Piastra di memoria magnetica URSS nucleo ferrite BP-20 RAM 4096 bit + manuale!
Capacity 4096 words. Capacity: 1 tiny ferrite toroid = 1 bit. The capacity of the whole cube is 73728 bit (9 Kb). FERRITE MATRIX. 4 The ban and read winding are sewn in such a way that simultaneously two windings cover only 1024 ferrite cores.