Full form of LiFi is?

A. Light Fidelity

B. Laser Fidelity

C. Light Frequency

D. Light Fiber

Correct Answer is :

A. Light Fidelity

Explanation

LiFi (light fidelity) is a bidirectional wireless system that transmits data via LED or infrared light. It was first unveiled in 2011 and, unlike wifi, which uses radio frequency, LiFi technology only needs a light source with a chip to transmit an internet signal through light waves.