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03 - Comptuers and Sensors

 1. Physical systems include robotics, motors and _______.

  humans

  sensors

  eyes

  graphics

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

  full of humans

  safe for us

  not safe for us

  red or black

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

  TRUE

  FALSE

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

  immediate

  ill

  input

  insensitive

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

  automate data

  eat data

  record data

  fight off data

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

  bots

  graphic cards

  pings

  receivers

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

  movement / heat from objects.

  the presence of sound.

  changes in temperature.

  any pressure

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

  the presence of sound.

  changes in temperature.

  movement / heat from objects.

  any pressure

 9. A sound sensor detects

  movement / heat from objects.

  the presence of sound.

  changes in temperature.

  any pressure

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

  ph sensor

  gas sensor

  light sensor

  pressure sensor