B

Babbage, Charles, 40, 67

Analytical Engine and, 5861, 6366
background of, 40, 4447, 49
Difference Engine and, 4144, 4757
old age of, 66
support of inventors by, 567

Babbage, Georgina (Whitmore), 468
Babylonian number systems, 4
Backus, John, 2135
Baldwin, Frank Stephen, 789
Ballistic Research Laboratory (BRL), 109112

EDVAC and, 133
ENIAC and, 1234
firing tables and, 120

Bardeen, John, 2278, 239
Barnes, Major General G. L., 121
Barron, C. B., 1689
Bartik, Jean, 157
BASIC, 217, 253, 275
Batch processing, 2534
Beckman, Arnold, 240
Bell Punch Company, 261
Bell Telephone Laboratories, 99102, 153, 220

calculators:
Model I, 102
Model II 102
Model V, 102, 106
symposium on transistors and, 229
transistors and, 2257

Bemis, Richard, 13
Bendix, 220
Bernstein, Jeremy, 106
Berry, Clifford, 114, 116, 119. See also Atanasoff-Berry Computer
Best, Sheldon, 215
Bibby, Dause L., 219
Billings, John Shaw, 701
BINAC (Binary Automatic Computer), 15960
Binary adder, 101
Binary calculators. See Atanasoff-Berry Computer; Zuse, Konrad
Binary enumeration, 3435, 90
Binary math, 35, 1001
Birkenstock, James, 1912
Bit (binary digit), 35
Blank, Julius, 240
Bollee, Leon, 80
Bombs

development of atomic, 139
ENIAC and hydrogen, 1301
mechanical calculators and, 96

Boole, George, 8991
Boolean algebra (or logic)

description of, 8992
digital electronic calculator and, 114, 122
relay switches and, 1001

Brainerd, John Grist, 11011, 121, 152
Branching in computer programs. See Conditional jumps
Brattain, Walter, 2278
Briggs, Henry, 79
BRL. See Ballistics Research Laboratory
Broomall, John, 135
Brown, Gordon S., 196
Burks, Arthur, 98, 154
Burroughs, William S., 812
Burroughs Adding Machine Company, 1824, 220, 250, 259
Burroughs calculator, 823

B2500, 250
B3500, 250

Bush, Vannevar, 868, 100, 108, 113, 137, 139
Bushnell, Nolan, 279
Busicom, 2614
Business machine industry (1928-1945), 1834
Bybee, Jim, 2723
Byron, Augusta Ada (Countess of Lovelace), 645
Byte, 275
Byte shop, 279