What are practical guidelines for evaluating a language's “Turing Completeness”?

Question

I\'ve read \"what-is-turing-complete\" and the wikipedia page, but I\'m less interested in a formal proof than in the practical implications of being Turing Complete.

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Answer 1

I'd like to add one caveat to what Norman Ramsey said: a Turing machine has infinite memory and hence programming languages that are considered to be Turing complete are only so under the assumption that memory is also infinite.