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Generally speaking, the term alphanumeric refers to anything that consists of only letters and numbers. For example, "ABC123" is an alphanumeric expression. The term may also refer to a device that handles such expressions (contrary to letters-only or numbers-only processing equipment). In telecommunication and computer science, an alphanumeric entity is specifically defined as a character string that contains only letters and digits (and sometimes a few other characters, typically punctuation marks).

See also: ASCII

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Topics: Alphanumeric Keyboard, Alphanumeric Code...

Alphanumeric keyboardAlphanumeric keyboards include typewriter and computer keyboards. An alphanumeric keyboard is a device with many keys (usually marked with the letters of the alphabet, the numerical digits, and various extra keys. The computer keyboard After punchcards an

AlphanumericGenerally speaking, the term alphanumeric refers to anything that consists of only letters and numbers. For example, "ABC123" is an alphanumeric expression. The term may also refer to a device that handles such expressions (contrary to letters-only or num

Alphanumeric codeIn general, in computing, an alphanumeric code is a series of letters and numbers (hence the name) which are written in a form understandable and processable by a computer. One such alphanumeric code is ASCII. More specifically, in computer underground te

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