Answer to Question #148209 in Programming & Computer Science for Ali

Question

 int fact( int n )

{ if ( n<1 ) return 1;

else

return n*fact(n-1); }

• How much stack space is allocated for “fact” procedure for each call of the procedure, and what register values are they used for?
•  If the input is n=1, what is the lowest value the stack pointer attains if the initial value of $sp is 3221225472 ? 
• Which registers are used during the execution of “fact” function? Mark the correct choice.
• Explain the stack overflow error when a large n value is input?

Answer 1

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