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03 - Comptuers and Sensors

 1. Physical systems include robotics, motors and _______.

  graphics

  humans

  eyes

  sensors

 2. Reasons why we use physical systems are explained. They enable us to explore places that humans can?t work and simulate environments are _______________.

  not safe for us

  red or black

  full of humans

  safe for us

 3. Machines can often work more quickly and for longer periods of time.

  FALSE

  TRUE

 4. The ultrasonic sensor is an ______ module on the mBot.
earlyyears_robots_sensors_sensorpic.png

  insensitive

  immediate

  ill

  input

 5. Sensors are input devices that ___________ about the physical environment around it.

  fight off data

  eat data

  automate data

  record data

 6. Sensors could be programmed with both transmitters and _______________.
earlyyears_robots_sensors_howitworks.jpg

  graphic cards

  pings

  bots

  receivers

 7. Motion (infra-red) Sensor detects (found on burglar alarm systems or automatic doors) detects

  movement / heat from objects.

  any pressure

  the presence of sound.

  changes in temperature.

 8. A temperature sensor (found in ovens and freezers)

  any pressure

  changes in temperature.

  the presence of sound.

  movement / heat from objects.

 9. A sound sensor detects

  the presence of sound.

  any pressure

  movement / heat from objects.

  changes in temperature.

 10. A __________ can detect the ambient light level, meaning how bright or dark it is.

  pressure sensor

  ph sensor

  gas sensor

  light sensor


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