An electromechanical item which accepts and systematically retains digital input data in such a manner as to facilitate the rapid recovery of the stored information. The item consists of a drumlike structure the surface of which is coated with a material susceptible to spot magnetization, integral wiring, a drive motor and its mechanical linkage, and data translating heads for impressing on or removing from the drum surface data in digital form. The item is a component of an electronic computer. See also core memory unit.
Classification: Machines and units thereof for processing data, nesoi
NSN 5920-01-312-0987
NSN 5960-01-082-7821
NSN 5910-00-700-3360
NSN 7035-00-048-3723
NSN 6135-01-142-6456
NSN 5855-01-447-3137
NSN 5990-01-584-6213
NSN 6645-01-605-4351
NSN 5945-01-365-0754
NSN 5915-01-367-2056
NSN 5905-00-461-3187
NSN 6145-00-158-5549