Description on Decision making in Information technology

1. INFORMATION SYSTEMS
DECISION MAKING
Ms.Ramya GR
Assistant Professor
Department of Management studies
Acharya Institute of Graduate studies

2. INTRODUCTION
 Making decision is central to managing organizations. Organizations today
can no longer use a 'cook book' approach to decision making. In order to
succeed in a business today, companies need information system that
support the diverse information and decision-making needs for their
operations. the rapid development of the internet and other information
technologies has further strengthened the role of information systems for
decision making support.

3.  Information systems can help you make valid decisions by providing accurate and
up-to-date information and performing analytic functions. You have to make sure
the information system you choose can work with the information formats
available in your company and has the features you need. Suitable information
systems can structure the basic data available from your company operations and
records into reports to present you with guidance for your decisions.

4. Decisions occur at three levels in organizations. These levels
are:
 Strategic decisions
 Tactical decisions (managerial)
 Operational decisions

5. ROLE OF INFORMATION SYSTEM IN DECISION
MAKING AND STRATEGY BUILDING
 Information for Company Operations
 Capability to Run Scenarios
 Projections to Assist in Decision Making
 Implementation and Evaluation

6. INFORMATION SYSTEMS AND SUBSYSTEMS
 Data Repository
 User Interface
 Network
 Computer Hardware
 System Software
 Input/output
 Business Rule (Process)
 Algorithm/Program/ Application Software