basic Arrays,Strings,Looping,pointers in c program

What is an array?

• An array is a data structure that stores a collection of elements.

• An array is a musical instrument used in orchestras.

• An array is a type of programming language.

• An array is a type of fish found in the ocean.

How do you declare an array in C?

• array myArray[5];

• int myArray;

• myArray = [5];

• int myArray[5];

What is the size of an array?

• Number of elements in the array

• index of array

• Number of dimensions in the array

• Number of bytes used by the array

What is the correct way to declare a string in C?

• char str[] = "Hello";

• string str = "Hello";

• char* str = "Hello"; str = "Hello";

• str = "Hello";

How do you concatenate two strings in C?

• concat(string1, string2)

• strconcat(string1, string2)

• strcat(string1, string2)

• strjoin(string1, string2)

Which loop in C executes at least once, even if the condition is false?

• for loop

• while loop

• do-while loop

• switch loop

What are the different types of loops in C?

• if loop

• until loop

• for loop, while loop, do-while loop

• repeat loop

How do you use a for loop in C?

• for(int i = 0; i++ i < n;) { // code block to be executed }

• for(int i = 0; i < n; i++) {// code block to be executed }

• for(int i = 0; i < n; i--)// code block to be executed

#include <stdio.h>

int main() {

int x = 5;

int *ptr = &x;

printf("%d", *ptr);

return 0;

}

• 5

• Address of x

• Garbage value

• Compiler Error

How do you declare a pointer in C?

• int *ptr;

• ptr int*;

• int ptr;

• ptr = ∫