Delay Line Memory: How Computers Remembered Before RAM
Before there was random access memory , there was wait argument retentiveness . It was random in a dissimilar sense ; it involved turning electrical pulse rate into reasoned wave , mail them through tenacious tubes of atomic number 80 , and re - electrifying them at the other terminal . The engineering science had its roots in the work of engineer J. Presper Eckert , who grow pedigree postponement system to ameliorate radar during World War II ....