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The UNIVAC 1004 was a plug-board programmed punched-card data processing system, introduced in 1962 by UNIVAC. Total memory was 961 characters (6 bits per character) of core memory . Peripherals were a card reader (400 cards/minute), a card punch (200 cards/minute) using proprietary 90-column, round-hole cards or IBM-compatible, 80-column cards ...
This is a list of UNIVAC products. It ends in 1986, the year that Sperry Corporation merged with Burroughs Corporation to form Unisys as a result of a hostile takeover bid [ 1 ] launched by Burrough's CEO W. Michael Blumenthal.
The UNIVAC 1103A or Univac Scientific is an upgraded version introduced in March 1956. [8] [9] [1] [page needed] Significant new features on the 1103A were its magnetic-core memory and the addition of interrupts to the processor. [10] The UNIVAC 1103A had up to 12,288 words of 36-bit magnetic core memory, in one to three banks of 4,096 words each.
The UNIVAC I at Case was still operable in 1965 but had been supplanted by a UNIVAC 1107. [citation needed] A few UNIVAC I systems stayed in service long after they were made obsolete by advancing technology. The Census Bureau used its two systems until 1963, amounting to 12 and 9 years of service, respectively.
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An upgraded 1106 was called the UNIVAC 1100/10. In this new naming convention, the final digit represented the number of CPUs or CAUs in the system, so that, for example, a two-processor 1100/10 system was designated an 1100/12. An upgraded 1108 was called the UNIVAC 1100/20. An upgraded 1110 was released as the UNIVAC 1100/40.
The UNIVAC 1105 was a follow-on computer to the UNIVAC 1103A introduced by Sperry Rand in September 1958. [1] The UNIVAC 1105 used 21 types of vacuum tubes, 11 types of diodes, 10 types of transistors, and three core types. The UNIVAC 1105 had either 8,192 or 12,288 words of 36-bit magnetic core memory, in two or three banks of 4,096 words each ...
univac 1103 The ERA 1101 , later renamed UNIVAC 1101 , was a computer system designed and built by Engineering Research Associates (ERA) in the early 1950s and continued to be sold by the Remington Rand corporation after that company later purchased ERA.