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Quiz: Build an Arduino Mini-Drone

1. Match the terms from the drop-down list with its correct description.
Evaluates a condition to determine if a task should be executed
Modular piece of code that perform a defined task that can be used more than once
Consists of short English phrases to explain specific tasks within a program
A placeholder within your code that is assigned a value
Description of the behavior of your code that makes it easy for others to understand your program
A simple analog device that provides variable resistance

2. Select True or False for each statement below.
When the value of a sensor returns a range from 0 to 1023, you should use digitalRead to read the value.
Correct.
Incorrect.
The speed of a sound wave is always the same regardless of the medium it is traveling through
Correct.
Incorrect.
In aircraft motion, when the drag is greater than the lift, the plane will fall.
Correct.
Incorrect.
The height of a wave is also called the amplitude. This characteristic determines how loud a human hears the sound.
Correct.
Incorrect.
The ultrasonic sensor produces a sound wave whose frequency is so high that humans cannot hear the sound that it emits.
Correct.
Incorrect.

3. Select the correct answer from the drop-down list to complete the statement.
Using an Arduino, you generally ______ inputs and _________ outputs.
The purpose of a feedback control system is to:
______ is the upward force acting on an airfoil

Complete your answers in free response.
4. Your object is 27 cm away from the ultrasonic sensor. How many microseconds do you expect the ultrasonic sensor to return?
5. Describe two ways that altitude can be used in agricultural drones to improve farming methods

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