Everyday Sensors

Humans have senses. Which answers are included in our 5 senses?

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Computers have sensors too! What do they do?

• They detect changes around them.

• They are software.

• They look cool.

Answer explanation

A sensor is an object that detects events or changes in its environment and sends the information to the computer.

Which one is a temperature sensor?

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Answer explanation

The temperature sensor detects temperature! How hot or cold something is.

Which one is a light sensor?

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Answer explanation

The light sensor detects light! It can be the light from the sun or from the electricity.

Which one is a proximity sensor?

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Answer explanation

The proximity sensor detects someone or something near!

The sensor is a type of input.

• True

• False

Once a computer has collected the information from the sensor and processed it, where does it send the information next?

• Input

• CPU

• Output

Answer explanation

A sensor is an object that detects events or changes in its environment and sends the information to the computer. The computer then tells the output devices to provide the corresponding output.