Information Systems

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a. Understanding Information Systems

Information Systems (IS) is a combination of information technology and the activities of people who use that technology to support operations and management. In a very broad sense, the term information system is frequently used to refer to the interaction between people, algorithmic processes, data and technology. In this sense, the term is used to refer not only to the organization's use of information and communication technologies (ICTs), but also for the way in which people interact with this technology in support of business processes.

Some are making a clear distinction between information systems, and computer systems ICT, and business processes. Different information systems of information technology in information systems is usually seen as having ICT component. This is mainly related to the proposed use of information technology. Information systems are also different from business processes. Information systems help to control the performance of business processes.

Alter argues for information systems as a special type of work system. Work system is a system in which the human and / or machines perform work using resources to produce specific products and / or services to customers. The information system is a work system whose activities are devoted to processing (capturing, transmitting, storing, retrieving, manipulating and displaying) information.

As such, information systems inter-relate with data systems on the one hand and activity systems on the other. The information system is a form of communication system in which data is represented and processed as a form of social memory. Information systems can also be considered as a semi-formal language which supports human decision-making and action.

The information system is the main focus of the study to the discipline of information systems and informatics organization.

The information system is an organized combination of people, software, hardware, communication networks and data sources to collect, transform, and distribute information within an organization.

The information system is a system within an organization that brings the need for daily transaction processing, support operations, are managerial and strategic activities of the organization and provide outsiders with a certain required reports.

b. Component Information

It consists of a computer, the instructions, stored facts, people and procedures.

• SI can be categorized into four parts:
• Management Information System
• Decision Support System
• Executive Information System
• Transaction Processing Systems

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