So parallel systems need fair criteria to draw district boundaries.

Between 2005 and 2007, the number of parallel systems did fall, by about 10% in 33 countries.

The figure on the right illustrates the difference between distributed and parallel systems.

Figure (c) shows a parallel system in which each processor has a direct access to a shared memory.

In theory there are two parallel systems here: mental health and custody.

In a parallel system, changes in values can be problematic.

We process information in parallel systems while remaining conscious.

They have been operating as two parallel systems for decades, with very little contact.

A parallel system is now being phased in for physicians.

You've told me that your school and others have had to build "parallel" systems of record keeping.