How does a "for" loop differ from a "while" loop in C programming?A. A "for" loop is used for iterating over a sequence of elements, while a "while" loop is used to execute a block of code repeatedly as long as a condition is true.B. A "for" loop is primarily used for conditional statements, while a "while" loop is designed for sequential processing.C. The use of "for" and "while" loops is interchangeable; there is no substantial difference between them.D. A "for" loop is exclusively used with arrays, while a "while" loop is used with numerical calculations.

The correct answer is A. A "for" loop is used for iterating over a sequence of elements, while a "while" loop is used to execute a block of code repeatedly as long as a condition is true.

Here's a step-by-step explanation:

1. A "for" loop in C programming is used when you know the exact number of times a block of code needs to be executed. It is typically used for iterating over a sequence of elements, such as an array. The "for" loop includes initialization, condition checking, and increment or decrement in one line.

2. On the other hand, a "while" loop is used when a set of instructions needs to be executed as long as a certain condition is true. The number of iterations in a "while" loop is not known beforehand. The condition is checked before entering the loop.

3. Therefore, the primary difference between a "for" loop and a "while" loop is in their usage: a "for" loop is used when the number of iterations is known, while a "while" loop is used when the number of iterations is not known and depends on a condition.

4. The other options B, C, and D are incorrect. A "for" loop is not primarily used for conditional statements (B), the use of "for" and "while" loops is not interchangeable as they have different use cases (C), and a "for" loop is not exclusively used with arrays nor is a "while" loop used only with numerical calculations (D).