Eckert, . Presper, Jr., 111–12, 121, 152, 157–58, 161, 163, 219, 222
design of EDVAC and, 139–42
ENIAC and, 120–24
patent quarrels and, 151–53
stored program computer and, 135–37
UNIVAC and, 156–163
Eckert, Wallace, 139, 188
Eckert-Mauchly Computer Corporation, 155–162 See also Eckert, J. Presper Jr.; Mauchly, John W.
EDSAC (Electronic Delay Storage Automatic Computer), 150, 195, 254
EDVAC (Electronic Discrete Variable Computer), 132–33, 135, 140, 150, 154–55
conception of, 135–36
financing of, 195
logical design of, 139–42
patent quarrels and, 151–53
Electrical Engineering, 201
Electric calculators, 82
Electronic calculator, 95, 110–11, 261
Electronic components, 232–33. See also Integrated circuits; Transistors
Electronic Control Company, 157
Electronic hobbyists, and development of personal computers, 268–76
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), 125–27, 154–55, 208, 253–54
design of H-bomb and, 130–31
difference from Atanasoff-Berry Computer, 122
financing of, 195
invalidation of patent for, 222–23
invention of, 2, 4, 120–25
location for building, 107
military and, 108–12
patent for, 220
patent quarrels for, 151–53
predecessors to (see Atanasoff-Berry Computer, Digital electronic calculators; Mark I [Harvard]; Relay calculators)
programming, 210–12
structure and operation of, 125–30
switches of, 124
tubes from, 123