Information System
Information System(IS) is the collection of technical and human resources that provide the storage, computing, distribution, and communication for the information required by all or some part of an enterprise. A special form of IS is a management information system (MIS), which provides information for managing an enterprise.
What are the differences between Data, Information and Knowledge?
Data is raw facts or unorganized form such as alphanumeric data, image data, audio data and video data.
Information is a collection of facts organized in such a way that it have a value beyond the facts themselves.
Process is a set of logically related tasks.
Knowledge is the awareness and understanding of a set of information.
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| The process of Transforming Data into Information |
The value of Information are:
- directly linked to how it helps decision makers achieve their organization's goals
- valuable information which can help people and their organizations perform tasks more efficiently and effectively.
What is an Information System?
Information system(IS) is a set of interrelated elements that:
- collect input
- manipulate process
- store
- disseminate the output such as data and information
- provide a corrective reaction to meet an objective
The components of an Information System
Input : Activity of gathering and capturing raw data
Processing : Converting data into useful outputs
Output : Production of useful information, usually in the form of documents and reports
Feedback : Information from the system that is used to make changes to input or processing activities
Computer-Based Information Systems (CBIS)
- Hardware: Consists of computer equipment used to perform input, processing, and output activities
- Software: Consists of the computer programs that govern the operation of the computer
- Database: Organized collection of facts and information, typically consisting of two or more related data files
- Telecommunications, networks, and the Internet: The electronic transmission of signals for communications
- Networks: Connect computers and equipment to enable electronic communication
- Internet: World’s largest computer network, consisting of thousands of interconnected networks, all freely exchanging information
- Intranet: Internal network that allows people within an organization to exchange information and work on projects
- Extranet: Network that allows selected outsiders, such as business partners and customers, to access authorized resources of a company’s intranet
- People: The most important element in most computer based information systems
- Procedures: Include strategies, policies, methods, and rules for using the CBIS
Business Information Systems
Business IS is the most common types of information systems those designed for electronic and mobile commerce, transaction processing, management information, and decision support.
Electronic and Mobile Commerce
- Electronic commerce (e-commerce)
- Mobile commerce (m-commerce)
- Electronic business (e-business)
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