Introduction to MIS

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Introduction to MIS
2
Information systems
ORGANIZATIONS
TECHNOLOGY
MANAGEMENT
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Model of an Information System
H/W
S/W
DATA
INFORMATION
People
Procedures
Stored Data
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System Concepts

• System
• Integrated set of components
• Interact to achieve a particular function or
  goal.
• They have boundaries, outputs and inputs, methods
  of converting inputs into outputs, and system
  interfaces.
• They are composed of interrelated and
  interdependent subsystems.

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System Concepts

• System Boundaries
• System boundary defines its scope of activities
• It delineates an area of responsibility
• Subsystems
• A system can have numerous subsystems.
• Each of which has elements, interactions and
  objectives.
• In business system, various functions are
  subsystems.

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System Concepts

• Inputs and outputs
• A system or subsystem are organized to produce
  outputs from inputs with some value or utility.
• Example A training program should produce
  trained employees with certain skills, knowledge,
  or behavior from its inputsuntrained employees.

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Typical Subsystem- An example
INPUT Students without computer literacy
OUTPUT Students with Programming Skills
Subsystem A
Subsystem B
Introduction to Data Processing
Students with Computer Literacy
C Programming
O/p From A
I/p to B
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IPO Model
INPUT
OUTPUT
PROCESS
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Information System in Organization
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• For each of the following system, identify the
  inputs, processes, outputs and sub-systems.
• GROUP I-A I-B - DMart
• GROUP II-A II-B -Pizza Hut
• GROUP III-A III-B - TIMSR Library
• GROUP IV-A IV-B - McDonald's
• GROUP V-A V-B HP Petrol Pump
• GROUP VI-A VI-B - Shoppers Stop
• GROUP VII-A VII-B PVR Cinema
• GROUP VIII-A VIII-B HDFC ATM
• GROUP IX-A IX-B Sai Service Station
• GROUP X-A X-B EVOKE- Annual Festival