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1.2) Information systems in context

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An information system is composed of elements that work together to achieve a purpose. It performs information processes requiring participants, data/information, and information technology. The relationships between these elements are shown in a figure. An information system addresses the needs of individuals or groups and is influenced by its environment. It uses tools like hardware, software, and participants to input, process, store, output, and control data and information.

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1.2) Information systems in context
A system is a group of elements that work together to achieve a purpose. An information system performs a set of information processes requiring participants, data/information and information technology. The relationships between the elements of an information system are shown below.
[ DRAW Figure 1.3 from p.7] Information systems have a purpose, which means that they address the needs of a group or individual. The environment is everything that influences, or is influenced by, an information system. Information technology is the set of tools used by the information system or its participants to perform work.
Hardware is the physical equipment involved in processing information. All devices perform one of the five following functions: input output processing storage control All these different functions work together.
Software is the detailed instructions that direct the hardware to perform certain tasks. There are two main kinds of software: application programs for a specific task system manages and controls computer Data is the raw material that is entered into an information system. Data is unprocessed and not yet useful to the user.
Information has been processed and given meaning. It is created or modified by one or more information processes. Participants are the people who carry out the information processes. Participants are also called direct users since they interact with the system. Indirect users are NOT part of the system but they are affected by it.

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1.2) Information systems in context

  • 2. A system is a group of elements that work together to achieve a purpose. An information system performs a set of information processes requiring participants, data/information and information technology. The relationships between the elements of an information system are shown below.
  • 3. [ DRAW Figure 1.3 from p.7] Information systems have a purpose, which means that they address the needs of a group or individual. The environment is everything that influences, or is influenced by, an information system. Information technology is the set of tools used by the information system or its participants to perform work.
  • 4. Hardware is the physical equipment involved in processing information. All devices perform one of the five following functions: input output processing storage control All these different functions work together.
  • 5. Software is the detailed instructions that direct the hardware to perform certain tasks. There are two main kinds of software: application programs for a specific task system manages and controls computer Data is the raw material that is entered into an information system. Data is unprocessed and not yet useful to the user.
  • 6. Information has been processed and given meaning. It is created or modified by one or more information processes. Participants are the people who carry out the information processes. Participants are also called direct users since they interact with the system. Indirect users are NOT part of the system but they are affected by it.