Signal 03 : (ICT) Electrical or electromagnetic energy transmitted from one point in a circuit to another along the channels connecting them. A signal can carry data which is either analogue or digital
Quality Information Agency QIA, National Teaching and Learning Change Programme, Information and Communication Technology (ICT), Dictionary of ICT terms, UK 2015. http://resources4ict.excellencegateway.org.uk/sear ch.php?show=20&letter=a, (Info and Commun Tech - Amer) {245}