What is alphanumeric?

An alphanumeric is a combination of letters and numbers. It is commonly used in computer technology, telecommunications, and other industries that require the use of codes or serial numbers for identification purposes. Alphanumeric characters are made up of 26 English letters (A to Z) and 10 Arabic numerals (0 to 9). They can also include other special characters, such as punctuation marks and mathematical symbols. Alphanumeric codes are used to label products, track inventory, and authenticate user identification for security purposes. They are also used in keyboard shortcuts and passwords.