COMPONENTS OF AN INFORMATION SYSTEM
An information system (IS) is a set of related components that collects data, process data and provide information.
The components of information systems are: data, hardware, software, people and procedures.
DATA
Data is very important in information systems. Without data, decision and
conclusion cannot be made. The right data in information systems helps us to make the right decision.
For example, the stock status report in a book store helps the book store's
manager to decide when to reorder their stocks.
HARDWARE
The hardware component in an information system means all computer
equipment used to perform input, processing and output functions.
Hardware resources also include all media on which data is recorded, such
as paper, floppy disks and compact discs.
SOFTWARE
The software component in an information system consists of programs for the computers. These programs allow the computers to carry out most of the instructions related to information processing.
There are two types of software: system software and application software.
System software controls basic computer operations. For example, the Operating Systems are Microsoft Windows, Linux and Macintosh.
Application software are the programs that allow users to do specific tasks. Examples of application software are Microsoft Excel, Microsoft Access and SQL Server.
PEOPLE
People involved is information systems personnel and end users.
INFORMATION SYSTEMS PERSONNEL
People involve in IS are the database administrator, system analyst and system designer.
- Database administrator : The database administrator monitors database security and solves errors.
- System analyst : A system analyst analyses the customer's needs by providing specifications to customers.
- System designer : A system designer designs database according to the specifications given by systems analysts.
INFORMATION SYSTEMS END USER
End users are people who use information systems. They can be customers, managers and clerks.
PROCEDURES
Procedures are operating instructions for the user of an information system.
Procedures can be in the form of guidelines in the user manuals.
INTERRELATIONSHIP BETWEEN INFORMATION SYSTEMS COMPONENT
- An information system consists of the interrelated component of data, hardware, software, people and procedures.
- These components work together to perform input, process and output. This provides information products in order to meet the needs of and information system.
- For example, Dell Computer Corporation’s workers who receive input data, will work on computers. This input data will be kept in the company’s databases.
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Others Lesson : | click lesson to view |
- Definition of Data, Information And Information System
- Usage Of Information System
- Information System Component
- Type Of Information System
- Hierarchy Of Data
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