IAS machine  From Wikipedia, the free encyclopedia Jump to:
navigation, search  The IAS machine was the first electronic
computer built at the Institute for Advanced Study (IAS), in
Princeton, New Jersey, USA. It is sometimes called the von
Neumann machine, since the paper describing its design was
edited by John von Neumann, a mathematics professor at both
Princeton University and IAS. The computer was built from late
1945 until 1951 under his direction.[1] The general organization
is called Von Neumann architecture, even though it was both
originated and implemented by others.[2]   Julian Bigelow was
hired as chief engineer in May 1946.[3] Hewitt Crane, Herman
Goldstine, Gerald Estrin, Arthur Burks and Willis Ware also
worked on the project.[4] The machine was in limited operation
in the summer of 1951 and fully operational on June 10, 1952.[5]
It was in operation until July 15, 1958.[6]   The IAS machine
was a binary computer with a 40-bit word, storing two 20-bit
instructions in each word. The memory was