Signals and Sensors Quiz

Which type of signal uses clear, separate values like 0 and 1?

• Analog Signal

• Digital Signal

• Radio Signal

• Pulse Signal

Which type of signal is effective at avoiding noise-related errors?

• Analog Signal

• Digital Signal

• Mixed Signal

• Transducer Signal

Analog signals are typically used in devices that:

• Perform digital processing

• Measure continuously varying signals

• Work only with binary values

• Generate only on/off commands

What is a sensor?

• A device that controls output

• A device that senses physical properties and converts them into signals

• A device that converts light into sound

• A device that measures speed

What does an actuator do?

• It measures voltage output

• It converts voltage to temperature

• It senses light intensity

• It performs an output function, like movement or sound

Which sensor measures acceleration forces like gravity, motion, and vibration?

• Gas Sensor

• Gyroscope Sensor

• Accelerometer Sensor

• Thermocouple

What does a gyroscope sensor measure?

• Linear motion

• Rotation or angular velocity

• Vibration

• Light intensity

Which sensor detects the presence or concentration of specific gases?

• Accelerometer Sensor

• Gas Sensor

• Gyroscope Sensor

• Thermistor

What is the function of the first pin (1st pin) on a gas sensor?

• Power supply (VCC)

• Analog Out

• Digital Out

• Ground (GND)

Which temperature sensor is suitable for both indoor and outdoor measurements?

• LM35

• NTC Thermistor

• TMP36

• DHT11