Updated: 04/26/2017 by Computer Hope
Adder may refer to any of the following:
1. Component of a computer processor that adds two numbers sent from the processing instructions.
2. An adder is a circuit that sums the amplitudes of two input signals. A half-adder is a group of connected logic gates that create a logic circuit, incapable of handling addition for two numbers. A full-adder is a circuit that adds two binary numbers.