E

Eckert, . Presper, Jr., 11112, 121, 152, 15758, 161, 163, 219, 222

design of EDVAC and, 13942
ENIAC and, 12024
patent quarrels and, 15153
stored program computer and, 13537
UNIVAC and, 156163

Eckert, Wallace, 139, 188
Eckert-Mauchly Computer Corporation, 155162 See also Eckert, J. Presper Jr.; Mauchly, John W.
EDSAC (Electronic Delay Storage Automatic Computer), 150, 195, 254
EDVAC (Electronic Discrete Variable Computer), 13233, 135, 140, 150, 15455

conception of, 13536
financing of, 195
logical design of, 13942
patent quarrels and, 15153

Electrical Engineering, 201
Electric calculators, 82
Electronic calculator, 95, 11011, 261
Electronic components, 23233. See also Integrated circuits; Transistors
Electronic Control Company, 157
Electronic hobbyists, and development of personal computers, 26876
Electronic multiplier, IBM’s, 190
Electrostatic tubes. See Cathode ray tubes
Engineering Research Associates (ERA), 218
Engines. See Analytical Engine; Difference Engine
ENIAC (Electronic Numerator, Integrator, Analyzer and Computer), 12527, 15455, 208, 25354

design of H-bomb and, 13031
difference from Atanasoff-Berry Computer, 122
financing of, 195
invalidation of patent for, 22223
invention of, 2, 4, 12025
location for building, 107
military and, 10812
patent for, 220
patent quarrels for, 15153
predecessors to (see Atanasoff-Berry Computer, Digital electronic calculators; Mark I [Harvard]; Relay calculators)
programming, 21012
structure and operation of, 12530
switches of, 124
tubes from, 123

Etzler, J. A., 284
Everett, Robert R., 19799, 202