What is alpha numeric?

Alpha numeric refers to a combination of alphabetic and numeric characters, such as A1B2C3D4E5. This character set is commonly used in computer systems and programming languages where a mixture of letters, numbers, and symbols are required. Alpha numeric characters can be used to create passwords, product codes, identification numbers, and other forms of unique identifiers. Often, these characters are limited to a specific range or format to ensure proper sorting, searching, and processing by software programs. alphanumeric can also refer to the alphanumeric keyboard layout often used in typing and data entry, which includes both letters and numbers on the same keyboard.