Preview

03 - Comptuers and Sensors

 1. Physical systems include robotics, motors and _______.

  sensors

  graphics

  humans

  eyes

 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

  red or black

  safe for us

  not safe for us

 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

  ill

  input

  immediate

  insensitive

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

  record data

  fight off data

  eat data

  automate data

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

  bots

  pings

  graphic cards

  receivers

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

  movement / heat from objects.

  changes in temperature.

  the presence of sound.

  any pressure

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

  the presence of sound.

  any pressure

  changes in temperature.

  movement / heat from objects.

 9. A sound sensor detects

  any pressure

  changes in temperature.

  the presence of sound.

  movement / heat from objects.

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

  ph sensor

  gas sensor

  pressure sensor

  light sensor