WorksheetsSummative Assessment on Arduino Input Devices
Total questions: 20
Worksheet time: 10mins
What is the primary purpose of an input device in Arduino?
To produce actions or display information
To collect data from the environment and send it to the Arduino board
To power the Arduino board
To store data for future use
Which of the following is an example of an Arduino input device?
LED
Buzzer
Joystick
Speaker
What type of input device is best for measuring the intensity of light?
Ultrasonic sensor
Photoresistor
Potentiometer
Temperature sensor
What data does a temperature sensor like TMP36 collect?
Distance to an object
Amount of light in an area
Ambient temperature
Speed of a moving object
How do distance sensors like ultrasonic sensors work?
By detecting changes in resistance
By measuring light intensity
By sending sound waves and measuring their return time
By detecting heat levels
Which input device can detect precise directional control in X and Y axes?
Potentiometer
Joystick
Button
Keypad
Why is a potentiometer useful in Arduino projects?
It detects light intensity
It controls resistance to adjust values
It provides directional control
It measures distance
What common use does a keypad have in Arduino projects?
Controlling volume
Detecting temperature
Locking systems with multiple input options
Measuring light intensity
What signal types can Arduino read from input devices?
Digital only
Analog only
Both analog and digital
Neither analog nor digital
Which of the following is NOT an input device?
Switch
Joystick
Ultrasonic sensor
Buzzer
What is the role of a photoresistor in an Arduino project?
To measure temperature
To provide light in dark conditions
To sense changes in light levels
To control sound output
What do you need to connect a button to an Arduino board?
A digital input pin
An analog input pin
A temperature sensor
A resistor and a light sensor
How is resistance controlled in a circuit using a potentiometer?
By pressing a button
By turning a knob
By measuring distance
By adjusting voltage
What is a common application of an ultrasonic sensor?
Controlling light brightness
Object detection in robotics
Volume adjustment
Directional control
Why do keypads often use a matrix format?
To allow multiple inputs using fewer pins
To measure resistance
To detect light intensity
To measure temperature
Which sensor would you use to create an automatic lighting system?
Ultrasonic sensor
Potentiometer
Photoresistor
Joystick
What does a joystick output to Arduino?
Resistance changes
Light levels
Directional values along X and Y axes
On/off signals
Which of these input devices can be used for a keypad lock project?
Buzzer
Joystick
Keypad
Photoresistor
How does a sensor work in an Arduino project?
It gathers information from the environment and converts it into data Arduino can use.
It produces light to signal the Arduino.
It controls resistance to adjust values in the circuit.
It stores data directly for future processing.
Which input device allows the Arduino to receive information by pressing a physical button?
Keypad
Joystick
Switch
Ultrasonic sensor
