On Saturday, December 22, 2018 at 2:35:27 AM UTC-6, Philip Thrift wrote: > > > > On Saturday, December 22, 2018 at 1:13:48 AM UTC-6, [email protected] > wrote: >> >> What are the key differences between their contributions to computer >> science? TIA, AG >> > > A century apart: > > 1837 - Analytical Engine > 1936 - Turing Machine > > "[Charles Babbage's] Analytical Engine incorporated an arithmetic logic > unit, control flow in the form of conditional branching and loops, and > integrated memory, making it the first design for a general-purpose > computer that could be described in modern terms as *Turing-complete.* In > other words, the logical structure of the Analytical Engine was essentially > the same as that which has dominated computer design in the electronic era." > [ https://en.wikipedia.org/wiki/Analytical_Engine ] > > Turing sort of picked up where Babbage left off 100 years before. > > In retrospect, it is surprising that programming languages (which also > logicians seemed oblivious to as well as mathematicians) took so long to > originate. > > - pt > > > > Regarding programming, one shouldn't forget who was to be the "first programmer" for Babbage's AE.
*Ada Augusta, Countess of Lovelace* http://www.fourmilab.ch/babbage/sketch.html - pt -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.

