What is information system
An Information System (IS) is a system composed of people and computers that processes or interprets information.The term is also sometimes used in more restricted senses to refer to only the software used to run a computerized database or to refer to only a computer system.
Different between IT and IS
IT:( Information technology) is all form of tool used to create, store exchange and use information.
IS :(Information Systems) is combination of technology ,people and process that organization uses to produce and manage information.
Functions of management information system
- manage data center
- providing technical services
- training and developing Is skills
- create business alliances
Computer based information system
CBIS: are
information systems that use computer technology to perform some or all of
their intended tasks.
Data:
elementary description of things, events, activities and transactions that are
recorded, classified and stored but are not organized to convey any specific
meaning.
Information:
data
that is organized and
structured within a context, and provides meaning
Knowledge:
information organized and processed to convey understanding, experience,
accumulated learning and expertise as they apply to a current problem or
activity.
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Computer based information system
- Software is a program or collection of programs that enable hardware to process data.
- Database is a collection of related files or tables containing data.
- Network is a connecting system (wire-line or wireless) that permits different computers to share resources.
- Procedures are the set of instructions about how to combine the above components in order to process information and generate the desired output.
- People are those individuals who use the hardware and software, interface with it, or uses its output.
Hardware,Software,Database and Network are IT components(platform)
.
Capabilities of IS
- Fast
- Communication
- Accurate
- Inexpensive
- Effectiveness
- Efficiency
Types of IS
- Functional area information systems (FAIS)
- Enterprise resource planning (ERP) systems
- Transaction processing systems (TPS)




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