Information Systems (IS) can be defined as “a set of related elements that gather together, to facilitate collection, processing, storage and distribution to the planning, direction, coordination, analysis, and the decisions of businesses and other organizations.”
Often the concept of information are those who:
Computer networks and systems are part of the data processing;
Information about networks, the company is indeed in the context of IT systems;
Develop methods to computer networks of business includes the design of the basic elements of the IT systems;
or managing information technology emphasizes the quality and the value of the company and the security of information systems in enterprises.
IS contains information about people, places, events and issues that managers in decision making, analysis and visualization of complex problems and helping others.
To do this, a series of three basic stages: input, processing and output. IS has three basic functions of the organization transform a company’s ability, information into knowledge.
and solve problems in order to help the proposals for a solution to respond to contractor work;
or the production of knowledge, the information for other procedures;
Ensuring understanding of the problems of organization and development.
There are several definitions of “knowledge management system:
or the system of people, equipment, procedures, documentation and communication, which collects checks, processes, transactions, processes, stores, retrieves and presents data for planning, budgeting, accounting, monitoring and managing the various administrative purposes.
Sewage treatment plants or information management decisions;
Organized, or the method of intelligence is the past, present and future. Internal and external It supports the planning, monitoring and management of enterprises by providing information about the model, enough time to assist in decision making;
Man-machine integrated system that provides information support functions, administrative and economic decision-making offers;
to select or group of persons or a combination of guidance and computer equipment, storage, handling and use, can reduce the uncertainty in decision making by providing information about the time officials be used more efficiently;
System or the collection, storage, retrieval and processing of information or be used by one or more directors to do business is desired;
or in an organized way the Information Management Division of the past, present and future to ensure the internal functioning of society and the economic environment
or a combination of people, equipment, technology, business environment, processes and controls are necessary to ensure the events typically deal for the procedure, the Heads of State and Government the importance of internal and external events that warn of providing a basis for informed decisions .
Types of information
Information is required to filter high-quality information for businesses and decision-making levels, or divided into functional levels and produce the second level of hierarchy level in the decision, which is a summary of available information decisions.
The information system is a basic conceptual structure depends on human resources (users and computer specialists), equipment (machines and media), software (programs and procedures), (databases and database) and network (media and network support) to the acquisition, processing, manufacturing, storage and resource management lead to change information on the products.
The information system is an integral part of the organization, the product of three components: technology, organizations and individuals, in which:
Or organization – the organization is hierarchical and trained. Every organization has a specific culture, whether the assumptions, values and methods. The organization is to build systems to solve problems associated with internal and external factors;
or individuals – people with information about the use of computer systems in their work. You are required to enter data into the system so that the computer can read.
or technique – a technique in which information is processed and organized people. Information technology has replaced the manual processing and is capable of millions or even hundreds of millions of instructions per second. The information system has features of information systems. Base SE model, five key resources: people, hardware, software, data and networks.
or human resources – people are needed in all systems, providing end-users and computer professionals.
Resources and materials – the physical equipment used in information processing equipment.
or resources, called on all game programs for use towards the action and control devices, in addition to a number of user data.
Resources or information – as well as the raw material is indeed a valuable source of information for the effective administration of the organization for the benefit of all users in the organization.
or network resources – such as telecommunications, intranets, extranets and the Internet, which are essential to the success of the company’s management, it is important to characterize the activities of the success of the system. .