Multiplexer-Based Transfers - Multiple inputs are selected by amultiplexer dedicated to the register (Section 6-8) Bus-Based Transfers - Multiple inputs are selected by ashared multiplexer driving a bus that feeds inputs to multiple registers (Section 6-8) Three-State Bus - Multiple inputs are selected by3-state drivers with outputs connected to a bus that feeds multipleregisters Other Transfer Structures - Use multiple multiplexers, multiple buses,and combinations of all the above