What Is a Haptic Interface

question 374

Multiple Choice

What is a haptic interface?

• A)The viewing of the physical world with computer-generated layers of information added to it.
• B)A wearable computer with an optical head-mounted display (OHMD).
• C)Uses technology allowing humans to interact with a computer through bodily sensations and movements.
• D)A work environment that is not located in any one physical space.

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Definitions:

Capacitance

The ability of a system to store an electrical charge when a potential difference exists between its conductors.

Reactive Power

The portion of electricity that oscillates between the source and load, not converted into useful work, often measured in Volt-Amperes-Reactive (VAR).

True Power

The actual power consumed by a device, calculated in watts as the product of voltage, current, and the cosine of the phase angle for AC circuits.

Clamp-On Ammeter

A type of ammeter that can measure a wire's current without the need to disconnect it from the circuit, by clamping around the wire.