LED

Acronym for Light Emitting Diode a semiconductor diode that converts applied voltage to light and is used in lamps and digital displays.

Local Area Network (LAN)

A computer network, usually within one building, that connects computers, file and mail servers, storage, peripherals, and other devices in a way that permits data interchange and sharing of resources and devices.

LCD

Acronym for Liquid Crystal Display is the technology used for displays in notebook and other smaller computers allowing displays to be thin.