See function.
The quantity of material, energy, or power fed into a system. Compare output.
1. The process of entering data into a processing system or a peripheral device, or the data that is entered.
2. A signal that is applied to an electrical circuit, such as a logic circuit.
3. To enter data or apply a signal.
1. The signal or driving force applied to a circuit, device, computer, machine, or other plant.
2. The terminals at which this signal is applied.
3. To apply as an input signal or driving force.
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