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IBM 7151 Console Control Unit for 7090. The IBM 7090 is a second-generation transistorized version of the earlier IBM 709 vacuum tube mainframe computer that was designed for "large-scale scientific and technological applications".
This feature added five operation codes and was needed as a buffer for tape and disk I/O. The 60 words could also be used by programs to speed up inner loops and table lookups. Three four-digit index registers at addresses 8005 to 8007; drum addresses were indexed by adding 2000, 4000 or 6000 to them, core addresses were indexed by adding 0200 ...
By 1957, EDVAC was running over 20 hours a day with error-free run time averaging 8 hours. EDVAC received a number of upgrades including punch-card I/O in 1954, extra memory in slower magnetic drum form in 1955, and a floating-point arithmetic unit in 1958. EDVAC ran until 1962 [11] when it was replaced by BRLESC.
The Nimrod, designed by John Makepeace Bennett, built by Raymond Stuart-Williams and exhibited in the 1951 Festival of Britain, is regarded as the first gaming computer.. Bennett did not intend for it to be a real gaming computer, however, as it was supposed to be an exercise in mathematics as well as to prove computers could "carry out very complex practical problems", not purely for enjoyme
The first documented computer architecture was in the correspondence between Charles Babbage and Ada Lovelace, describing the analytical engine.While building the computer Z1 in 1936, Konrad Zuse described in two patent applications for his future projects that machine instructions could be stored in the same storage used for data, i.e., the stored-program concept.