A system of television cameras, connected by cable to a control room, used for surveillance.

(physics) A pair of fundamental natural laws dealing with the relations of currents at a junction and the voltages around a loop.

(computing) A logical operator that returns a value as soon as the outcome is certain, without necessarily testing all operands (for example, an OR operator returning true if the first operand evaluates as true, without evaluating the second operand).

The difference of electrical potential between two terminals of a device when disconnected from any circuit. The open-circuit voltage of a cell is its EMF (electromotive force).

plural of closed-circuit television

A photonic device that integrates multiple information signals which are composed of light of various wavelengths.

plural of integrated optical circuit

plural of open circuit voltage

(computer hardware) a device interconnecting data terminal equipment (DTE) and a data transmission circuit.

plural of Data Circuit-Terminating Equipment