Oktalia Juwita, S.Kom., M.MT. FOUNDATION CONCEPTS OF INFORMATION SYSTEM Dasar-dasar Sistem Informasi – IKU1102

INFORMATION

What is DATA? Data: Raw facts relating to or describing an event.

What is INFORMATION?

Information is the product of applying rules to data to make them meaningful. This task of converting data to information is part of the role of the system. What is INFORMATION?

CHARACTERISTICS OF INFORMATION Relevance Accuracy Completeness Source trustworthiness Communication with the right person Punctuality Detail Comprehension

SYSTEM

System A set of interrelated components, with a clearly defined boundary, working together to achieve a common set of objectives by accepting inputs and producing outputs in an organized transformation process InputsProcessOutputs

Inputs Data and other resources that are the starting point for a system. Inputs Data and other resources that are the starting point for a system. MICR Input Devices

Processes The sets of activities that are performed on the inputs into the system. Processes The sets of activities that are performed on the inputs into the system. Output What is obtained from a system, or the result of what the system does. Output What is obtained from a system, or the result of what the system does.

SYSTEM BOUNDARIES Feedback The method using alters to ensure that the system is running as normal and that there are no problems or exceptional circumstances. System scope The domain or problem that a system addresses. External environment The factors or pressures outside a system that influence its design and operation.

Feedback

INFORMATION SYSTEM

Computer SystemInformation System

The computer system consists of a complex interconnection of numerous hardware and software components, which are essentially determinist, formal systems in that specific input always gives the same output Information systems are social systems whose behaviour is largely influenced by the objectives, values and beliefs of individuals and groups and by the performance of technology

INFORMATION SYSTEM COMPNENTS People Hardware and software Communication networks Data resources Policies and procedures

COMPONENTS OF AN IS

FUNCTIONS OF THE INFORMATION SYSTEM Data capture and collection Storage Information processing Distribution or dissemination of information

QUESTION Think of 3 examples of an IS There are 3 essential elements to any information system, what are they? Does an IS have to have a computer? So why use a computer?

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