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1、Chapter 11,Information Systems,11-2,Competencies (Page 1 of 2),Explain how organizations can be structured according to five functions and three management levels Describe how information flows in an organization Distinguish among a transaction processing system, a management information system, a d
2、ecision support system, and an executive support system,Page 314,11-3,Competencies (Page 2 of 2),Distinguish between office automation systems and knowledge work systems Explain the difference between data workers and knowledge workers,Page 314,11-4,Introduction,An information system is a collection
3、 of people, procedures, software, hardware, and data They all work together to provide information essential to running an organization,Page 317,11-5,Organizational Information Flow,Page 318,Information flows vertically and horizontally throughout an organization Information Systems support the natu
4、ral flow of information within an organizations structure 5 Functions Management Levels Information Flow,11-6,Five Functions of an Organization,Page 319,Accounting Marketing Human Resources Production Research,Return,11-7,Management Levels,Management in many organizations is divided into three level
5、s: Top, Middle, and Supervisors,Page 320,Return,11-8,Information Flow (Page 1 of 2),Each level of management has different information needs and the information flow supports meeting these needs Top Management Vertical, horizontal & external Middle Management Vertical & horizontal Supervisor Vertica
6、l-primarily,Page 321,11-9,Information Flow (Page 2 of 2),Page 321,11-10,Computer-Based Information Systems,Page 323,11-11,Transaction Processing Systems (TPS),Tracks operations Creates and records events in databases Also called data processing systems (DPS) One of the most essential uses of a TPS a
7、re accounting activities,Page 323,TPS database,11-12,Accounting Activities TPS,Sales order processing Accounts receivable Inventory and purchasing,Accounts payable Payroll General ledger,Page 324,11-13,Management Information Systems (MIS),Used to support middle managers Uses databases Integrates dat
8、a across areas Produces predetermined reports Periodic reports Exception reports Demand reports,Page 325,Management information system report,11-14,Decision Support Systems (DSS),Flexible tool for analyzing data Enables managers to get answers to problems Produces reports that do not have a fixed fo
9、rmat Must be easy to use Has four parts,Page 326,Query results for SALES QUOTA,11-15,Parts of a DSS,User Someone who makes decisions Could be you System software Operating system Easy to use Data Internal data External data Decision models,Page 327,11-16,Decision Models,Strategic models- assists top
10、 level management and long-range planning Tactical models - assists middle-management, financial and sales promotional planning Operational models - assists lower-level managers,Page 327,11-17,Executive Support Systems (ESS),Designed for top management and easy use Consists of sophisticated software
11、 Provides immediate access to a companys performance,Page 327,11-18,Other Information Systems,Information workers Data workers Secretaries Clerks Knowledge workers Engineers Scientist,Office automation systems (OASs) Project managers Videoconferencing systems Knowledge work systems (KWSs) Use specia
12、lized systems CAD/CAM,Page 329,11-19,Careers In IT,Information systems managers oversee the work of programmers, computer specialist, systems analysts, and other computer professionals Employers look for individuals with strong technical backgrounds with a masters degree in business and Strong leade
13、rship skills Excellent communication skills Information systems managers can expect to earn $72K - $118K annually,Page 331,11-20,A Look to the FutureOftentimes, More Information is Too Much Information?,Information overload Could have a negative effect on getting work done According to recent studie
14、s e-mail is the major source of information overload,How to handle e-mail Be selective Remove Protect Be brief Stop spam Dont respond,Page 332,11-21,Discussion Questions,Name and discuss the five common functions of most organizations. Discuss the roles of the three kinds of management in a corporation. What are the four m
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