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INFORMATION SYSTEMS

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Michael Pereira

on 7 October 2013

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Transcript of INFORMATION SYSTEMS

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INFORMATION SYSTEMS
It is also an integrated set of components for collecting, storing, and processing data and for delivering information, knowledge, and digital products.
Types of Information Systems
Any specific 'Information System' aims to support operations, management and decision making. In a broad sense, the term is used to refer not only to the information and communication technology (ICT) that an organization uses, but also to the way in which people interact with this technology in support of business processes.
Information Systems
Report by:
Czarinna Marie Magbanua
Michael Angelo R. Pereira
Uzziel Elijah Ramos
Mona Grace Camposano
What is Information Systems?
It is the study of complementary networks of hardware and software (see information technology) that people and organizations use to collect, filter, process, create, and distribute data.
Information Systems?
Components of Information Systems
People
The 'Most' important part as they make end-user more productive
Procedures
Refer to rules and guidelines people follow when using software, hardware and data.
Documented manuals written by computer specialists.
Provided by software/hardware manufacturers of the product.
Software
Term for programs or sets of computer instructions
Written in special computer language that enable a computer to accomplish a given task
It consists of step-by-step instructions, which the computer can use to convert data to information
Hardware
Computer components that are physical, touchable pieces or equipment
Consists of the System Unit, input/output, secondary storage and communication devices

Data
It is the raw, unprocessed facts including texts, numbers, images and sounds

Some authors make a clear distinction between information systems, computer systems, and business processes. Information systems typically include an ICT component but are not purely concerned with ICT, focusing instead on the end use of information technology. Information systems are also different from business processes. Information systems help to control the performance of business processes.
Information Systems have a number of different areas of work:
IS strategy
IS management
IS development
IS iteration
IS organization
There is a wide variety of career paths in the information systems discipline. "Workers with specialized technical knowledge and strong communications skills will have the best prospects. Workers with management skills and an understanding of business practices and principles will have excellent opportunities, as companies are increasingly looking to technology to drive their revenue."
Business firms and other organizations rely on information systems to carry out and manage their operations, interact with their customers and suppliers, and compete in the marketplace.
The history of information systems coincides with the history of computer science that began long before the modern discipline of computer science emerged in the twentieth century.
Information systems are distinct from information technology (IT) in that an information system has an information technology component that interacts with the processes' components
Information Systems in Organization
This information system collects, stores and processes data to give an organization real time useful and accurate information. This information system encompasses data gathering information from the people and machines that collect, process, output and store data. Also in the networks that transmit and
receive data and the procedures that govern the way data is handled.
Expert Systems and Neutral Networks
An expert system, also known as a knowledge-based system, is a computer system that is designed
to analyze data and produce recommendations, diagnosis and decisions that are controlled. A neutral system uses computers to foster the way a human brain may process information, learn and
remember that information.
Decision Support Systems
A decision support systems helps make decision by working and analyzing data that can generate
statistical projections and data models. This system gives support rather than replacing managers judgement while improving the quality of a managers decision. This system helps solve problems while using external data.
Transaction Processing Systems
A transaction processing system provides a way to collect, process, store, display modify or cancel transactions. Most of these systems allow multiple transactions to take place simultaneously. The data that this system collects is usually stored in databases which can be used to produce reports such as billing, wages, inventory, summaries, manufacturing schedules or check registers.
Management Information Systems
A management information system is an information system that uses the data collected by the transaction processing system and uses this data to create reports in a way that managers can use it to make routine business decisions in response to problems. Some of the reports that this information system creates are summary, exception and ad hoc reports.
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