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GCSE Computer Science > Sensors > Flashcards

Sensors Flashcards

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1
Q

What are the main 9 types of sensor?

A
  • humidity (moisture)
  • light
  • infra-red
  • pressure
  • acoustic
  • gas
  • pH
  • magnetic field
  • temperature
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2
Q

What is the definition of a sensor?

A
  • A hardware device that can take measurements of physical properties, such as temperature or pressure, from real world surroundings.
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3
Q

Data taken by sensors is usually in what form?

A

Analogue

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4
Q

What does analogue mean?

A

That data has no discrete value and the data changes smoothly rather than in exact jumps

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5
Q

What are actuators?

A
  • They are motors that are commonly used in conjunction with sensors to control a mechanism
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6
Q

What are some examples of actuators?

A
  • opening a valve or door
  • starting a pump
  • turning a wheel
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GCSE Computer Science (36 decks)

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