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Vocabulary

Data: Technically, the data are raw facts and figures, which are processed to obtain information.

Data is a program that manipulates. No data a program will not work correctly. Programs manipulate data very differently depending on the type of data involved.

Information: Set of data that are organized and have a meaning.

System: As defined system can say that is a set of elements with relations of interaction and interdependence that give its own right to form a unified whole.

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TYPES OF INFORMATION SYSTEMS

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support systems for decision making

DSS is an organized group of people, procedures, software, databases and devices order to support decision-making on a specific problem.

The focus of a DSS is in the effectiveness of decision making when faced with problems or semi-business.

support systems for decision-making have the potential to produce more profit, have lower costs and better products and services.

A higher-level class in computer information systems are decision support systems (DSS)

The decision support systems are more tailored to the individual or group uses the traditional management information systems.

The decision support system is a way of organizing information to be used in making decisions involving base d data for a more specific goal.

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. IMPORTANCE OF INFORMATION SYSTEMS

constitute an essential field of study in business administration and management.
is for this reason that all professionals in the area of \u200b\u200bBusiness Administration or rather should be, take a course in information systems.

appropriate management information systems is a major challenge for managers.

Thus the role of SI is:

A major functional area within the company, which is so important to business success as accounting functions, finance, operations management, marketing, and human resource management.

An important contribution to her operational efficiency, productivity and employee morale, and service and customer satisfaction.

A major source of important information and support effective decision making by managers.

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TYPES AND USES OF INFORMATION SYSTEMS.

Over the next few years, information systems

meet the following objectives:
automate business processes.

Provide information to support decision making.

Achieving competitive advantage through its implementation and uso.Con often, information systems that manage the automation of business processes within an organization are called Transactional systems, since its main function is to process transactions such as payments, collections, policies, forms, receipts and deliveries.
Moreover, the information systems that support decision-making process are systems to support decision making (DSS, for its acronym in English Decision Supporting System).

The third type of system, according to its use or targets to meet, is of strategic systems, which are developed in organizations to achieve competitive advantage through the use of Information Technology ( TI).

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WHAT IS COMPUTER INFORMATION SYSTEMS? MANTIMIENTO

league information to all business functions and provides the basis for all management decisions.

is the cornerstone of all organizations.

Assess internal strengths and weaknesses of a company in terms of their information systems is a crucial dimension of an internal audit.

The purpose of this system is to improve business performance improvement quality of management decisions.

An effective information system thus collects, classifies, stores, summarizes and presents information in a way that responds to questions of importance of the operations and strategies.

A computerized information system receives raw material from internal and external evaluation of the organization.

Gather internal data on marketing, finance, production and personnel itself and external data on social, cultural, demographic, environmental, economic, political, governmental, legal, technological and competitive.

A computerized information system, products include computer printouts, written reports, tables, charts, checks, purchase orders, invoices, inventory, accounts payroll and various other documents.

can calculate and estimate the results alternative strategies. Data only becomes information when tested, filtered, condensed, analyzed and organized for a purpose, problem, person, or specific time.

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THE IMPORTANCE OF SYSTEMS. APPLICATIONS

After the system is installed you must maintain This means that computer programs should be modified and kept current.

Maintenance was done for two reasons:

• The first of these is to correct errors in software. errors commercial software for microcomputers are sometimes documented as "known anomalies, and corrected when releasing new versions of software or intermediate versions.

• The other reason is to improve the software's capabilities in response to changing organizational needs, and usually involve some of the following three situations:

1. Users frequently request additional features after they become familiar with the computer system and its capabilities.

2. The business changes over time. Software should be amended to include changes such as new reporting requirements and corporate government, the need to produce new information for customers, etcetera.

3. The hardware and software are changing at a rapid pace. A system that uses old technology can be modified to use the capabilities of a newer technology.

At some point it is more convenient to perform a new study of the system, because the ongoing maintenance cost is clearly greater than the creation of a completely new information system.

Once they are corrected, the system reaches a steady state providing accounting services to its users.

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Within the topic of Computer Information Systems, who assist in decision making in agriculture, there are two fundamental aspects.

The first is the overall design of the Information System on Natural Resources (CRIS) important to agriculture, that is, its theoretical framework, which is the product of research.

The second file is an example of practical implementation, in harmony with the theoretical model. In this the product is the result of the generation and transfer of technology. Both aspects make this project a very special development, to include two FONAIAP key areas: research and subsequent technology transfer.

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handling high volumes of data, data processing routine and highly complex processes that take time to delivery of the response, are not problems with the use of computerized information systems.

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WHAT IS A COMPUTERIZED INFORMATION SYSTEM?

An Information System is a set of elements that interact to support the activities of a company or business

An Information System performs four basic activities:

• information input: a process in which the system takes the data required to process the information through workstation, keyboard, floppy disks, magnetic tapes, bar code etc.
  
• Information storage: One of the most important activities that have a computer, and that through this property the system can recall the information stored in the session or the previous process.
  
• Information Processing: this feature of the systems allows the transformation of the source data into information that can be used for making decisions, making it possible, among alia, that a decision maker to generate a financial projection based on data that contains an income statement or a balance sheet in a base year.
  
• output information: is the ability of an IS to get the information processed or outside input. Typical units of output are printers, plotters, magnetic tapes, diskettes, voice, etc.