. The Bell System technical journal . Fig. 16 — Wiring side of relay unit. longed intervals of loss of power. The amount of memory is measuredin terms of binary digits or bits. The number of bits equivalent tosingle cross connection can be rather large. Therefore, electronic mem-ory replacing fixed memory such as in the card translator in modernelectromechanical systems should be high in bit capacity, from 10^ to10^ bits for 10,000 Fig. 17 — Magnetic drum. 1008 THE BELL SYSTEM TECHNICAL JOURNAL, SEPTEMBER 1956

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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1