System:
A system is a set of components that works together to
achieve a common goal.
A system accepts input, processes it, and produces an
output.
Two types of system
- Closed system
- Open System
Information System:
It is a set of inter-related components that
- Collects Data
- Manipulate Data
- Disseminate data and information
- Provide feedback to meet an objective
Characteristics of Information System:
Environment is anything outside the system
Boundary separates the system from environment
Input is the data from environment to the system.
The system uses the input
Output is the information from the system to the
environment
Components are the subparts of the system
Interface is a mechanism for interaction between
different components of the system
Interrelationships are the associations between
components of a system
