Types of Information Systems
Computer-based information systems (CBIS) use
computer technology to perform some or all of their tasks (collect, process,
stores, analyze and disseminate information) and are composed of:
Hardware: devices such as a processor, monitor,
keyboard or printer
Software: program or collection of programs that
enable hardware to process
Database: collection of related files or tables
containing data
Network: a connecting system (wireline or wireless)
that permits different computers to share
resources
Procedures: set of instructions about how to combine
the above components in order to process
information and generate the desired output
People: individuals who use the hardware and
software, interface with it, or uses its output
Capabilities of Information Systems
Perform high-speed, high-volume numerical
computations
Provide fast, accurate communication and
collaboration within and among organizations
Store huge amounts of information in small space
Allow quick, inexpensive access to vast amounts of information worldwide
Interpret vast amounts of data quickly and
efficiently
Increase effectiveness and efficiency of people
working in groups in one place or around the world
Automate semiautomatic business process and manual
tasks
Breadth of Support of Information Systems
Functional area
information systems
support particular functional areas [HR, Marketing,
Manufacturing, Finance] in an organization.
Enterprise resource
planning (ERP) systems
tightly integrate the functional area information
systems via a common database
Transaction processing
systems (TPS)
support the monitoring, collection, storage, and
processing of data from the organization’s basic business transactions.
Example:
point-of-sale (POS) system at Carrfour
Interorganizational
information systems
connect two or more organizations. Examples are supply chain management systems
and electronic commerce systems
