Sensor and output device Quiz

The data which has no discrete
value, which is a physical property

• Digital data

• Gitital data

• Analogue data

• Banalogue data

Hardware to measure physical properties

• Display

• LCD

• Sensor

• Keyboard

Sensor used to measure water in air in greenhouse

• Moisture Sensor

• Humidity Sensor

• Level Sensor

• Light Sensor

Sensor used in Burglar alarm

• Infr-red sensor

• Humidity Sensor

• pH Sensor

• Gas Sensor

Light sensor detects_____

Sensor that is used to find how much fuel is in the car

• Gas Sensor

• pH Sensor

• Level Sensor

• Infr-red Sensor

Sensor used to detect the acidity of soil

• Gas Sensor

• Moisture sensor

• Infra-red sensor

• pH sensor

Speakers need which device to convert digital data to analogue

• ADC

• CAD

• DCA

• DAC

Actuator is which type of device

• Input

• Processing

• Speaker

• Output

Device which has millions of micro-mirrors which can be turned on or off

• LCD

• CCFL

• DLP

• LED