mis first lecture
TRANSCRIPT
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System
System is collection of components which
work together in order to achieve system goal
( The over all purpose of system is the goal of
system).
Components of System are
Input, Processing and Output
Example: Cybernetic System
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What is an Information System(IS)?
An Information system cab be defined technically as
a SET OF INTERRELATED COMPONENTS THAT
COLLECT( or Retrieve), PROCESS, STORE, AND
DISTRIBUTE INFORMATION TO SUPPORT DECISIONMAKING AND CONTROL IN AN ORGANIZATION. In
addition to supporting decision making,
coordination, and control, information system may
also help managers and workers analyze problems,visualize complex subjects, and create new products.
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Fundamental Roles of IS in Business
1. Support Business Processes
2. Support Decision Making
3. Support Competitive
Advantage
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The Components of IS
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Key System Applications in the
Organization
Because of DifferentInterests, Specialties,
and Levels in anOrganization, there
are different kind ofInformation Systems.
No Single system canprovide all theinformation an
Organization needs.
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Types of Management & Information
Systems
Strategic Level
Management Level
Knowledge Level
Operational Level
Senior
Managers
Middle
Managers
Knowledge & Data
Workers
Operational
Managers
Sales and Marketing Manufacturing Finance Accounting Human Resources
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Six Major Types of Systems
1- ExecutiveSupport SystemESS
2- ManagementInformation
Systems MIS
3- Decision SupportSystemsDSS
4- Knowledge WorkSystems
KWS
5- Office
AutomationSystems
OAS
6- TransactionProcessing Systems
TPS
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Executive Support Systems ESS
5-Year sales trend forecasting
5- Year Operating Plan
5-Year budget forecasting
Profit planning
Manpower planning
Strategic Level Systems
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Management Information Systems MIS
Sales Management
Inventory Control
Annual Budgeting
Capital Investment Analysis
Relocation Analysis
Management Level Systems
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Decision Support Systems DSS
Sales Region Analysis
Production Scheduling
Cost Analysis
Pricing/ Profitability Analysis
Contract Cost Analysis
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Knowledge Work Systems KWS
Engineering Workstations
Graphic Workstations
Managerial Workstations
Knowledge Level Systems
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Office Automation systems OAS
Word Processing
Image Processing
Electronic Calendars
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Transaction Processing Systems TPS
Machine Control ( Order Tracking, Order Processing, Sales & Marketing,Plant Scheduling, Material Movement Control, Manufacturing)
Securities Trading ( Cash Management and finance)
Payroll Processing (Account payable, Account receivable, and Accounting)
Compensation (Training & development, employees record Keeping, andHuman resources)
Operational Level Systems
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Characteristics of Information Systems
ESS Aggregate data,external; internal
Graphics;Simulations;
interactive
Projections;Response to queries
Senior managers
DSS Low-volume data;analytical models
Interactive;
simulations; analysis
Special reports;
decision analyses;
response to queries
Professional; staff
managers
MIS Summarytransaction data;high-volume data;
simple models
Routine reports;
simple models; low-level analysis
Summary and
exception reports
Middle Managers
KWS Designspecifications;
knowledge base
Modeling;
simulations
Models; graphics Professional
technical staff
OAS Documents;scheduling
Document;scheduling;
communication
Documents;schedules; mail
Clerical workers
TPS Transactions; events Sorting; listening;merging; updating
Detailed reports;
lists; summaries
Operations
personnel;
supervisors
Type of System Information
Inputs
Processing Information
Outputs
Users