Most magazine subscription codes are action codes.
 

Which of the following represents the Towers of Hanoi?

A. Function Numeric unKnown(Numeric num)    // Call function recursively until reaching 0 or 1    If num == 0 Or num == 1 Then       Return num    Else       Return unKnown(num - 2) + unKnown(num - 1)    End If End Function B. Function Numeric unKnown(Numeric num)    // Base case returns 1    If (num == 1) Then       Return 1    Else       Return (num * num) + unKnown(num - 1)    End If End Function C. Function Numeric unKnown(Numeric num)    // Declare variables    Declare Numeric fact = 1    Declare Numeric index // loop index       // Loop    For index = num to 1 Step -1       fact = fact * index   End For    Return fact End Function D. Module unKnown(Integer n, sourcePeg, targetPeg, sparePeg)    If (n > 0) Then       moveDiscs(n - 1, sourcePeg, sparePeg, targetPeg)    // Move disc from sourcePeg to targetPeg       moveDiscs(n - 1, sparePeg, targetPeg, sourcePeg)    End If End Module

?To bridge the gap between a database and the Internet, it is necessary to use a _____, which is software that integrates different applications and allows them to exchange data.

A. ?middleware B. ?stack C. ?server D. ?firmware