Question

Which of these statements regarding sensors is TRUE?
Sensors are input devices
Sensors can be analog as well as digital
Sensors respond to some external stimuli
All of these

Answer 1

Sensor can take input (as light or sound).

They can be used in digital and analogs.

They responds to external stimuli (their input).

So, all of these.

-WonderGirl

Answer 2

Answer:

All of the given statements are true.

Explanation:

Human beings have senses to touch, taste, feel, observe etc. Likewise, certain machines have sensors to observe and react. It detects the presence of energy. These respond to the signal, it can also convert electrical power into analog or digital and make the output readable. These sensors also respond to some external stimuli. Micro-sized sensors operate on micro-sized batteries. There are thermal sensors, mechanical sensors, electrical sensors, chemical sensors etc