Machine code, 211
Maestlin, Michael, 17
Magnetic core memories, 194
commercial IBM, 205
development of, 201–2
Manchester Mark I. See Mark I (Manchester)
MANIAC (Mathematical Analyzer, Numerator, Integrator, and Computer), 153–54
Mark-8 personal computer, 269–70
Markkula, A. C., 279–80
Mark I (Ferranti), 150
Mark I (Harvard)
design and development of, 103–7
first stored program on, 212
IBM financing of, 187–88
Mark I (Manchester), 148–50, 195, 254
Mark II, 108
Marquand, Allan, 91
Massachusetts Institute of Technology (MIT)
Digital Computer Lab and IBM, 230
differential analyzer and, 86–87, 108, 122
SAGE computer and, 203–5
Whirlwind computer and, 196–97
Mathematical tables, 39–40, 107
Mathematics
Boolean, 89–92
complex, 101–3
decimal vs. binary, 34
Mauchly, John W., 110–12, 121, 152, 157–58, 220, 222
Atanasoff and, 113–14, 116–20
background on, 112
design of EDVAC and, 139–42
development of ENIAC and, 120–23
ENIAC memo of, 110–11
patent quarrels and, 151–153
stored programs and, 135–37
UNIVAC and, 156–63
Maudslay, Henry, 48
McLuhan, Marshall, 285
Memory, 65
magnetic core, 194, 201–2
random-access read/write, 140
regenerative, 220
reliable internal, 148–51
sophisticated RAM, 261
storing data and programs in, 134
Memory chips. See RAM; ROM
Mesa transistors, 241–42
Metropolis, Nicholas, 154
Microchips. See Integrated circuits
Micromodule Plan, 232–33, 235
Microprocessor, 251
chips for, 264
development of, 261–65
first commercial, 264–65
importance of, 285
Microsoft Corporation, 275
Military
computers and, 195–96
development of electronic calculators and, 108–112
miniaturization of electronic components and, 232–33
See Ballistics Research Laboratory; BINAC
Mill, of analytical engine, 60–62
Millionaire calculator, 80
Mims, Forrest, III, 271
Miniaturization, of electronic components, 230, 232–33, 235
Minicomputer, first successful, 257–58
MITS (Micro Instrumental and Telemetry Systems), 270–76
advertisements for, 274
Altair 8800, 270–76, 278
Model 1, relay calculator, 102–3
Molds, printing, 59
Monads, 35
Monroe, Jay Randolph, 79
Monroe Calculating Machine Company, 79, 103
Moore, Albert Fitler, 107
Moore, Gordon, 240, 259
Moore School of Electrical Engineering, 107–10, 136–137
John Mauchly and, 119–20
patent quarrels and, 151–53
MOS Technology, 278
Moulton, John Fletcher, 66
Muller, J. H., 42
Multiplication
analytical engine and, 61
engraved table for, 10
sign for, 12
Stepped Reckoner and, 32–33
Multiplication-table calculator, 80
Multiplication tables, 9–10, 79–80
Multiplier
five-digit, 199
IBM electronic, 190
Multiprocessing, definition of, 208
Multiprocessing computer, 255
Murrow, Edward R., 164