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Information Systems for Managers. By Prof. Brinda Sampat Introduction to Information Systems. What is Information ?. What is a System ?. An organized set of seemingly related data Method, or process of grouping things together. What is an Information System ?.

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information systems for managers

Information Systems for Managers

By Prof. BrindaSampat

introduction to information systems
Introduction to Information Systems

What is Information ?

What is a System ?

  • An organized set of seemingly related data
  • Method, or process of grouping things together
what is an information system
What is an Information System ?
  • Combination of users, technology, processes to complete a given goal
  • Integration of hardware, software, data, network & communication, processes & people
  • Organized system, which collects, transforms & disseminates information in an organization
    • E.g. ATM’s, airline reservation systems, course reservation systems, hospital management systems



example of an information system
Example of an Information system

Assigned a Bed, Doctor ,Nurse

Diagnosis : X-rays, CT Scans

Final Diagnosis, Cure, Discharge, Follow up, Insurance

  • Injury and trip to the hospital
  • Registration
  • Personal Information Into the System

Smart Hospitals :-

why is an is required
Why is an IS required ?

Growth in revenue

  • To cut down cycle time
  • To reduce inventory
  • Develop new products
  • Support business operations
  • Support managerial decision making
  • Support strategic planning
evolution of information systems
Evolution of Information Systems
  • Repetitive large volume transactions
  • Summarizing & organizing data in accounts, finance & personnel areas
  • MIS were introduced
  • Accessed, organized, summarized & displayed information for decision making
  • Produce predefined periodic reports
  • Support middle-level managers
  • Networking & electronic communication
  • OAS introduced.
  • CAD/CAM support available
  • DSS emerged tailored to provide specific solutions to problems
evolution of information systems1
Evolution of Information Systems
  • 1970
  • 1980
  • Top executives used EIS; provide critical information in the required format
  • Breakthrough in Artificial Intelligence lead to ES (Expert System)
  • IS & IT became integral part of business processes; helped organizations gain competitive advantage
  • Improve quality of information thus ensure accuracy o f input data
basic framework of a system
Basic Framework of a System

Input Feedback



basic framework of an information system
Basic Framework of an Information System

No deviation

Input , Processing, Output, Feedback , Control

Transform , storage

Display , reports, queries

Data, instructions



  • Processing
  • Classify
  • Arrange
  • Calculate




Environment (customers, suppliers, stock-holders, competitors)

approaches to processing
Approaches to Processing
  • Transactions are accumulated & stored in a group or batch
  • Stored till some reporting time or need to process it
  • Used in old systems where massive transactions occurred
  • e.g. Payroll, end of year reports

Approaches to Processing

  • Enters transactions which are linked directly to a computer
  • Transactions are processed immediately
  • Airline, Bar code reader, hotel reservation system
classification of information systems
Classification of Information Systems

Business System support the different functional areas by supporting decisions at both operations & management levels

business process re engineering
Business Process Re-engineering
  • BPR emphasizes on people & procedures
  • Is the analysis & redesign of workflow within & between enterprises
  • Michael Hammer & James Champy were the main proponents
  • Davenport’s 5 step approach to the BPR model is :
    • Develop the Business vision and process objectives
    • Identify the business processes to be redesigned
    • Understand & measure the existing processes
    • Identify IT levers
    • Design & build a prototype of the new process
test yourself

Test yourself !

From all the Chapters

question 1
Question 1
  • System prototyping helps the designer in

A. Making the programmers understand how the system will function

B. Communicating to the user, quickly, how the system, when developed, will look like and get a feedback

C. Giving a demo of the software, to the system manager to whom he reports

D. Both (a) and (b)

E. None of the above

question 2
Question 2
  • Which of the following systems implementation approaches should be used if you want to run the old system and the new system at the same time for a specified period?

A. Direct

B. Pilot

C. Parallel

D. Phased

E. None of the above

question 3
Question 3
  • A system design aid should primarily

A.Help analyze both data and activities

B. Help in documentation

C.Generate code

D. Using a graphical user interface

E. None of the above

question 4
Question 4
  • To reconstruct a system, which of the following key element(s) must be considered

A. Feedback and environment

B.Control and processors

C. Outputs and inputs

D. All of the above

E. None of the above

question 5
Question 5
  • What is the process of building a model that demonstrates the features of a proposed product, service, or system?

A. Prototyping

B. Prototype

C. Proof-of-concept prototype

D. Selling prototype

question 6
Question 6
  • User documentation and training are provided during which SDLC phase?

A. Maintenance

B. Analysis

C. Implementation

D. Integration

  • 1- B
  • 2-C
  • 3-A
  • 4-D
  • 5-A
  • 6-C