One pass code is final version of executable file for end user with zero error. While compile the software it give Error it give the list of error to end user further to address the issue.
Step-by-step explanation:
In computer pass of a code is used in compiler mode of programing languages. Normally end user after completing the software development he or she will compile the software programs.
So as result compiler will pass code in multiple sequence and make the software as executable file as standalone or execute file which executable software can understanding language.