19 events with tag "IBM"
1924
ID: 4230
February 14, 1924
C-T-R renamed International Business Machines Corporation (IBM) under Watson's leadership
ID: 4230
1928
ID: 4232
IBM introduces 80-column punch card format, replacing 45-column cards - becomes industry standard for decades
ID: 4232
1931
ID: 4234
IBM introduces Type 600 series multiplying punch - first machine to perform multiplication automatically
ID: 4234
1933
ID: 4235
IBM introduces Type 285 Printing Tabulator and Type 401 Alphabetical Accounting Machine
ID: 4235
1935
ID: 4236
IBM's punch card operation processes Social Security enrollment for 26 million Americans
ID: 4236
1936
ID: 4237
IBM introduces Type 601 Multiplying Punch with relay-based calculation - 100 cards per minute
ID: 4237
1937
ID: 4238
IBM collaborates with Howard Aiken on Harvard Mark I design, applying punch card technology to general computation
ID: 4238
1940
ID: 4239
U.S. Census uses IBM equipment exclusively - processes 58 million punch cards for population data
ID: 4239
1943
ID: 4240
IBM dedicates all production to Allied war effort - punch card machines used for military logistics and calculations
ID: 4240
1944
ID: 4241
August 1944
IBM completes Harvard Mark I (ASCC) - 51 feet long, uses punch cards for input, bridges mechanical and electronic computing
ID: 4241
1946
ID: 4242
IBM introduces Type 602-A Calculating Punch and 603 Electronic Multiplier - first IBM products with vacuum tubes
ID: 4242
1948
ID: 4243
IBM introduces Type 604 Electronic Calculating Punch - 1,400 vacuum tubes, programmable via plugboard
ID: 4243
1949
ID: 4244
IBM introduces Card-Programmed Electronic Calculator (CPC) - combines 604 with other units for complex calculations
ID: 4244
1950
ID: 4245
IBM punch card revenue exceeds $500 million annually - dominates business data processing market before electronic computers
ID: 4245
1953
ID: 4260
Remington Rand holds brief lead in computer market with UNIVAC installations before IBM 701 gains momentum
ID: 4260
1954
ID: 4303
IBM begins developing FORTRAN under John Backus - first high-level programming language for science
ID: 4303
1956
ID: 4264
IBM surpasses Sperry Rand in computer installations - IBM's superior sales force and business focus defeats technical advantages
ID: 4264
1964
ID: 4419
IBM develops PL/I - Programming Language One, attempt to combine FORTRAN, COBOL, ALGOL features
ID: 4419
1997
ID: 3025
Scientists at IBM demonstrate the first quantum mirage, advancing quantum materials research
ID: 3025