Digital Interfacing in Electronics Quiz

What is the purpose of digital interfacing in electronics?

• To amplify analog signals

• To convert digital signals into heat

• To connect and communicate between digital systems or components

• To reduce power consumption

Which of the following is not a type of digital interfacing?

• Memory interfacing

• I/O interfacing

• Analog signal interfacing

• Display interfacing

Which component is often used to buffer digital signals during interfacing?

• Transistor

• Diode

• Tri-state buffer

• Capacitor

What is a sensor?

• A device that stores energy

• A device that measures physical input and converts it into a signal

• A device that amplifies signals

• A device that produces heat

Which of the following is a temperature sensor?

• LDR

• Thermistor

• Microphone

• Ultrasonic sensor

An LDR (Light Dependent Resistor) is a type of:

• Pressure sensor

• Light sensor

• Magnetic sensor

• Temperature sensor

Which sensor is used to measure distance using sound waves?

• IR sensor

• Capacitive sensor

• Ultrasonic sensor

• Thermocouple

A piezoelectric sensor is used to detect:

• Light

• Heat

• Motion or vibrations

• Humidity

Which of the following is a digital sensor?

• Thermistor

• Ultrasonic sensor with trigger and echo pins

• LDR

• RTD

Which sensor is best suited to detect magnetic fields?

• Thermistor

• IR sensor

• Hall effect sensor

• PIR sensor