ACG ROUND-2 TECHNICAL QUIZ

Which of the following highly uses the concept of an array?

• Binary Search Tree

• Caching

• Spatial Locality

• Process Scheduling

What will be the value retuned by the following function, when it is called with a value 11?

int recur(int num)

{

if ( ( num/2) !=0 )

return ( recur(num/2 ) * 10+num%2 );

else return 1;

}

• Function does not return any value, because it goes into an infinite loop

• 11

• 1011

• None

 

Consider the following program fragment.

static char wer[3][4] = {"bag", "let", "bud"};

char(*ptr)[4] = wer;

In which of the following cases will the character 't' be printed?

• putchar ( ( (ptr+1) + 2));

• putchar ( * (wer [1] + 2) ) ;

• putchar (* (ptr+1) + 2);

• None

Consider the two declarations

void *voidPtr;

char *charPtr;

Which of the following assignments are syntactically correct?

• voidPtr = charPtr

• charPtr = voidPtr

• *voidPtr = *charPtr

• *charPtr = voidPtr

What does the following fragment of C-program print?

char c[ ] = “GATE2011”;

char *p = c;

printf(“%s”, p + p[3] – p[1]);

• GATE 2011

• E2011

• 2011

• 01

What does the following program print? 

#include < stdio.h >

void f (int p, int q) {

     p = q;

    *p = 2;

}

int i = 0, j = 1;

int main ( ){

     f(&i, &j);

     printf (“%d %d \ n”, i, j);

     return 0;

}

• 2 2

• 2 1

• 0 1

• 0 2

What does the following C statement declare?

int (*f)(int *);

• A function that take an integer pointer as an argument and returns an integer.

• A function that take integer as an argument and return an integer pointer.

• A pointer to a function that takes an integer pointer as an argument and return an integer.

• A function that take an integer pointer as an argument and return a function pointer.

Consider the following C program:

       #include < stdio.h >

       int main()

       {

           int a[] = {2, 4, 6, 8, 10} ;

           int i, sum = 0, *b = a + 4 ;

           for (i = 0; i < 5; i++)

                 sum = sum + (*b – i) – *(b – i) ;

           printf (“%d\n”, sum) ;

           return 0 ;

        }

• 10

• 15

• 11

• 12

Consider the following C program:

#include <stdio.h>

int jumble(int x, int y){

x=2*x+y;

return x;

}

int main(){ 

int x=2, y=5;

y=jumble(y,x);

x=jumble(y,x);

printf(“%d \n”, x);

return 0;

}

• 25

• 26

• 20

• 0

Consider the following C program.

 

#include<stdio.h>

int main () {

          int m = 10;

          int n, nl;

          n = ++m;

          n1 = m++;

          n–-;

          -–n1;

          n-= n1;

          printf (“%d”,n),

          return 0;

}

The output of the program is _________

• 0

• 1

• 5

• none