| 710 / | HD | ELECTRICAL COMPUTERS AND DIGITAL DATA PROCESSING SYSTEMS: INPUT/OUTPUT |
| 100 | DF | INTRASYSTEM CONNECTION (E.G., BUS AND BUS TRANSACTION PROCESSING) {7} |
| 126 | ![]() | .~ Bus architecture {2} |
| 127 | DF | .~.~> Buses having variable widths |
| 128 | DF | .~.~> Dual bus system |