1945 J. P. Eckert et al. (PB 86242) (Moore School of Electr. Engin., Univ. Pennsylvania) iii. 1 The memory elements of the machine may be divided into two groups—the ‘internal memory’ and the ‘external memory’.
1994 Mar. 40/1 If a memory element switches from ‘0’ to ‘1’, the mirror above it will also instantly flip positions.