Multicore processors are formed by:

A. connecting identical processors in a parallel combination, and drawing power from the same source.
B. putting two or more lower power processor cores on a single chip.
C. connecting a series of high powered processors through a single power source.
D. slicing a flat chip into pieces and reconnecting the pieces vertically.
E. connecting a combination of parallel and series-connected processors to a single larger processor to supplement its functioning.