см. в статье Код в ЦВМ.
inverted code, complement-on-nine, complement-on-one, base minus one complement, nine's complement, one's complement, radix-minus-one complement, complement, nine's complement representation
diminished radix complement,(в двоичной системе) one's complement, inverse [inverted\] code
diminished radix complement,(в двоичной системе) one's complement, inverse [inverted] code
обе́рнений код, зворо́тний код
обе́рнений код, зворо́тний код