G PHYSICS
G06 COMPUTING OR CALCULATING; COUNTING
G06F ELECTRIC DIGITAL DATA PROCESSING
G06F15/00 Digital computers in general; Data processing equipment in general
G06F15/16 Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
G06F15/177 Initialisation or configuration control