Week of 9/23 Test- PLTW 2.1

What type of data ranges on a continuous scale?

• Digital

• Analog

• Sensor

• Compass

What can an accelerometer detect on a micro:bit?

• Temperature

• Light

• Changes in speed

• Sound

What type of components provide a true/false response immediately?

• Analog

• Sensor

• Digital

• Compass

What can the micro:bit use accelerometer data for?

• To change color

• To play music

• To send data to another device

• To display images

What do analog devices like the flex sensor and photocell resistor send to the micro:bit?

• A digital value

• A varying value

• A constant value

• A binary value

What does the micro:bit do with the information from analog devices?

• Changes it to a sound

• Changes it to a digital value

• Changes it to a light signal

• Changes it to a physical movement

How many states can digital sensors have?

• One

• Two

• Three

• Four

What is required in the code to use analog sensors properly?

• A loop statement

• A conditional statement

• A print statement

• A function call

What type of sensor can report a range of values?

• Digital sensor

• Analog sensor

• Temperature sensor

• Motion sensor

What is the role of a photocell resistor in an analog device?

• Detects sound

• Detects light

• Detects temperature

• Detects motion