What Does Parallel Processing Mean?

Parallel processing is a method of simultaneously breaking up and running program tasks on multiple microprocessors in order speed up performance time. Parallel processing may be accomplished with a single computer that has two or more processors (CPUs) or with multiple computer processors connected over a computer network. Parallel processing may also be referred to as parallel computing.

Techopedia Explains Parallel Processing

Parallel processing runs two or more task segments simultaneously on multiple processors to reduce the overall time for processing massive volumes of data.