The computer may also offer facilities for splitting a product into a digit and carry without requiring the two operations of " mod " and " div " as in the example, and nearly all arithmetic units provide a " carry flag " which can be exploited in multiple-precision addition and subtraction.
22.
The UNIVAC 1110 had enhanced multiprocessing support : sixteen-way memory access allowed up to six CAUs ( Command Arithmetic Unit, the new name for CPU and so called because the CAU no longer had any I / O capability ) and four IOAUs ( Input Output Access Units, the name for separate units which performed the I / O channel programs ).
