Title: Management Information Systems
1Chapter 2
Information Technologies Concepts and Management
2Learning 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 ??? ????
3Building 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 ????????????????????????
?????????????????????????????? - ?????????????????
82.1 Information Systems Concepts and Definitions
- ???????????? (Information SystemIS)
????????????????????? ? ????????? ??????
???????????? ??????????????????? ?
?????????????????? ??? ??????? ???????????????????
???????????????????????????????? (specific
purpose) - Computer Based Information System (CBIS)
???????????????????????? ? ????
??????????????????????????????????????????????????
???????????? ???? ??????? - ?????????????? ? ??? IS ??????
- Hardware
- Software
- Database
- Network
- Procedure
- People
9Application Program
- ??????????????? (Application Program)
??????????????????? ? ???????????
???????????????? ? ??????????????????? ????
??????????????????????? ?????????????? ????
?????????????????????????????????? ? ????????????
- ?????????????????????????????????? ?
????????????????? ???????????????? ??????????
departmental information system ????
???????????????????????????????????? ?
????????????????????????????? (Human resources)
?????????? Human resources information system
(HRIS) - ??????????????????????????????????????????????????
????????? (electronic networks)
????????????????????????????? (wireline) ????
?????? (wireless) ?????
10Enterprisewide information system (EIS)
- ??????????????????????????????????????? ???
??????????????????????????????????????????????????
?????????????????????? ???????? Enterprisewide
information system - ????????? Interorganizational information system
????????? ????????????????????????????????????????
???????????????? ?????????????????????????? - ??????????????????????????????????????????????????
???? ???????????????????????? ????????????????????
?????????????????? ???? ???????????
???????????????????????? ??????(data)
????????(information) ??? ??????????? (know-
ledge)???????
11Data, Information, and Knowledge
- ??????????? Data / Information ??? Knowledge
- Data items ??????? ???????????????????????????????
????? ???????????? ???? ???? ????????? ? ????
???????????? ? ???? ???????????????????????????
?????????????????????????????????????
??????????????????????????????????? ?
???????????????? ?????????????????? - Information ??????? ???????????????????????
???????????????????????????????????? - Knowledge ??????? ?????? ???/????
???????????????????????????????????? ???
?????????? ?????????? ??????????
???????????????????? ??? ???? ??????????????
??????????????????????????????????????????????????
? ?????? KM ?????????? - ????????????????????? ????????????????????????????
????? ??????????????? - ????? ??????????????(?????)?????????????????
????????????????????????????????????
122.2 ??????????????????????????????????????
- ???????????? ?????????????????????????????
- 1) ????????????????????????? (organizational
level) - 2) ??????????????????????????????????????????
(support provided)
131) ?????????????????????????
- ???????????????????????? ?????????????????????????
??????????????????????????????????????????????????
???????????? ???????????????????????????????????
??? ????????????????????????? ??? 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)
14Information 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
15Classification 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
16Departmental, corporate, and inter-organizational
IS
17Information 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
182) ??????????????????????????????????????????
(support provided)
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
23Integrated Support Systems
- ????????????????????????? (stand alone)
??????????????????????????????????? ? ???????????
???? ???????????? DSS-ESS - ??????????????? A Close Look 2.1 Intelligent
price setting in retailing ???? 58
242.3) Transaction Processing versus Functional
Information Systems
- 1) Transaction Processing System (TPS)
- TPS ?????????????????????????????????????????????
? ????????????????? ??????????????????????????????
??????????? ???????????? ???????????????
????????????? ????????????????????????
Point-of-Sale ??? ?????????????????? ?????
(Warehouse) - ??????????????????????????????????????????????????
?????????????? MIS ??? DSS ???????????????????????
??????? (Middle Management) - ???????????????????????????????????????
????????????????????????????? ????????????????????
???????????????????? (Value Chain) - ???????????? ????????????????????
????????????????????????? ? (transactions) ???
????????????????
25Routine 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
26Routine 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
??????????????????????????? ??????????????????????
????????????????????????????? ???????????
????????? ????????? ????????? ???????????????? ?
????
282.4) 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)
341) Transaction Processing System (TPS)
- TPS ?????????????????????????????????????????????
? ????????????????? ??????????????????????????????
??????????? ???????????? ???????????????
????????????? ????????????????????????
Point-of-Sale ??? ?????????????????? ?????
(Warehouse) - ??????????????????????????????????????????????????
?????????????? MIS ??? DSS ???????????????????????
??????? (Middle Management) - ???????????????????????????????????????
????????????????????????????? ????????????????????
???????????????????? (Value Chain) - ???????????? ????????????????????
????????????????????????? ? (transactions) ???
????????????????
352) Management Information Systems (MIS)
- ??????????????????? ??????? ????????? ?????? ???
????????????????????? ????????????????????????????
?????????????????? ? ????????????? MIS ????????
???????????????????????? ?????? MIS
???????????????????????????????????????? ????
???????????????????? ???????????????????? ????
?????????????????? ????? ????????????????????????
??????? - ???? ? ????????????? Replenishment, Pricing
Analysis (Markdowns) ??? Sales Management - ????????????????????????????????????
- ?????????????????????????????????????????????
363) Decision Support Systems (DSS)
- ??????????????????????????????????????????????????
?????????????????? (complex non-routine) - ?????????????????????????????????????????????
- ???? DSS ???????????? tactical level management
?????????????????????? ??? ??????????????????
????????????????? (what-if analysis)
???????????????????? ????????? - ??????????????????? ????????????????????????????
???????????????????????? ???????????? - ????????????? DSS
- Mathematical Modeling Simulation
- Queries What-If (OLAP-Cubes)
- Datamining
374) Intelligent Support Systems (ISS)
- ?????????????????????? (artificial intelligence
(AI)) ????????????????????? ????????
(Intelligence) - ???????????????????????????? AI ???
??????????????? (Expert System ES)
??????????????????????????????????????????????????
???????????????????????????????????
????????????????????????????????????????? ????
?????????? - ?????????????????????????? TPS (??????????????????
?????????) MIS ??? DSS (??????????????????????????
??) ????????? DSS ????????????????????????????
??????????? ??????????????????? ES
???????????????????????????????
?????????????????????????????????????????????????
(built-in expertise and knowledge)
385) Executive Support Systems (ESS)
- ???? ESS ???? Enterprise Information Systems
(EIS) ??????? ???????????????? ???????? Senior
management ???????????????????????????????????????
? ? ???????????? - ??????? senior management level
????????????????????????????????? ????
??????????????????????????? ? ????????????????????
???????????????????????
396) Office Automation Systems (OAS)
- ???????????????????????????? ?????????????????????
????????? ? ???????????? ???????? ?????? word
processing systems, document management systems
??? desktop publishing systems - ???? OAS ?????????????????????????????????????????
?????????????????????? ??????? ??????????????????
?????????????????? ??????????????? ?????????????
data workers.
407) 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
412.5 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)
43Downstream SC
Internal SC
Upstream SC
44Inter-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 ????????????????????????????
????? ???????????? ??????????????????????
45Inter-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 ?????????????????????
????? ????????????????? ???????? ??????
?????????????? ??????????????? ??????????????????
? ???????????? ??? ?????? ???
47Information 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 ?????????????
??????????????????? ??? ????????????????????? ?
???????? ?????????? ?????????????????????????
???????????? ? ????????????? ?????????????????????
??????????
49Information Technology (IT)
- ???? Information Technology ???? IT
?????????????????????????????????? ?????????
????????????????? ??????????????????????? ?
?????? - IT ??????? ???????????????????????????????????????
??????? ?????????????? ?????????????? ???
?????????????????????????????????? ??????? ??????
???????????? IT ??? ???????????????? ?
??????????????????? ? - ????????????? ????????????????????????????
information system
50Information 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).
532.7 Web-Based Systems (Information Architecture
?????????????)
- ???????????? (Web based systems) ???????
????????????????????? ? ???? ?????????????????????
???????????????????????????????? web browser
????? ? ??? ??????????????????????????????????????
?????????????????? - ???????????? (Internet ( the Net)) ???????
?????????????????????????????? ???
??????????????????????????????????? ?
??????????? ???????????????? ?????????????????????
??????????????????????????? - Information Superhighway ???????
??????????????????????????????????? (fiber-optic-
based network) ??? wireless infrastructure
???????????????????????????????? ????????????? ?
???????????
54World Wide Web/Internet/Extranet
- World Wide Web
- ??????????????????????????????????????????????????
?????????????????????? ??? ??????????????????????
?????????? storing, retrieving formatting ???
displaying information ??????? client/server
architecture - Intranet
- ???????????????????????????? ? ???????????????????
??? ? ??? web ???? ????????? (browser) ???
???????????????????? ?????????????????????????
??????? security gateway ???? firewall ??????? - Extranet
- ????????????????????????????????????? ?
?????????????????????????? ? ??????
??????????????????????????? ?????????????
?????????????????????????? ???? ?????????????????
?????????? ?????????????????????????
55Corporate portal
- Web sites ???????????? gateway ???????????????????
??????????? access ?????? ? ?????
???????????????????????????????????? ? ??????????
???????????? ????????????? - Corporate portals ????????????????????????????????
???????????????????? ??????? ???? ?????? - Intranets ??? Extranets ????????????????????
corporate portal ??? ?????????? ????????????????
corporate portal ???????
56Web-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
57Web-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)
58Traditional store (Brick-and-Mortar)
????????????? ????????????????????????????????????
????????? ???????????????????????????
59Structure of Electronic Storefront (H/W)
????????????? ????????????????????????????
Electronic Storefront ????????????????
60Structure of Electronic Storefront (S/W)
????????????? ????????????????????????????
Electronic Storefront
612.8) Emerging Computing Environment
- Utility computing ???????????????????????????????
??????????????????? ???????????
(????????????????????????????????????)
????????????????? ?????????????? virtual
utilities ?????????? - Subscription computing Utility computing
???????????????????????? ?????????? computing
platform ???????? ?????????????
(??????????????????????????? ?) ??????
?????????????????????????????????????????????? - Grid computing ??????????????????????????????????
? ? ??????? unused processing cycles??????????????
???? ? ???????? ??????????????????????????????????
????????????? - Pervasive computing ???????????? ?
?????????????? ? ??????? (??????????) ???????
??????????????????????????????????????????????????
? ??? ? ??????
62Emerging Computing cont
- Web services ????????? ? ????????????????????????
???????????????????? ???????????????????(prefabric
ated) ??????????????????????????
???????????????????? ?????????????? ?
?????????????????????? ???????????????????????????
?? ? ?????? ??????? ??????????????????????????????
?????????????? ? ??????????
632.8 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
64Managing 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
65Managing 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)
66MANAGERIAL 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 ???????????????????????
??????????????????
67MANAGERIAL 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.
68MANAGERIAL 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
?????????????? ?????????????? ????????????????? ?
???????????????
69MANAGERIAL 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
70MANAGERIAL ISSUES Continued
- Ethical issues
- ??????????????? ISD ?????????? end users
??????????????????????????????????????????????
???? ??????????????? ISD ?????????????????????????
???????????????? ?????????????????????????????????
????????????????????????? ???? ???????????????????
??????????????