Decision Support System

Decision is a choice from two or more

alternatives.

Is the first part of problem solving

exercise.

Two types:

Programmed.

Non programmed.

Computer-based information system.

Supports business or organizational

decision-making activities.

DSSs serve the management, operations,

and planning levels of an organization.

Increasing complexity of decisions

Technology

Information

Number and complexity of options

Pace of change

Increasing availability of computerized support

Inexpensive high-powered computing

Better software

More efficient software development process

Increasing usability of computers

Transaction Processing System

Management Information System

External Data

Database

DSS Software

User Interface

User

6

Transaction

Processing

system

Management

information

system

External

Data

DSS

DATABASE

DSS Software User

InterfaceUser

Sensitivity Analysis

The study of the effect that changes in one or more parts of a model have on

other parts of the model

What-if Analysis

Checks the impact of a change in the assumptions or other input data on

the proposed solution

Goal-seeking Analysis

Find the value of the inputs necessary to achieve a desired level

of output

Handle large amounts of data from different

sources.

Provide report and presentation flexibility.

Offer both textual and graphical orientation

Perform complex, sophisticated analysis and

comparisons using advanced software packages.

Executive

Level

Middle

Level

Operational

Level

Unstructured

Decision

Semi Structured

Decision

Structured

Decision

Unstructured decisions:

• Novel, non-routine decisions requiring judgment and

insights.

• Examples: Approve capital budget; decide corporate

objectives.

Semi structured decision :Only part of decision has clear-cut answers provided by

accepted procedures.

Examples: Allocate resources to managers; develop a

marketing plan.

Structured decision :Routine decisions with definite procedures.

Examples: Restock inventory; determine special offers to

customers.

Time savings

Enhance effectiveness

Improve interpersonal communication

Cost reduction

Increase decision maker satisfaction

Promote learning

Increase organizational control

Monetary cost

Overemphasize decision making

Obscuring responsibility

Unanticipated effects

False belief in objectivity

Status reduction

Information overload

The example we are going to explain is of

working of decision supporting system at

RUKMANI BAJAJ, INDORE

dssresources.com/faq/index.php?action=arti

kel&id=114

www.google.co.in/search?q=Dss+architecture

www.slideshare.net/paramalways/decision-

support-system-1943516

Information about example RUKMANI BAJAJ

CEO