What does the acronym CU stand for?

In Computing, CU means Control Unit.

CU can mean CUbic, a math measurement. -- this is not an acronym

In electrical, CU stands for copper. -- this is not an acronym

In banking, CU is Credit Union.

CU is the abbreviation for Cuba. -- this is not an acronym

CU is the abbreviation for Cornell University; Clemson University, and Corporate University.