This article is about the American computer sometimes known as Atlas. For the British supercomputer also known as Atlas, see Atlas (computer).
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UNIVAC 1101
UNIVAC 1101
Also known as
ERA 1101
Developer
Engineering Research Associates (ERA)
Manufacturer
Engineering Research Associates
Release date
1950; 74 years ago (1950)
Dimensions
38 ft (12 m) long, 20 ft (6.1 m) wide
Mass
8.4 short tons (7.6 t)
Successor
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. Its (initial) military model, the ERA Atlas, was the first stored-program computer that was moved from its site of manufacture and successfully installed at a distant site. Remington Rand used the 1101's architecture as the basis for a series of machines into the 1960s.
The ERA 1101, later renamed UNIVAC1101, was a computer system designed and built by Engineering Research Associates (ERA) in the early 1950s and continued...
The UNIVAC 1103 or ERA 1103, a successor to the UNIVAC1101, is a computer system designed by Engineering Research Associates and built by the Remington...
wind tunnels and an engine test facility. The 1102 was a variant of the UNIVAC1101, using its 24-bit word and a smaller (only 8,192 words) drum memory....
UNIVAC (Universal Automatic Computer) was a line of electronic digital stored-program computers starting with the products of the Eckert–Mauchly Computer...
confirmed by calculations done at the US Bureau of Standards by the UNIVAC1101 computer, for which a special program had to be written to perform such...
In particular, there was an entire class of drum machines, like the UNIVAC1101 and LGP-30, that share some features of the minicomputer class. Similar...
commercially as the ERA 1101 and UNIVAC1101. Through mergers, ERA became a division of UNIVAC shipping the Series 1100 drum as a part of the UNIVAC File Computer...
actual use in April 1951. The first ERA Atlas (later the commercial ERA 1101/UNIVAC1101) was installed in December 1950. Through the decades of the 1960s and...
derivation from a split-anode magnetron. Trochotrons were used in the UNIVAC1101 computer, as well as in clocks and frequency counters. The first trochotrons...
actual use in April 1951. The first ERA Atlas (later the commercial ERA 1101/UNIVAC1101) was installed in December 1950. The disadvantage of a MISC is that...
program computer, the basis of the Univac1101, which was followed by the 1102, and then the 36-bit ERA 1103 (UNIVAC 1103). The Atlas was built for the...
operating system kernel of OS 2200 is a lineal descendant of Exec 8 for the UNIVAC 1108 and was previously known as OS 1100. Documentation and other information...
Retrieved August 25, 2019. Walker, John (1996-08-06). "UNIVAC 1100 Series FIELDATA Code". UNIVAC Memories. Archived from the original on 2016-05-22. Retrieved...
They were eventually purchased by Remington Rand and merged into their UNIVAC department. Many of the company founders later left to form Control Data...
modulation code, mapping eight bits to nine bits. In the mid-1970s, Sperry Univac, ISS Division was working on large hard drives for the mainframe business...
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