Alphanumeric Meaning: Definition, Examples, and Translations

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alphanumeric

[ˌælfəˈnʊmərɪk ]

Definition

Context #1 | Adjective

data representation

Alphanumeric refers to a character set that consists of both alphabetic characters (letters) and numeric characters (numbers). This type of character set is commonly used in computer systems, databases, and programming languages to represent data. Alphanumeric characters can include uppercase and lowercase letters along with digits from 0 to 9. It is essential for various applications such as passwords, license plates, and coding systems where a combination of letters and numbers is required.

Synonyms

letter-number, numeric-alphabetic.

Examples of usage

  • Alphanumeric passwords are more secure.
  • The license plate must be alphanumeric.
  • Please enter an alphanumeric code.

Translations

To see the translation, please select a language from the options available.

Interesting Facts

Technology

  • Alphanumeric characters are often used in passwords to enhance security by making them harder to guess.
  • In computer programming, alphanumeric strings are crucial for creating variables that contain a combination of text and numerical values.

Mathematics

  • Alphanumeric systems are used in coding systems like ISBN for books, where characters represent various identifiers.
  • Certain mathematical sequences utilize alphanumeric components to represent variables, making them easier to understand.

Education

  • Teachers often encourage the use of alphanumeric codes in subjects like algebra to represent unknown values in equations.
  • Using alphanumeric characters can help students combine their literacy and numeracy skills in learning activities.

Pop Culture

  • Alphanumeric codes often appear in TV shows, like in detective stories, where they're needed to crack secret messages.
  • Games and puzzles commonly use alphanumeric combinations that challenge players to think critically and creatively.

Origin of 'alphanumeric'

Main points about word origin

  • The word comes from combining 'alpha' (the first letter of the Greek alphabet) and 'numeric' (relating to numbers).
  • It was first used in the context of computing and mathematics around the 1950s.

The term 'alphanumeric' originated in the 1960s, combining 'alpha', derived from the Greek alphabet, which refers to letters, and 'numeric', coming from Latin, which relates to numbers. It was initially used in computing and data processing contexts as technology evolved. As computers became integral to various sectors, the necessity for a standard character representation that allowed both letters and digits became evident. The widespread use of alphanumeric characters expanded with the development of programming languages and database management systems, where distinct and variable identifiers were needed. Over the years, the term has remained relevant in discussions surrounding cybersecurity, data entry standards, and user interface design.


Word Frequency Rank

At rank #26,446, this word represents specialized academic or technical vocabulary. It's less frequently encountered but may be valuable in specific contexts.