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This article will explain in detail when the first commercial computer came into being. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article.

The first commercial computer was the UNIVAC I (General automatic computer), which was produced in 1951 and sold by the Rimington Rand Corporation (now Unisys). The UNIVAC I was used by the United States Census Department for the census, marking the beginning of the era of commercial applications.

UNIVAC I (General automatic computer) is the first commercial electronic computer. It was sold by Rimington Rand (now Unisys) in 1951. The number of vacuum tubes is 5200, which is only less than 1/3 compared with ENIAC. The memory is 100 mercury delay tubes. It covers an area of 26.7 square meters and weighs 7.2 tons. UNIVAC was developed by Eckert ·Mauchly, founded by ENIAC developers John William Mauchly and John Presper Eckert. However, due to financial difficulties, it was acquired by Rimington Rand in 1950, but research and development continued. The first UNIVAC was sold to the U.S. Census Department. After that, 46 more units were sold.

Basic information:

1951: UNIVAC-1-the first commercial computer system was born, designed by J.Presper Eckert and John Mauchly. It is used in the census by the United States Census Department, which marks the beginning of the era of commercial application of computers. Because UNIVAC-1 is a computer that uses transistors, UNIVAC-1 is the representative of the second generation of computers. The computer is now in its fourth generation.

In 1950, the world's first computer with the function of storing programs, EDSAC, was designed under the leadership of Dr. von Neumann. Its main feature is the use of binary, the use of mercury delay lines as memory, instructions and programs can be stored in the computer.

In March 1951, UNIVAC-I, the first general-purpose automatic computer designed by ENIAC's main designers Mochley and Eckert, was put into use. It can not only do scientific calculation, but also do data processing.

UNIVAC-I uses tape drive as external memory for the first time. Firstly, parity check method and double operation circuit are used to improve the reliability of the system, and the automatic programming experiment is carried out at first.

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