FIRST COMPUTERS AND OS
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April 24, 2014
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It had an 18-bit word and had 4K
words as standard main memory. The magnetic core memory's cycle time
was 5 microseconds
1961 the ibm 7030 had a cost of 13.5 million it was the fastes computer in the world from 1961 until 1964.
1964 cdc 6600 by seymour cray with a speed of 9 megaflops was consider fist successful supercomputer
1970 unix was devolop by dennis ritchie and kenneth thomsom...
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1950 harry huskey desing the SWAC that used 2300 vacuum tubes it had 256 word of memory each word being 37 bits
its operations was add, subtract, multiply, comparasion, data extraction, input and output.
1952 illiac build with 2800 vacuum tubes and weighed about 5 tons. had a 5k main memmory and 64 k drum memory...
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