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 4140-01-453-2493
NSN 6220-01-642-1660
NSN 5975-01-587-2772
NSN 6610-01-647-7412
NSN 5835-01-213-0833
NSN 6320-01-224-0063
NSN 6620-01-519-2628
NSN 6620-01-118-7588
NSN 6610-00-186-9180
NSN 7035-00-487-8761
NSN 6645-01-435-8356
NSN 5930-01-467-9523