| 710 / | HD | ELECTRICAL COMPUTERS AND DIGITAL DATA PROCESSING SYSTEMS: INPUT/OUTPUT |
| 1 | DF | INPUT/OUTPUT DATA PROCESSING {16} |
| 15 | ![]() | .~ Peripheral monitoring {4} |
| 16 | DF | .~.~> Characteristic discrimination |
| 17 | DF | .~.~> Availability monitoring |
| 18 | DF | .~.~> Activity monitoring |
| 19 | DF | .~.~> Status updating |