| 711 / | HD | ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: MEMORY |
| 100 | DF | STORAGE ACCESSING AND CONTROL {6} |
| 101 | DF | .~ Specific memory composition {8} |
| 111 | DF | .~.~ Accessing dynamic storage device {1} |
| 112 | DF | .~.~.~ Direct access storage device (DASD) {2} |
| 113 | ![]() | .~.~.~.~ Caching |