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Computer Science

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  • $\begingroup$ Oh yeah thanks ! am curious, how does this work in practice ? i see that UTM is all in theory. in reality how do i write such function $\endgroup$ Commented May 7, 2013 at 18:23
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    $\begingroup$ In practice, a universal Turing machine is called a computer, and its input is called code. $\endgroup$ Commented May 7, 2013 at 18:51
  • $\begingroup$ i did not get it , in my question, how do i write the function F ? that can evaluate any function $\endgroup$ Commented May 8, 2013 at 0:38
  • $\begingroup$ In practice, the function $F$ is called a compiler or an interpreter. $\endgroup$ Commented May 8, 2013 at 13:36