半はん減げん算さん器き

noun

half subtractor

A digital logic circuit that subtracts two single-bit binary numbers, producing a difference and a borrow output. Domain-specific computing term.

• 半はん減げん算さん器きは全ぜん減げん算さん器きの構こう成せい要よう素そとして使つかわれる。

  A half subtractor is used as a building block for a full subtractor.