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Management Information Systems

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Title: Management Information Systems Author: BHA Last modified by: Panom_P Created Date: 12/1/2000 4:01:20 AM Document presentation format: On-screen Show – PowerPoint PPT presentation

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Title: Management Information Systems


1
Chapter 2
Information Technologies Concepts and Management
2
Learning Objectives
  • ????????????????????????? ? ??????????
    ?????????????????????????????????????
  • ????????? transaction processing ??? functional
    information systems
  • ????????? major internal support systems ???
    ??????????????????? managerial functions.
  • ???????????????????? IT ???????? supply chain
    ??????? CRM
  • ???????? information infrastructure ???
    architecture.
  • ??????????? client/server architecture,
    mainframe-based legacy systems, ??? P2P
    architecture ????????????????????????????????
  • ??????????????????? ? ??? Web-based information
    systems ???????????????????????????????????????
  • ????????? new computing environments.
  • ????????? information resources
    ??????????????????? ??? ???????? ISD ??? end
    users ??? ????

3
Building an E-Business At FedEx Corporation
  • The problem/opportunity
  • ?????????? FedEx ??????????????? ?
    ???????????????????????????????????? ?
    ??????????????????????????????????????????????????
    ???????????????????????????????????????????? ???
    ??????????????????????????????
  • ????????? ??????????????????????
    ??????????????????????????????????? ????????
    ??????????????????????????????????????????
  • FedEx ????? Goal ???????????? ???
  • ?) 100 customer service
  • ?) 0 downtime

4
  • IT Solution
  • Software Application ????????????????????
    e-Shipping Tools ???? Web application
    ???????????????????????????????????????? Web
  • ?????????? E-Commerce ??????????

5
(No Transcript)
6
  • Result
  • ??????????????????????????????????????????????????
    ????????
  • ????????????????????????????????????????????supply
    chain
  • ???????? ??? ?? Order cycle ??
  • ??????????? ??? ?????????????
  • ?????????????????????????????
  • FedEx ????????????? old-economy shipping company
    ?????? e-business logistic enterprise

7
  • Lesson Learned
  • ?????????????? e-business ????????????????????????
    ??????????????????????????????
  • ?????????????????

8
2.1 Information Systems Concepts and Definitions
  • ???????????? (Information SystemIS)
    ????????????????????? ? ????????? ??????
    ???????????? ??????????????????? ?
    ?????????????????? ??? ??????? ???????????????????
    ???????????????????????????????? (specific
    purpose)
  • Computer Based Information System (CBIS)
    ???????????????????????? ? ????
    ??????????????????????????????????????????????????
    ???????????? ???? ???????
  • ?????????????? ? ??? IS ??????
  • Hardware
  • Software
  • Database
  • Network
  • Procedure
  • People

9
Application Program
  • ??????????????? (Application Program)
    ??????????????????? ? ???????????
    ???????????????? ? ??????????????????? ????
    ??????????????????????? ?????????????? ????
    ?????????????????????????????????? ? ????????????
  • ?????????????????????????????????? ?
    ????????????????? ???????????????? ??????????
    departmental information system ????
    ???????????????????????????????????? ?
    ????????????????????????????? (Human resources)
    ?????????? Human resources information system
    (HRIS)
  • ??????????????????????????????????????????????????
    ????????? (electronic networks)
    ????????????????????????????? (wireline) ????
    ?????? (wireless) ?????

10
Enterprisewide information system (EIS)
  • ??????????????????????????????????????? ???
    ??????????????????????????????????????????????????
    ?????????????????????? ???????? Enterprisewide
    information system
  • ????????? Interorganizational information system
    ????????? ????????????????????????????????????????
    ???????????????? ??????????????????????????
  • ??????????????????????????????????????????????????
    ???? ???????????????????????? ????????????????????
    ?????????????????? ???? ???????????
    ???????????????????????? ??????(data)
    ????????(information) ??? ??????????? (know-
    ledge)???????

11
Data, Information, and Knowledge
  • ??????????? Data / Information ??? Knowledge
  • Data items ??????? ???????????????????????????????
    ????? ???????????? ???? ???? ????????? ? ????
    ???????????? ? ???? ???????????????????????????
    ?????????????????????????????????????
    ??????????????????????????????????? ?
    ???????????????? ??????????????????
  • Information ??????? ???????????????????????
    ????????????????????????????????????
  • Knowledge ??????? ?????? ???/????
    ???????????????????????????????????? ???
    ?????????? ?????????? ??????????
    ???????????????????? ??? ???? ??????????????
    ??????????????????????????????????????????????????
    ? ?????? KM ??????????
  • ????????????????????? ????????????????????????????
    ????? ???????????????
  • ????? ??????????????(?????)?????????????????
    ????????????????????????????????????

12
2.2 ??????????????????????????????????????
  • ???????????? ?????????????????????????????
  • 1) ????????????????????????? (organizational
    level)
  • 2) ??????????????????????????????????????????
    (support provided)

13
1) ?????????????????????????
  • ???????????????????????? ?????????????????????????
    ??????????????????????????????????????????????????
    ???????????? ???????????????????????????????????
    ??? ????????????????????????? ??? functional
    (departmental) , enterprisewide ???
    interorganizational
  • ?) Functional information systems
    ??????????????????????????????????????????????????
    ??(department)???????????????? ???? ????????
    Departmental IS
  • ?) Enterprise information systems
    ???????????????????????? ? ???? ????
    ?????????????? ???? ???????? Enterprisewide
    Information System (EIS) (????????????????? ?
    ???????? ??????? ?????????????????????????????????
    ???) ???????? ERP
  • ?) Inter-organizational systems
    ??????????????????????????????????????? ???????
    ???????????? Inter-Organizational IS (IOS)

14
Information System Classification By
Organizational Structure
An information system (IS) can span departments,
business units and corporations.
  • Departmental IS
  • Enterprise-Wide IS
  • Inter-Organizational IS

Information systems are usually connected by
means of electronic networks
15
Classification By Departmental Function
IS ???????????????????????????????(department)????
????????? ?(corporation) ????
  • Operations
  • Accounting
  • Finance
  • Marketing
  • Human resources

Point-of-Sale (POS)
Transaction Processing Systems (TPS) Automates
routine and repetitive tasks that are critical to
the operation of the organization
16
Departmental, corporate, and inter-organizational
IS
17
Information System - Classification By Support
Function
  • 5-year sales trend
  • Profit Planning
  • 5-year budget forecasting
  • Product development

Executive Support System
  • Sales Management
  • Inventory Control
  • Annual budget
  • Production Scheduling
  • Cost Analysis
  • Pricing Analysis

Management Information System Decision Support
System Intelligent Support Systems
  • Simulation
  • Pgm coding
  • System support
  • Word Processing
  • Desktop Publishing

Knowledge Management System Office Automation
System
  • Order Processing
  • Fulfillment
  • Material Movement
  • A/R, A/P, GL
  • Payroll
  • POS

Transaction Processing System
18
2) ??????????????????????????????????????????
(support provided)
  • ???????????????? 2.1

19
????????????????????????????? ? (1)
  • ???????????????????????????????????????????(??????
    1950) ??????????????????? ????? ?
    ????????????????????????????????????????????
    ???????????????????? ?????????????????????????????
    ???????????????????? ? ????????? ???????
    ????????????????????? ??????? ????????????????????
    ? ????????????????????? ???????????????? ? ???
    Transaction Processing Systems (TPSs)
  • Management Information Systems (MISs)
    ?????????????????? ????????? ?????? ???
    ???????????? ?????????????????????????????????????
    ???????? ? ????????? ???? ?
  • Office Automation Systems (OASs) ????????????
    word processing systems ?????? ???????????????????
    ???????????????????????????????????????

20
????????????????????????????? ? (2)
  • Decision Support Systems ????????????????????????
    ???????????????????????? ???????
    ??????????????????????????????????
  • End- user computing ?????????????????????????????
    ?? ? ??????????????? ?????????????????????????????
    ???????? ???? ???????????? ????????? ???
    ???????????? ????????????? ? ?????????????????????
    ? 1980 ???????????????????????? ???????????????
    (Supporting system) ????????????????????????? ???
    ?) ????????????????????????????? (Executive
    Support System) ??????????????????
    (Enterprisewide information system) ?)
    ???????????? (Group support system)

21
????????????????????????????? ? (3)
  • Intelligent Support System (ISSs)
    ?????????????????????????(expert systems)
    ??????????????????????????????????????????
    ??????????????????????????????????????????????
    ???????????? ?????????????????????????????????????
    ???????? (machine - learning) ???????????????????
    ???????????????????????????? ?????????????????
  • Knowledge Management Systems ????????????????
    ???????? ?????????????? ?????????????
    ??????????????? ??????????????????????????? ?
  • Data Warehousing ????? data warehouse ??????
    ????????? ?????????????????????????????????????
    DSS, ESS ??? ?????????????????????????????????????
    ?????
  • Mobile Computing ????????????????????????????????
    ??????????????????????? ??????????????????????????
    ???????????????? ?????????????????????????
    ???(wire line network) ?????????? (wireless
    network)

22
????????????????????????????? ? (4)
  • ??????????????????????????????????????????????????
    ???????????????????????????????????????????????
  • Electronic Data Interchange (EDI)
    ??????????????????????????????????????????????????
    ??? ????????????????????????????????????????????
    ??????????????????????????????????????????????????
    (Electronic market) ????????????? ????
    e-commerce
  • Customer Relationship Management (CRM)
    ??????????????????????????????
  • Web-based system ?????????????????????? 1990
    ??????????????? 2000

23
Integrated Support Systems
  • ????????????????????????? (stand alone)
    ??????????????????????????????????? ? ???????????
    ???? ???????????? DSS-ESS
  • ??????????????? A Close Look 2.1 Intelligent
    price setting in retailing ???? 58

24
2.3) Transaction Processing versus Functional
Information Systems
  • 1) Transaction Processing System (TPS)
  • TPS ?????????????????????????????????????????????
    ? ????????????????? ??????????????????????????????
    ??????????? ???????????? ???????????????
    ????????????? ????????????????????????
    Point-of-Sale ??? ?????????????????? ?????
    (Warehouse)
  • ??????????????????????????????????????????????????
    ?????????????? MIS ??? DSS ???????????????????????
    ??????? (Middle Management)
  • ???????????????????????????????????????
    ????????????????????????????? ????????????????????
    ???????????????????? (Value Chain)
  • ???????????? ????????????????????
    ????????????????????????? ? (transactions) ???
    ????????????????

25
Routine Business Transactions in a Manufacturing
Company (1)
  • Payroll and personnel
  • Employee time card
  • Employee pay and deduction
  • Payroll checks
  • Fringe benefit
  • Purchasing
  • Purchase orders
  • Deliveries
  • Payment (accounts payable)
  • Finance and accounting
  • Financial statement
  • Tax records
  • Expense account
  • Sales
  • Sales records
  • Invoices and billings
  • Accounts receivable
  • Sales returns
  • Shipping

26
Routine Business Transactions in a Manufacturing
Company (2)
  • Production
  • Production reports
  • Quality-control reports
  • Inventory management
  • Material usage
  • Inventory levels

27
  • 2) Functional Management Information Systems
  • ?????? TPS ?????????????????????????? ? ?????????
    ??? functional area ??????????????????????????????
  • Functional Management Information Systems
    ??????????????????????????? ??????????????????????
    ????????????????????????????? ???????????
    ????????? ????????? ????????? ???????????????? ?
    ????

28
2.4) How IT Supports Organizational Activities
  • ??????????????????????????????????????????????
    ??????????????????????? ????????????????(Clerical
    worker)??????????????????(office worker)
    ???????????????????? ??????????????????????????
    (operational layer) ??????????? (managerial
    layer) ????? ??????????????? (knowledge worker)
    ????????????? ????????????????? (strategic layer)
    ??????? ???????????????????????????????
    ?????????????????????????????????(??????????)?????
    ??????? ?
  • ????????????????????????? ????????????????????????
    ??????????????????? ???? ?????????
    ??????????????????????????????????????????????????
    ???????????? ?????????????????????????????
    ?????????????????????????????????????? ? ?? ????
    ?????????????? (?????????????????
    ???????????????????????) ???????

29
  • The Clerical Level and Office Level
  • ??????????????????????????????????????????????????
    ? ????????????????? ??????????????????????????????
    ?????? ???????????????????????????? ????????????
    ??? ???? ????????? ???? ?????????????
    ????????????? data worker ???????????????
    ??????????????????????????? ??????????????????????
    ?????? word processors, electronic file clerks
    ??? insurance claim processors.
  • The Operational Level
  • ??????????????????????? ???? first- line managers
    ??????????????????????????????? ???????????????
    (?????????????????????????) ??????????????????????
    ????? ????? ??????????????????????????????????????
    ?? ? ?? ???? ????????????????? ???????????????????
    ??????????????????????????

30
  • The Knowledge-Work Level
  • ?????????????????????????? advisor ???
    ??????????? ? ???????????????????????? ????????
    ????????????????????????????????????????????????
    ???????????? ???????????? ? ????????
    ????????????????????????????????? (knowledge
    workers) ?????????????????????????????????????????
    ??????? (?????????????????????? ?????????)
    ???????????????????????????????
  • The Strategic Level
  • ???????????????????????????????????? (the
    executive) ??????????????????????
    ??????????????????????????????????????????????????
    ???????????????????? ???????????????????????

31
  • ?????????????????????????????????????
    ?????????????
  • ?) Operational Activities ????????????????????????
    ????????? ???? ????????????? ??????? IS
    ????????????????? ? ??? TPS, MISs ??? Mobile
    systems ??????????????? Supervisors (first-line
    managers), operators ??? clerical employees
  • ?) Managerial Activities ???? ?????????? tactical
    activities ???? tactical decisions ?????????
    middle-management ???? ????????? ????????????
    ????????? ?????????? IS ????????????????? ? ???
    MIS
  • ?) Strategic Activities ??????????????????????????
    ???????????? ?????????? ??????????????
    ????????????????????? ??? ????????????????????????
    ???????? (initiator of change)

32
(No Transcript)
33
???????????????????????????????????
  • ???????????????????????????????????????
    ??????????????????????????????????????????????????
    ???? ??????????????????????????
  • 1) Transaction Processing System (TPS)
  • 2) Management Information Systems (MIS)
  • 3) Decision Support Systems (DSS)
  • 4) Intelligent Support Systems (ISS)
  • 5) Executive Support Systems (ESS)
  • 6) Office Automation Systems (OAS)
  • 7) Knowledge Management Systems (KMS)

34
1) Transaction Processing System (TPS)
  • TPS ?????????????????????????????????????????????
    ? ????????????????? ??????????????????????????????
    ??????????? ???????????? ???????????????
    ????????????? ????????????????????????
    Point-of-Sale ??? ?????????????????? ?????
    (Warehouse)
  • ??????????????????????????????????????????????????
    ?????????????? MIS ??? DSS ???????????????????????
    ??????? (Middle Management)
  • ???????????????????????????????????????
    ????????????????????????????? ????????????????????
    ???????????????????? (Value Chain)
  • ???????????? ????????????????????
    ????????????????????????? ? (transactions) ???
    ????????????????

35
2) Management Information Systems (MIS)
  • ??????????????????? ??????? ????????? ?????? ???
    ????????????????????? ????????????????????????????
    ?????????????????? ? ????????????? MIS ????????
    ???????????????????????? ?????? MIS
    ???????????????????????????????????????? ????
    ???????????????????? ???????????????????? ????
    ?????????????????? ????? ????????????????????????
    ???????
  • ???? ? ????????????? Replenishment, Pricing
    Analysis (Markdowns) ??? Sales Management
  • ????????????????????????????????????
  • ?????????????????????????????????????????????

36
3) Decision Support Systems (DSS)
  • ??????????????????????????????????????????????????
    ?????????????????? (complex non-routine)
  • ?????????????????????????????????????????????
  • ???? DSS ???????????? tactical level management
    ?????????????????????? ??? ??????????????????
    ????????????????? (what-if analysis)
    ???????????????????? ?????????
  • ??????????????????? ????????????????????????????
    ???????????????????????? ????????????
  • ????????????? DSS
  • Mathematical Modeling Simulation
  • Queries What-If (OLAP-Cubes)
  • Datamining

37
4) Intelligent Support Systems (ISS)
  • ?????????????????????? (artificial intelligence
    (AI)) ????????????????????? ????????
    (Intelligence)
  • ???????????????????????????? AI ???
    ??????????????? (Expert System ES)
    ??????????????????????????????????????????????????
    ???????????????????????????????????
    ????????????????????????????????????????? ????
    ??????????
  • ?????????????????????????? TPS (??????????????????
    ?????????) MIS ??? DSS (??????????????????????????
    ??) ????????? DSS ????????????????????????????
    ??????????? ??????????????????? ES
    ???????????????????????????????
    ?????????????????????????????????????????????????
    (built-in expertise and knowledge)

38
5) Executive Support Systems (ESS)
  • ???? ESS ???? Enterprise Information Systems
    (EIS) ??????? ???????????????? ???????? Senior
    management ???????????????????????????????????????
    ? ? ????????????
  • ??????? senior management level
    ????????????????????????????????? ????
    ??????????????????????????? ? ????????????????????
    ???????????????????????

39
6) Office Automation Systems (OAS)
  • ???????????????????????????? ?????????????????????
    ????????? ? ???????????? ???????? ?????? word
    processing systems, document management systems
    ??? desktop publishing systems
  • ???? OAS ?????????????????????????????????????????
    ?????????????????????? ??????? ??????????????????
    ?????????????????? ??????????????? ?????????????
    data workers.

40
7) Knowledge Management Systems (KMS)
  • ???????????????????????????????????? ???????????
    Top ??? middle ?????????? ???????????????????
    ???? ?????????????????????????????????????????????
    ???? ??????????????????? top ??? middle
    management
  • ??????????????????????????????????????????????????
    ??? ? (External Content) ????? ????????????????
    ??? ??????????????????????????????????????
    (Internal Content)
  • ???? KMS ???????????????????????????????
    ????????????????? Internet search engines ???
    expert systems ??????? Web-based computer-aided
    design ??? sophisticated data management systems

41
2.5 How IT Supports Supply Chains, CRM and PRM
Operations
  • Supply chain
  • ????????????? (supply chain) ?????????????? ?
    ?????????????????????????????? ? ????????????????
    ??? ????????????? ? ??????????????????????????????
    ??? ????????? ??? ?????????????????? (warehouse)
    ???????????????????? (end customer) ????????????
    ??????????????????????????????????? ???????? ???
    ????????????? ? ??????????? end customer ????
  • Supply Chain ?????????????????? ???
  • 1) Upstream supply chain ?????????????????????????
    ??? First Tier ????? ?????????? procurement

42
  • 2) Internal supply chain ??? ?????????????????????
    ????????????????????????????????? ??????
    production management, manufacturing ???
    inventory control
  • 3) Downstream supply chain ???????????????????????
    ?????? ?????????? ???????? ??? ???????????????????
    ???
  • ?????? IT ????????????????????????????????????????
    ?? ???????????????????????????????? Supply Chain
    ??????? ???????????????????? ? 2
    ????????????????????????????????????????
    ???????????????????????????? ???????????
    enterprise resource planning ( ERP),
    ????????????????? Supply Chain Management (SCM)

43
Downstream SC
Internal SC
Upstream SC
44
Inter-Organizational Systems (IOS)
  • IOS ??????????????????????????????????????????????
    ????????? ????????????????????????????????????????
    ???????????????????????????????? e-commerce ????
    ??????????????????????????????????? supply chain
  • First type of IT system ?????????????????? 1980
    ??????????????????????????????????????????????????
    electronic data interchange (EDI)
  • Web-based systems (many using XML) ??????????????
    business applications ??????? Internet ?????????
    browsers ??? Internet ????????????????????????????
    ????? ???????????? ??????????????????????

45
Inter-Organizational Systems (IOS)
Two or more organizations
46
2.6 Information Systems Infrastructure and
Architecture
  • Information Technology Infrastructure
  • ???????????? IT ????????????
  • ??????????????????????????????? ? ??????????????
    ? ??? IT ???????????? ???????? ? ??? IT, ???
    ????????????? IT ?????????????????????????????????
    ?????
  • ???????? ? IT Infrastructure ??????
    ??????????????????????? 1) ?????????????
    2)????????? 3) ???????????????????????????????????
    ??????????? 4) ????????? 5)???????????????????????
    ?????????? ??? ???????? ????????????? IT ??????
    ???? ???????????????????????? ??? ????????????
    ??????????????????????????
  • ?????????? IT Infrastructure ?????????????????????
    ????? ????????????????? ???????? ??????
    ?????????????? ??????????????? ??????????????????
    ? ???????????? ??? ?????? ???

47
Information Infrastructure (?????????????)
  • 1) Hardware
  • 2) Software
  • 3) Networks communication facilities
  • 4) Databases
  • 5) IS personnel

48
  • ?????????????? IT (Information technology
    architecture) ??????? ??????????
    ??????????????????? ? ????????????????????
    ?????????????????????????????????? ?
    ?????????????????????????????????????????????????
    ????????????????? (blueprint)?????????????????????
    ?????? ???????????????????? ???????????? IT
    ????????????? ? ??????????????????????????????????
    ?????? ?????????????? IT architecture
    ????????????????????????????????????????? ??????
  • ????????????????????????????? ???????
    ????????????????? ????????? ? ??? ??????
    ??????????? IT ???????????????? (????????)
  • IT infrastructure ?????????????
    ??????????????????? ??? ????????????????????? ?
    ???????? ?????????? ?????????????????????????
    ???????????? ? ????????????? ?????????????????????
    ??????????

49
Information Technology (IT)
  • ???? Information Technology ???? IT
    ?????????????????????????????????? ?????????
    ????????????????? ??????????????????????? ?
    ??????
  • IT ??????? ???????????????????????????????????????
    ??????? ?????????????? ?????????????? ???
    ?????????????????????????????????? ??????? ??????
    ???????????? IT ??? ???????????????? ?
    ??????????????????? ?
  • ????????????? ????????????????????????????
    information system

50
Information Architecture According to Computing
Paradigms (Environments)(?????????????????????)
  • Computing Environment ????????????????????????????
    ???????????? ????????? (hardware, software, ???
    communications technology) ???????????????????????
    ?? ??????? ???????????????????????????????????????
    ??????? (optimal efficiency and effectiveness)
  • 1) Mainframe Environment ????????????????????
  • 2) PC Environment
  • PC-LANs
  • Wireless LANs (WLAN)
  • 3) Distribution Computing ???????
    ??????????????????????????????????????
    ?????????????????????????????? ???????????????????
    ?????????????? ??????? ???????????????????????????
    ???? ? ???????????????? ????????????????????
    (distributed processing) ??????????????? IT at
    Work 2.1 Flexible IT ARCHITECTURE AT CHASE
    MANHATTAN BABK

51
  • ?) Client / server architecture
  • ?????????????? distributed architecture ????????
    distributed computing units ????????????????????
    ? ??? ????????? (client) ??? ??????????? (server)
    ????????? ??????????????????????????? ?
  • ????????? (Client) ??? ???????????????????????
    (???? PC ??????????????????????????)
    ??????????????????(access) ??????????????? ?
    ????????????????????????? (shared network
    resources)
  • ??????????? (Server) ??? ?????????????????????????
    ??????????????????????????????? /
    ?????????????????? ????????????????????????? ?
    ??????????????

52
  • ?) Enterprise wide computing ??????? Computing
    environment ???????????? client/ server
    architecture ????????????????????
  • ?) Legacy system ????????????????????????????????
    ???????????????????????????????????
    ????????????????????????????????????????? ?
  • ?) ??????-??-?????? (Peer- to Peer (P2P))
    ??????? distribute computing network
    ????????????????? client/server computer
    ????????????????? ? ??????? (shares files) ????
    ??? computer resources directory ???????????????
    ? ???????????????????????? ???????????????????????
    (central service) (????????? traditional client/
    server architecture).

53
2.7 Web-Based Systems (Information Architecture
?????????????)
  • ???????????? (Web based systems) ???????
    ????????????????????? ? ???? ?????????????????????
    ???????????????????????????????? web browser
    ????? ? ??? ??????????????????????????????????????
    ??????????????????
  • ???????????? (Internet ( the Net)) ???????
    ?????????????????????????????? ???
    ??????????????????????????????????? ?
    ??????????? ???????????????? ?????????????????????
    ???????????????????????????
  • Information Superhighway ???????
    ??????????????????????????????????? (fiber-optic-
    based network) ??? wireless infrastructure
    ???????????????????????????????? ????????????? ?
    ???????????

54
World Wide Web/Internet/Extranet
  • World Wide Web
  • ??????????????????????????????????????????????????
    ?????????????????????? ??? ??????????????????????
    ?????????? storing, retrieving formatting ???
    displaying information ??????? client/server
    architecture
  • Intranet
  • ???????????????????????????? ? ???????????????????
    ??? ? ??? web ???? ????????? (browser) ???
    ???????????????????? ?????????????????????????
    ??????? security gateway ???? firewall ???????
  • Extranet
  • ????????????????????????????????????? ?
    ?????????????????????????? ? ??????
    ??????????????????????????? ?????????????
    ?????????????????????????? ???? ?????????????????
    ?????????? ?????????????????????????

55
Corporate portal
  • Web sites ???????????? gateway ???????????????????
    ??????????? access ?????? ? ?????
    ???????????????????????????????????? ? ??????????
    ???????????? ?????????????
  • Corporate portals ????????????????????????????????
    ???????????????????? ??????? ???? ??????
  • Intranets ??? Extranets ????????????????????
    corporate portal ??? ?????????? ????????????????
    corporate portal ???????

56
Web-Based E-Commerce Systems
  • Electronic Storefront Web (????????????????????
    showroom ???? physical store ???????????????????)
    ????????????????????????? e-business
    ????????????????? ???/???? ????????????
  • Electronic market ?????????????????????????? ?
    ??????????? ????????? ??????????????
    ????????????? ???????? ???????????????????????????
    ???? ? ??? ???????????
  • Electronic exchange Web based public electronic
    market ????? ? ??????????????? ? ??? ???
    ?????????? ? ?????????????????????????????????????
    ????
  • Mobile commerce ??????? ??? ???????????????????
    ? ??????????????????? ????????????????
    ??????????????? IT at Work 2.2 Wireless Pepsi
    increases productivity

57
Web-Based E-commerce cont
  • Location based commerce ???????????????
    Mcommerce ????????????????? ?????????? ?
    ???????????????? ? ??????????????
    ?????????????????????????
  • Enterprise Web Web application
    ?????????????????????????????????? ???
    ????????????(service)??? different vendors ??????
    technology layer ???????? ?????????????? platform
    ??? business systems.
  • ???????????????????? Electronic Storefront
    ??????????? ???????????? ??????
    ?????????????????????????? (Store) ??????????
    ????????????????????? ??? (???????????
    Brick-and-Mortar ???????) ????????
    ???????????????? H/W ??? S/W (????????
    Click-and-Mortar)

58
Traditional store (Brick-and-Mortar)
????????????? ????????????????????????????????????
????????? ???????????????????????????
59
Structure of Electronic Storefront (H/W)
????????????? ????????????????????????????
Electronic Storefront ????????????????
60
Structure of Electronic Storefront (S/W)
????????????? ????????????????????????????
Electronic Storefront
61
2.8) Emerging Computing Environment
  • Utility computing ???????????????????????????????
    ??????????????????? ???????????
    (????????????????????????????????????)
    ????????????????? ?????????????? virtual
    utilities ??????????
  • Subscription computing Utility computing
    ???????????????????????? ?????????? computing
    platform ???????? ?????????????
    (??????????????????????????? ?) ??????
    ??????????????????????????????????????????????
  • Grid computing ??????????????????????????????????
    ? ? ??????? unused processing cycles??????????????
    ???? ? ???????? ??????????????????????????????????
    ?????????????
  • Pervasive computing ???????????? ?
    ?????????????? ? ??????? (??????????) ???????
    ??????????????????????????????????????????????????
    ? ??? ? ??????

62
Emerging Computing cont
  • Web services ????????? ? ????????????????????????
    ???????????????????? ???????????????????(prefabric
    ated) ??????????????????????????
    ???????????????????? ?????????????? ?
    ?????????????????????? ???????????????????????????
    ?? ? ?????? ??????? ??????????????????????????????
    ?????????????? ? ??????????

63
2.8 Managing Information Resources (1)
  • Managers checklist (page 78)
  • Tradition Major IS Function
  • 1) Managing systems development and systems
    project management
  • 2) Managing computer operations, including the
    computer center
  • 3) Staffing, training and developing IS skills
  • 4) Providing technical services

64
Managing Information Resources (2)
  • Managing Security
  • 1) Educating the non-IS managers about IT
  • 2) Educating the IS staff about the business
  • 3) Supporting end-user computing

65
Managing Information Resources (3)
  • New (Additional) Major IS Functions
  • 1) Initiating and designing specific strategic
    information systems
  • 2) Infrastructure planning, development, and
    control
  • 3) Incorporating the Internet and electronic
    commerce into the business
  • 4) Managing system integration including the
    Internet, intranets and extranets
  • 5) Partnering with the executive level that runs
    the business
  • 6) Managing outsourcing
  • 7) Proactively using business and technical
    knowledge to send innovative ideas about IT
  • 8) Creating business alliances with vendors and
    IS departments in other organizations
  • 9) Providing new computing environments (e.g.
    wireless)

66
MANAGERIAL ISSUES
  • The transition to e-business.
  • ????????????????????? networked-computing-based
    e-business ??????????????????????? E-business
    ??????? client/ server architecture, intranet,
    Internet connection, e-commerce policy and
    strategy ?????????????????????????????????????????
    ??????????????????? ??????? ??????????????????????
    ?????????? ???????????? ??????????????
    Information Technology ???????????????????????
    ??????????????????

67
MANAGERIAL ISSUES Continued
  • From legacy systems to client/server to
    intranets, corporate portals, and Web-based
    systems.
  • ??????????? ? ???????????????? ?????????????
    ????????? ??????????? ????????????????????????????
    ? legacy systems ?????? Web-based client/server
    enterprise-wide architecture ?????????????????????
    ????????????? Web-based client/server
    ?????????????????????????????????
    ??????????????????????????????????????????????????
    ???? ?????????????? intranets ?????????????
    client/server ?????????? ???????????? new
    architecture ?????????? new infrastructure
    ??????????????????????????????? legacy systems
    ???????????????????? people, quality of work, ???
    budget ??????????????????????????????? wireless
    infrastructure.

68
MANAGERIAL ISSUES Continued
  • How to deal with the outsourcing and utility
    computing trends. Outsourcing ??????????????
    ????? ??????????? ?????????? ??????????????????
    ???????????????? ?????????????????????????????????
    ?? utility computing
  • How much infrastructure?
  • ???????????????????? information system
    applications ?????????????????????? intangible
    benefits ??? technology ??????????????????????????
    ??????????????????? ????????????????????
    infrastructure ???????????????????????????????????
    ???????????????????????????????????????
    ??????????????????????????????????????????????????
    ??????????????? ????????? Basic architecture
    ?????????????? ?????????????? ????????????????? ?
    ???????????????

69
MANAGERIAL ISSUES Continued
  • The roles of the ISD (Information System
    Department) and end users.
  • ???????? ISD ?????????????? ??????????????????????
    ?????????????? ??????????????? ISD
    ???????????????????????????????????????????
    ??????????????????????????????????????????????????
    ????????????????????????????????????????????????
    IT application ???? ? ???????? ???????
    ???????????????????????? end-user computing
    ????????????????????????? ????? end user
    ???????????? ??????????????????????
    ????????????????????????? ???????????? end user
    ??????????????????????????????????????????? IT

70
MANAGERIAL ISSUES Continued
  • Ethical issues
  • ??????????????? ISD ?????????? end users
    ??????????????????????????????????????????????
    ???? ??????????????? ISD ?????????????????????????
    ???????????????? ?????????????????????????????????
    ????????????????????????? ???? ???????????????????
    ??????????????
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