(ICT) Network cards are required in every machine connected to the network. They allow the signal from the network to be transmitted to the machine - this could be via a fixed cable, infra red or radio waves. NICs slot into the Motherboard.
Teach-ICT.com (Information and Communications Technology), Browse by alphabet, USA 2015. http://www.teach-ict.com/glossary/E/ergonomics.htm , (Info and Commun Tech - Amer) {736}