1
GATE CSE 2020
Numerical
+2
-0.67
Consider the following C functions.
int fun1 (int n) {
     static int i = 0;
     if (n > 0) {
            ++i;
            fun1(n-1);
     }
     return (i);
}

___________________
int fun2 (int n) {
     static int i = 0;
     if (n > 0) {
            i = i + fun1 (n);
            fun2(n-1);
     }
     return (i);
}

The return value of fun2 (5) is _______.
Your input ____
2
GATE CSE 2018
MCQ (Single Correct Answer)
+2
-0.6
Consider the following C code. Assume that unsigned long int type length is 64 bits.
unsigned long int fun(unsigned long int n){
     unsigned long int i, j = 0, sum = 0;
     for (i = n; i > 1; i = i/2) j++;
     for ( ; j > 1; j = j/2) sum++;
     return(sum);
}
The value returned when we call fun with the input $${2^{40}}$$ is
A
4
B
5
C
6
D
40
3
GATE CSE 2015 Set 2
Numerical
+2
-0
Consider the C program below.
#include < stdio.h >
int *A, stkTop;
int stkFunc(int opcode, int val)
{
     static int size=0, stkTop=0;
     switch (opcode) {
         case -1: size = val; break;
         case 0: if (stkTop < size) A[stkTop++] = val; break;
         default: if (stkTop) return A[--stkTop];
     }
     return -1;
}
int main()
{
     int B[20]; A = B; stkTop = -1;
     stkFunc (-1, 10);
     stkFunc ( 0, 5);
     stkFunc ( 0, 10);
     printf ("%d\n", stkFunc(1, 0) + stkFunc(1, 0));
}
The value printed by the above program is __________.
Your input ____
4
GATE CSE 2012
MCQ (Single Correct Answer)
+2
-0.6
Consider the program given below, in a block-structured pseudo-language with lexical scoping and nesting of procedures permitted.
Program main;
  Var . . .

  Procedure A1;
      Var . . .
      Call A2;
  End A1

  Procedure A2;
      Var . . .

      Procedure A21;
        Var . . .
        Call A1;
      End A21

      Call A21;
  End A2

  Call A1;
End main.
Consider the calling chain: Main $$ \to $$ A1 $$ \to $$ A2 $$ \to $$ A21 $$ \to $$ A1
The correct set of activation records along with their access links is given by
A
GATE CSE 2012 Programming Languages - Function and Recursion Question 12 English Option 1
B
GATE CSE 2012 Programming Languages - Function and Recursion Question 12 English Option 2
C
GATE CSE 2012 Programming Languages - Function and Recursion Question 12 English Option 3
D
GATE CSE 2012 Programming Languages - Function and Recursion Question 12 English Option 4
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