Traffic Light Control Systems
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Questions and Answers

What was the first automated system for controlling traffic signals developed by?

  • Alexander Graham Bell
  • Thomas Edison
  • Leonard Casciato and Josef Kates (correct)
  • Nikola Tesla

    • What is a 'signal group' in the terminology used in traffic signal control systems?

  • A type of emergency vehicle signal
  • A specific type of pedestrian crossing signal
  • One electrical output from the traffic signal controller (correct)
  • A group of traffic officers managing signals

    • What is a 'phase' in the context of traffic signals in Australia and New Zealand?

  • A specific type of traffic light
  • A mechanism for pedestrian crossing
  • A term for traffic congestion
  • A period of time during which a set of traffic movements receive a green signal (correct)

    • What does a green phase indicate in terms of traffic signal aspects?

    <p>Gives all traffic from a particular approach the right of way through the junction</p> Signup and view all the answers

    What is meant by a 'movement' in the context of traffic signals?

    <p>Any path through the junction which vehicles or pedestrians are permitted to take</p> Signup and view all the answers

    What does motor control encompass?

    <p>Conscious voluntary movements, subconscious muscle memory, involuntary reflexes, and instinctual taxis</p> Signup and view all the answers

    What must the nervous system integrate to control movement?

    <p>Multimodal sensory information and proprioception</p> Signup and view all the answers

    Why is successful motor control crucial?

    <p>For interacting with the world to carry out goals, posture, balance, and stability</p> Signup and view all the answers

    How many motor neurons control the contraction of ~600 muscles in humans?

    <p>~150,000</p> Signup and view all the answers

    What is a motor unit?

    <p>A single motor neuron and the muscle fibers it innervates</p> Signup and view all the answers

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