Skip to content

National Teaching and Learning Change ProgrammeInformation and Communication Technology: Dictionary

signal

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.

Related terms
control unitfetch-execute cycleinstruction cyclegatefibre optic cableoptical fibreanalog/analoguedigitalnoiseconvertermodemhandshakeinternet protocol (IP)transmission control protocol/internet protocol (TCP/IP)voice over internet protocol (VoIP)interrupt
Term sub categories
Networks and communications technology › data transmission
Jump:a-b-c-d-e-f-g-h-i-j-k-l-m-n-o-p-q-r-s-t-u-v-w-x-y-z-symbols