Information Systems Quiz
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Questions and Answers

What is data?

  • A raw fact that can take the form of a number or statement (correct)
  • Processed information that is meaningful
  • Feedback control mechanism
  • A prediction element in the control system

    • What is the main purpose of information systems?

  • Incorporate prediction elements in control systems
  • Ensure open-loop control for processes
  • Implement feed forward control mechanisms
  • Provide information to enable decision-making (correct)

    • What is the difference between open-loop and closed-loop control systems?

  • Open-loop has no way of ensuring objectives are met, while closed-loop has feedback and feed forward control mechanisms (correct)
  • Open-loop has feed forward control, while closed-loop has feedback control
  • Open-loop has feedback control, while closed-loop has feed forward control
  • Open-loop has prediction elements, while closed-loop has no control mechanisms

    • What is negative feedback in a control system?

    <p>Actions taken to reverse any differences between desired and actual outputs</p> Signup and view all the answers

    What is the purpose of feed forward control systems?

    <p>To overcome the time-delay associated with feedback systems by incorporating a prediction element in the control</p> Signup and view all the answers

    What is data?

    <p>A raw fact</p> Signup and view all the answers

    How is information defined?

    <p>Data that has been processed to be meaningful</p> Signup and view all the answers

    What do closed-loop systems have?

    <p>Feedback and feed forward control mechanisms</p> Signup and view all the answers

    What is negative feedback in control systems?

    <p>Taking actions to reverse differences between desired and actual outputs</p> Signup and view all the answers

    What is the purpose of feed forward control systems?

    <p>Incorporating a prediction element in the control system</p> Signup and view all the answers

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