Interview Questions and Answers on Arrays in C programming

Question: 1

#include<stdio.h>
#include<string.h>

int main()
{
char arr[] = "CppBuzz.com";
printf("%d-%d",sizeof(arr), strlen(arr));
return 0;
}

(A) 11-11
(B) 11-12
(C) 12-11
(D) 12-12

Compiler
Level: Practitioner Category of MCQ: arrays

Question: 2

//Program is compiled on Dev-C++ (32 bit) compiler
#include <stdio.h>
#include <string.h>

int main()
{
char *arr = "CppBuzz.com";
printf("%d-%d",sizeof(arr), strlen(arr));
return 0;
}

(A) 12-12
(B) 11-11
(C) 2-12
(D) 4-11

Compiler
Level: Practitioner Category of MCQ: arrays

Question: 3

//Program is compiled on Dev-C++ (32 bit) compiler
#include <stdio.h>
#include <string.h>

int main()
{
char arr[] = "CppBuzz.com";
printf("%d-%d", arr[0], arr[1]);
return 0;
}

(A) C-p
(B) C-P
(C) 0-0
(D) 67-112

Compiler
Level: Practitioner Category of MCQ: arrays

Question: 4

//Program is compiled on Dev-C++ (32 bit) compiler
#include <stdio.h>
#include <string.h>

int main()
{
char arr[] = "CppBuzz.com";
printf("%d-%d", arr[0]++, arr[1]++);
return 0;
}

(A) D-Q
(B) D-A
(C) 67-112
(D) 68-113

Compiler
Level: Expert Category of MCQ: arrays

Question: 5

//Program is compiled on gcc/Dev-C++ (32 bit) compiler
#include<stdio.h>
#include<string.h>

int main()
{
char arr[] = "CppBuzz.com";
printf("%d", arr[0]++, arr[1]++);
return 0;
}

(A) 67-112
(B) 112
(C) C
(D) 67

Compiler
Level: Practitioner Category of MCQ: arrays

Question: 6

//Program is compiled on gcc/Dev-C++ (32 bit) compiler
#include <stdio.h>
#include <string.h>

int main()
{
char arr[3] = "CppBuzz.com";
printf("%s", arr);
return 0;
}

(A) Compilation Error
(B) CppBuzz.com
(C) Cp
(D) Cpp

Compiler
Level: Practitioner Category of MCQ: arrays

Question: 7

#include <stdio.h>
int main(void)
{
    char str1[] = "Hello. How are you?";
    char str2[21];
    int pos;

    for(pos=0; pos<21; pos++);
   {
      str2[pos] = str1[pos];
   }
   
   printf("str1: %s, str2: %s", str1, str2);
   return 0;
}

(A) str1: Hello. How are you?, str2: Hello. How are you?
(B) str1: Hello. How are you?, str2: Hello. How are you?nullnull
(C) str1: Hello. How are you?, str2: Hello. How are you?garbagevalue
(D) str1: Hello. How are you?, str2: garbagevalue

Compiler
Level: Expert Category of MCQ: arrays

Question: 8

If the size of the array is less than the number of initializers
then

(A) Generates an error message
(B) Extra values are being ignored
(C) Size of Array is increased
(D) Size is neglected when values are given

Compiler
Level: Beginner Category of MCQ: arrays

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Interview Questions on Arrays in C : (8)

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