What distinguishes haptic actuators from non-haptic actuators?

Haptic actuators are specifically designed to provide tactile feedback to the user, making option B the distinguishing characteristic of haptic actuators compared to non-haptic actuators. Tactile feedback refers to the sensations produced when a device conveys information through touch, such as vibrations or motions, enabling users to feel virtual textures, forces, and impacts. This capability is integral to enhancing user experiences in interfaces, gaming, and simulations, allowing for more immersive interactions.

In contrast, the other options do not accurately define haptic actuators. While some actuators may generate heat, this is not a fundamental aspect of haptic technology. The classification of actuators as digital or analog does not inherently make them haptic; many non-haptic actuators can also be digital or analog depending on their design and application. Finally, power consumption varies by design and application, so it's not universally true that haptic actuators consume more power than their non-haptic counterparts.