Concept in Definition ABC

The cable is a more or less thick cord that can contain one or more conductive wires, which are not They see because they are protected by an insulating cover and that traditionally humans use them in electricity being they responsible or not for the ignition of all those electrical things that we have at home, as well as to carry out telephone and telegraphic communications.

The material traditional with which the cables are manufactured is copper, given the excellent conductivity that it covers, or in its defect, the next alternative is aluminum which, although it loses a little in terms of conductivity, gains on economy. Among the different types of cable we find: coaxial cable, pair cable, shielded cable, twisted pair cable and Litz wire.

On the other hand, In some Spanish-speaking countries such as Argentina, the term cable is used to designate television that does not go through air but by cable and that from its beginnings to the present implies the payment of a subscription to access it, unlike what What happens with the aforementioned over-the-air television, which requires additional elements to achieve the reception.

Is that cable television arises from the need to bring people a new proposal that does not require receivers, antennas and players to see the programming from some channel. This type of television requires a network of cables that starts from a headend from which they are grouped in multiplicity of frequencies the different channels that in turn have diverse origins, some coming from satellites and others that are created by the company itself. cable.

Also, the term cable has a special participation and significance in the news world, since traditionally and as a consequence of the way in which the communication: cablegram, some journalists and broadcasters use the term to refer to a news that came at the last minute, generally say: through a last minute cable the guilds confirmed the unemployment.