▁in ▁ 1 9 8 0 , ▁various ▁models ▁and ▁variants ▁of ▁the ▁series ▁were ▁among ▁the ▁most ▁popular ▁Soviet ▁micro process ors ▁and ▁domin ated ▁embedded ▁systems ▁and ▁military ▁applications ▁of ▁the ▁ 1 9 8 0 s . ▁They ▁were ▁also ▁used ▁in ▁widely ▁different ▁areas ▁such ▁as ▁graph ing ▁calcul ators ▁( E le ktr on ika ▁M K - 8 5 ) ▁and ▁industrial ▁C NC s ▁( E le ktr on ika ▁NC ▁series ), ▁but ▁arg u ably ▁their ▁most ▁well - known ▁use ▁was ▁in ▁several ▁Soviet ▁general - pur pose ▁mini - ▁and ▁micro comput er ▁designs ▁like ▁ ▁the ▁SM ▁E VM , ▁D V K , ▁UK NC , ▁and ▁B K ▁families . ▁Due ▁to ▁being ▁the ▁CPU ▁of ▁the ▁popular ▁Ele ktr on ika ▁B K ▁home ▁computer , ▁used ▁in ▁its ▁late ▁years ▁as ▁a ▁demo ▁machine , ▁as ▁well ▁as ▁the ▁D V K ▁mic ros ▁that ▁often ▁offered ▁a ▁first ▁g limp se ▁into ▁the ▁UN IX ▁world , ▁this ▁processor ▁achieved ▁something ▁of ▁a ▁cult ▁status ▁among ▁Soviet ▁and ▁then ▁Russian ▁program mers . ▁ ▁Development ▁The ▁history ▁of ▁this ▁CPU ▁st ems ▁from ▁the ▁early ▁ 1 9 7 0 s , ▁when ▁the ▁group ▁of ▁engine ers ▁in ▁Z elen og rad ' s ▁Special ▁Comput ing ▁Center , ▁led ▁by ▁D . I . ▁Y ud it sky , ▁developed ▁their ▁first ▁ 1 6 - bit ▁min ic om put er , ▁called