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The UNIVAC 1103 or ERA 1103, a successor to the UNIVAC 1101, was a computer system designed by Engineering Research Associates and built by the Remington Rand corporation in October, 1953. The UNIVAC 1101, or ERA 1101, was a computer system designed by Engineering Research Associates (ERA) and built by the Remington Rand corporation in the 1950s. ...
Engineering Research Associates, commonly known as ERA, was a pioneering computer firm from the 1950s. ...
Remington Rand was an early American computer manufacturer, best known as the original maker of the UNIVAC, and now part of Unisys. ...
Jump to: navigation, search 1953 is a common year starting on Thursday. ...
The UNIVAC 1103 had 1024 words of 36 bit Williams tube memory (first commercial computer to use random access memory). Each of the 36 Williams tubes was five inches in diameter. A magnetic drum memory provided 16,384 words. Both the electrostatic and drum memories were directly addressable: addresses 0 through 01777 (Octal) were in electrostatic memory and 040000 through 077777 (Octal) were on the drum. In computing, word is a term for the natural unit of data used by a particular computer design. ...
Jump to: navigation, search This article is about the unit of information. ...
The Williams tube or (more accurately) the Williams-Kilburn tube (after Freddie Williams and coworker Tom Kilburn), developed about 1946 or 1947, was a cathode ray tube used to store electronic data. ...
Random access memory (sometimes random-access memory), commonly known by its acronym RAM, is a type of computer storage whose contents can be accessed in any (i. ...
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The octal numeral system is the base-8 number system, and uses the digits 0 to 7. ...
The octal numeral system is the base-8 number system, and uses the digits 0 to 7. ...
Fixed-point numbers had a 1-bit sign and a 35-bit value, with negative values represented in one's complement format. In computing, a fixed-point number representation is a real data type for a number that has a fixed number of digits after the decimal (or binary or hexadecimal) point. ...
In mathematics, negative numbers in any base are represented in the usual way, by prefixing them with a - sign. ...
Instructions had a 6-bit operation code and two 15-bit operand addresses. An instruction set, or instruction set architecture (ISA), describes the aspects of a computer architecture visible to a programmer, including the native datatypes, instructions, registers, addressing modes, memory architecture, interrupt and exception handling, and external I/O (if any). ...
Programming systems for the machine included the RECO regional coding assembler by Remington-Rand, the RAWOOP one-pass assembler and SNAP floating point interpretive system authored by the Ramo-Wooldridge Corporation in Los Angeles, the FLIP floating point interpretive system by Consolidated Vultee Aircraft in San Diego, and the CHIP floating point interpretive system by Wright Field in Ohio. TRW Incorporated was an American corporation involved in a number of businesses, mostly defense-related, but including automotive supply and credit reporting. ...
A floating-point number is a digital representation for a number in a certain subset of the rational numbers, and is often used to approximate an arbitrary real number on a computer. ...
The Consolidated Vultee Aircraft Corporation, universally known as Convair, was the result of a 1943 merger between Consolidated Aircraft and Vultee Aircraft, resulting in a leading aircraft manufacturer of the United States. ...
Jump to: navigation, search National Museum of the United States Air Force at WPAFB Wright-Patterson Air Force Base is a U.S. Air Force base in Greene and Montgomery counties, adjacent to Fairborn and Dayton, Ohio. ...
History Even before the completion of the Atlas (UNIVAC 1101), the Navy asked Engineering Research Associates to design a more powerful machine. This project became Task 29, and the computer was designated Atlas II.
In 1952, Engineering Research Associates asked the Armed Forces Security Agency (the predecessor of the NSA) for approval to sell the Atlas II commercially. Permission was given, on the condition that several specialized instructions would be removed. The commercial version then became the UNIVAC 1103. Because of security clearances, Remington Rand management was unaware of this machine before this. Jump to: navigation, search 1952 was a leap year starting on Tuesday (link will take you to calendar). ...
This article is about the US government agency. ...
NSA can stand for: National Security Agency of the USA The British Librarys National Sound Archive This page concerning a three-letter acronym or abbreviation is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ...
Remington Rand was an early American computer manufacturer, best known as the original maker of the UNIVAC, and now part of Unisys. ...
Remington Rand announced the UNIVAC 1103 in February 1953. The successor machine was the UNIVAC 1103A or Univac Scientific, which improved upon the design by replacing the unreliable Williams tube memory with magnetic core memory, adding hardware floating point instructions, and a hardware interrupt feature. Jump to: navigation, search 1953 is a common year starting on Thursday. ...
The UNIVAC 1103A or Univac Scientific was an upgraded version of the UNIVAC 1103 introduced by Sperry Rand in March, 1956. ...
A 16×16 cm area core memory plane of 128×128 bits, i. ...
In computer science, an interrupt is a signal from a device which typically results in a context switch: that is, the processor sets aside what its doing and does something else. ...
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