Grade9-Sensors

_______________is a device which automatically inputs data into a computer system, where the data is constantly changing.

• keyboard

• Microphone

• Joystick

• Sensor

______________sensor is used to measure heat in the room.

• Light

• Temperature

• Pressure

• Sound

______________sensor is used in detecting the plants when they become too dry.

• Humidity

• Temperature

• Pressure

• Sound

_________________ is constantly changing and it changes very smoothly

• Digital Data

• Analogue Data

Street Lighting control is done by ______________ sensors.

• Pressure

• Humidity

• Light

• Sound

Readings taken using sensors are more accurate

than those taken by a human.

• True

• False

What type of sensor can be used in Clapped Control Lights?

• Sound

• Pressure

• Humidity

• Light

Which of the following sensors would NOT be used to detect a car approaching a traffic light?

• Temperature

• Sound

• Pressure

• Motion

A sensor stores data that it collects

• True

• False

Automatic Door would use______________ sensors

• Moisture

• Temperature

• Humidity

• Motion