Single Dimensional Array - Quiz

What will be the output of following program code? 

#include <stdio.h>
int main(void)
{
    char p;
    char buf[10] = {1, 2, 3, 4, 5, 6, 9, 8};
    p = (buf + 1)[5];
    printf("%d", p);
    return 0;
}

  • A5
  • B9
  • C6
  • Derror

let x be an array. Which of the following operations is illegal? 
I.   ++x
II. x+1
III. x++
IV. x*2

  • AI and II
  • BI, II and III
  • CII and III
  • DI, III and IV

What will be printed after execution of the following code? 

void main()
{
      int arr[10] = {1,2,3,4,5};
      printf("%d", arr[5]);
}

  • AGarbage Value
  • B5
  • C6

What will be the output of the following program? 

void main()
{
      char str1[] = "abcd";
      char str2[] = "abcd";
      if(str1==str2)
            printf("Equal");
      else
            printf("Unequal");
}

  • AEqual
  • BUnequal
  • CError
  • DNone of these.

What will be the output of the following code? 

void main()
{
      int a[10];
      printf("%d %d", a[-1], a[12]);
}

  • A0 0
  • BGarbage value 0
  • C0 Garbage Value
  • DGarbage vlaue Garbage Value

Array passed as an argument to a function is interpreted as

  • AAddress of the array.
  • BValues of the first elements of the array.
  • CAddress of the first element of the array.
  • DNumber of element of the array.

What will be the output of the program if the array begins at 65472 and each integer occupies 2 bytes? 

#include
void main()
{
    int a[3][4] = {1, 2, 3, 4, 4, 3, 2, 1, 7, 8, 9, 0};
    printf("%u, %u", a+1, &a+1);
}

  • A65474, 65488
  • B65480, 65488
  • C65480, 65496
  • D 65474, 65476

What will be the output of the program? 

#include<stdio.h>
void main()
{
    float arr[] = {12.4, 2.3, 4.5, 6.7};
    printf("%d", sizeof(arr)/sizeof(arr[0]));
}

  • A5
  • B4
  • C6
  • Dno output

Which of the following correctly accesses the seventh element stored in arr, an array with 100 elements?

  • Aarr[6]
  • Barr[7]
  • C arr{6}
  • Darr{7}

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