Question

A string is: 

Options

• A set of letters

• A set of letters and digits

• A set of letters, digits and special characters

• All the above 

Answer 1

All the above 

Explanation:

A string is an order of characters that may include:

1. Letters (uppercase and lowercase)
2. Digits
3. Special characters, such as !, @, #, etc.

As a result, all of the opportunities listed (letters, letters digits, letters, digits, and special characters) are part of a string.