G PHYSICS
G06 COMPUTING; CALCULATING OR COUNTING
G06F ELECTRIC DIGITAL DATA PROCESSING
G06F9/00 Arrangements for program control, e.g. control units
G06F9/06 using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
G06F9/44 Arrangements for executing specific programs
G06F9/451 Execution arrangements for user interfaces