710 / | HD | ELECTRICAL COMPUTERS AND DIGITAL DATA PROCESSING SYSTEMS: INPUT/OUTPUT |
1 | DF | INPUT/OUTPUT DATA PROCESSING {16} |
62 | DF | .~ Peripheral adapting {4} |
72 | .~.~ Application-specific peripheral adapting {2} | |
73 | DF | .~.~.~> For user input device |
74 | DF | .~.~.~> For data storage device |