1
GATE CSE 2015 Set 2
Numerical
+2
-0
A computer system implements $$8$$ kilobyte pages and a $$32$$-bit physical address space. Each page table entry contains a valid bit, a dirty bit, three permission bits, and the translation. If the maximum size of the page table of a process is $$24$$ megabytes, the length of the virtual address supported by the system is _______________ bits.
Your input ____
2
GATE CSE 2015 Set 2
Numerical
+1
-0
Consider the following C function.
int fun ( int n ) {

   int x = 1, k ;
   if ( n == 1) return x ;
   for( k = 1 ; k < n ; ++ k )
       x = x + fun( k ) * fun( n - k ) ;
   return x ;
}
The return value of fun (5) is ________.
Your input ____
3
GATE CSE 2015 Set 2
MCQ (Single Correct Answer)
+1
-0.3
Consider the following function written in the C programming language.
void foo(char *a){
 if ( *a && *a != ' '){
     foo(a+1);
     putchar(*a);
   }
}
The output of the above function on input “ABCD EFGH” is
A
ABCD EFGH
B
ABCD
C
HGFE DCBA
D
DCBA
4
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 ____
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