Excerpt - Copyright: "Simon Stobart, BA (Hons), PhD School of Computing and Technology University of Sunderland Sunderland SR6 ODD UK Mike Vassileiou iNET4U Greece British ... "
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Excerpt - page 6: " ... adding machines. It could be argued that the Chinese abacus was the first mechanical computing device, but the abacus is actually a memory aid, used to make it easier to accumulate ... "
