Information%20System

1
Information System
2
?????? Information System ????????????????

• ???????????????????????????????????
  ???????????????????????????????????
• Emergence of the Global Economy
• Transformation of Industrial Economies

3
Information System ????????

• ??? ????????? (collect) ???????? (process)
  ??????? (store) ?????? (distribute) ????????
  ?????????????????????? ??? ?????????????????
  ????????????????????????????????????????
  ??????????? ?????????????????????

4
ENVIRONMENT
Customers
Suppliers
ORGANIZATION
INFORMATION SYSTEM
Input
Process
Output
Feedback
Competitors
Stockholders
Regulatory Agencies
5
Data ??????
Process
Information ????????
6

• ???????? (Information) ???????????????????????????
  ??????????????????????
• ?????? (Data) ????????????????????????????????????
  ????????? ?????????????????? ?????????????????????
  ????
• ?????????? (Input) ???????????????????????????????
  ? ?????????????????? ?????????????????????????????
  ????? (Information System)

7

• ??????????? (Processing) ????????????? ??????
  ????????? ?????? ?????????????????????????????????
  ??????????
• ?????????? (Output) ??????????????????????????????
  ????????????????? ??????????? ????????????????????
  ??????
• Feedback ?????????????????????????????????????????
  ?????????????????????????????????????????

8
?????? VS ???????????
Input
Output
??????
Process
Process
???????????
Input
Output
9
Computer based Information System
Information System
Manual Information System
10
Computer-Based Information Systems (CBIS)

• ??????????????? (Information System) ???????????
  ??????????? ??? software ??????????????
  ??????????????

11
Information System - A Business Perspective
Organization
Technology
Information Systems
Management
12
Information System

• Organization - ?????????????????????? ???????? IS
  ????????? Credit card
• Management - ?????????????? ??????????????????????
  ??????????????
• Technology - ?????????????????????????????????????
  ?????????? ??????????????

13
Technology

• Computer Hardware
• Computer Software
• Storage Technology
• Telecommunications

14
Groups Served
Level
Strategic Level
Senior Managers
Management Level
Middle Managers
Knowledge and Data Workers
Knowledge Level
Operational Level
Operational Manager
Sales and Marketing
Manufacturing
Accounting
15
????????? Information System
Strategic Level
Senior Managers
ESS
Management Level
Middle Managers
DSS, MIS
Knowledge and Data Workers
Knowledge Level
OAS, KWS
Operational Level
Operational Manager
TPS
Manufacturing
Accounting
Sales and Marketing
16
????????? Information System

• Operational-Level System
• Transaction Processing System(TPS) ????????
  ????????? ?????????????? ????????????? ???????????

17
????????? Information System

• Knowledge-Level System
• Office Automation Systems (OAS) ???????? Word
  Processing, Image Storage
• Knowledge Work Systems (KWS) ????????
  Computer-Aided Design, Graphics Workstations

18
????????? Information System

• Management-Level Systems
• Management Information Systems (MIS) ????????
  ??????????????? ?????????????????????
  ?????????????????
• Decision Support Systems (DSS) ????????
  ?????????????????? ????????????????
  ??????????????????

19
????????????????????? MIS

• MIS ??????????????????????????????????????????????
  ?????????????????????????????????????????
  ??????????????????????????????????????????????????
  ???????????
• MIS ????????????????? ?????? ??? ??????
  ????????????????????????????

20
????????????????????? MIS

• MIS ?????????????????
• MIS ?????????????????????????????
• MIS ??????????????????????????????????????????????
  ???
• MIS ?????????????????

21
????????????????????? MIS

• MIS ????????????????????????????
• ????????????????????? MIS ????????????????????????
  ?????????
• MIS ??????????????????????????? (?????????????)

22
?????????????? MIS
PRODUCT SALES ACTUAL PLANNED ACTUAL
VS REGION SALES PLANNED Microwave Northeast
4,066,700 4,800,000 0.85 South 3,778,112 3,750,
000 1.01 Midwest 4,867,001 4,600,000 1.06 West
4,003,440 4,400,000 0.91 TOTAL
16,715,253 17,550,000 0.95
23
????????????????????? DSS

• DSS ????????????????? ????????????????????????????
  ??????????
• DSS ????????????????????? Input ??? Output
• DSS ?????????????????????????????????? programmer

24
????????????????????? DSS

• DSS ?????????????????????????????????
  ????????????????????????????????
• DSS ??????????????????????????????????

25
????????? Information System

• Strategic-Level Systems
• Executive Support Systems (ESS) ??????????????? 5
  ?? ???????????? 5 ?? ?????????????? 5 ??
  ?????????? ?????????????

26
Organizational Level
Operational
Management
Knowledge
Strategic
Type of Decision
Structured
TPS
MIS
OAS
Semi- Structured
DSS
KWS
ESS
Unstructured
27
Interrelationships among systems
ESS
MIS
DSS
OAS
TPS