ones-complement code

ones-complement code

[′wənz ′käm·plə·mənt ‚kōd] (computer science) A number coding system used in some computers, where, for any number x, x = (1 - 2 n-1)· a0+ 2 n-2 a1+ ⋯ + an-1, where ai = 1 or 0.