Electronic Systems Quiz Inputs

What is the purpose of input devices in electronic systems?

• To convert electronic signals into real world signals

• To convert real world signals into electronic signals

• To store data in the system

• To process data in the system

Which of the following is an example of an input device?

• Printer

• Scanner

• Monitor

• Keyboard

What is the function of a light dependent resistor (LDR) in a system?

• To detect changes in light level

• To convert electronic signals into real world signals

• To measure temperature

• To measure pressure

What type of sensor responds to changing temperature levels?

• Light dependent resistor (LDR)

• Thermistor

• Pressure sensor

• Motion sensor

Which of the following is a suitable input device for a greenhouse cooling system?

• Scanner

• Keyboard

• Mouse

• Thermistor

What is the role of a microcontroller in an electronic system?

• To process data in the system

• To convert real world signals into electronic signals

• To understand and act upon electronic signals

• To store data in the system

What is the function of a thermistor in a heating system?

• To convert electronic signals into real world signals

• To measure light levels

• To detect changes in temperature

• To measure pressure

Which type of sensor can be used to check the temperature in a room?

• Thermistor

• Light dependent resistor (LDR)

• Motion sensor

• Pressure sensor