Software • Call Conferencing • Call directors • Network accsess hardware and software • Voice mail Software • Station Message detail recording software • Data entry software • Computer telephony integration
  • 73. Table of contents Overview I/O Devices Communication DS Reasons for implementing Disrtibuted Processing • Improved Response time • Reduced Cost • Improved Accuracy • Smoother growth • Increased reliability • Resource Sharing • Increased User Satisfaction
  • 74. Table of contents Overview I/O Devices Communication DS Distributed Processing Concerns for managers • Lack of professional MIS Staff • Standardisation • Documentation • Data Loss • Security • Data Consistancy • System Maintenance
  • 75. Table of contents Overview I/O Devices Communication DS Distributed DataBase • Replicated Database • Partitioned Database • Advantages and Disadvantages
  • 76. Table of contents Overview I/O Devices Communication DS Client Server Computing • SQL Servers • Downsizing
  • 77. Table of contents Overview I/O Devices Communication DS InterOrganisational Information Systems • Electronic Data Interchange • Electronic Market System
  • 78. Table of contents Overview I/O Devices Communication DS Internet Communication • Internet Features • Browsing Documents • Searching for Document • Push v/s Pull Service • Internet Connection Problems • Sending E mail • Electronic Discussion Groups • Transfering Files • Running Progms on remote computers • Network Pcs and the Internet • Internet Telephony and Desktop conferencing
  • 79. Table of contents Overview I/O Devices Communication DS INTRANET Communication • Desingned to provide many of the same features and benefits of the internet like: e-mail, File transfer, Document browsing etc
  • 80. Table of contents Overview I/O Devices Communication DS Extranet Communication • Lies between Intranet and Internet • Allows organisation to connect to a wider group
  • 81. Table of contents Overview I/O Devices Communication DS Office Communication • Electronic Mail System • Telephone Tag • Voice Processing System • Electronic Conferencing System • Audio Conferencing • Video Conferencing • Desktop Conferencing • Computer Conferencing • Fax System • The Virtual Office • Groupware Systems • Workflow Automation • The Paperless Office
  • 82. Table of contents Overview I/O Devices Communication DS •
  • 83. Table of contents Overview I/O Devices Communication DS •
  • 84. Table of contents Overview I/O Devices Communication DS Reference • Management Information System - The Managers view Robert Schultheis Mary Sumner