Quiz on Sensors and Micro:bit

What is a sensor?

• A device that produces sound

• A device that detects or measures something

• A machine that stores energy

• A display unit

Which human organ is an example of a natural sensor?

• Eye

• Hand

• Nose

• Mouth

What are the three basic functions of a robot?

• Sense, Plan, Act

• Move, Run, Jump

• Store, Process, Display

• Detect, Record, Transmit

What does a sunlight sensor on a Micro:bit measure?

• Sound levels

• Temperature

• Light intensity

• Vibration

What statement is used in a Micro:bit program to perform actions depending on light level?

• for loop

• if… else statement

• while loop

• print statement

What happens when you cover the Micro:bit with your hand in the sunlight sensor activity?

• The sun image appears

• The program stops running

• The sun icon vanishes

• The LED blinks faster

What can LEDs on the Micro:bit act as, apart from outputs?

• Microphone

• Input devices (light sensors)

• Memory units

• Power sources

What is the function of the number (e.g., 100) in the sunlight sensor program?

• It sets the LED brightness

• It controls the sound level

• It defines the light threshold value

• It controls motor speed

Which of the following links is related to the Micro:bit light sensor feature?

• https://microbit.org/get-started/features/sensors/#light-sensor

• https://kitolit.org/microbit

• https://microbit.org/download

• https://learn.microbit.org/start

Why do robots need sensors?

• To store data

• To mimic or enhance human senses and detect surroundings

• To move faster

• To save battery power