Part 58

Optical scanning, 240

OR gate, 112, 113, 117, 119

Outline of Psychology, 124

Output, computer, 51, 65, 125

Packaging density, 9, 140

Paper tape, 54

Papermaking, 209

Paradox, 45

Parallel addition, 107

Parallel operation, 126

Parametron, 255

Parity bit checking, 105

Parrish, Stephen Maxfield, 235

Pascal, Blaise, 30, 85

Patent Office, U. S., 249

Pauling, Linus, 7, 268

Pavlov, 133

Peace Corps, 149, 258

Peale, Mundy, 125

PEP system, 186

Perceptron, 7, 8, 134, 135

PERT system, 186

Petroleum industry, 208

Philadelphia Electric Co., 208

Philco Corp., 240

Phillips Petroleum Co., 207

Phonetic typewriter, 56

Picatinny Arsenal, 157