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Alphanumeric
 
 
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Alphanumeric is a portmanteau of alphabetic and numeric
Numeric

Numeric may refer to:* of, or relating to, numbers* NumPy or Numerical Python* floating point data type...
 and is used to describe the collection of Latin letters
Latin alphabet

The Latin alphabet, also called the Roman alphabet, is the most widely used alphabetic writing system in the world today. It evolved from the western variety of the Greek alphabet called the Cumae alphabet, and was initially developed by the Ancient Romes to write the Latin....
 and Arabic digits
Arabic numerals

The 'arabic numerals', or 'Hindu numerals' are the ten digits , which?along with Decimal Number System by which a sequence was read as a number?were originally defined by Indian mathematics, later modified and transferred to North African Islamic mathematics and transmitted to Europe in the Middle Ages, whence they spread around the wo...
 used by much of western society. There are either 36 (single case) or 62 (case-sensitive) alphanumeric characters. The alphanumeric character set consists of the numbers 0 to 9 and letters A to Z.
omputing terminology, a character stored in alphanumeric form is considerably smaller than storing a 8-bit ASCII
ASCII

American Standard Code for Information Interchange , is a coding standard that can be used for interchanging information, if the information is expressed mainly by the written form of English words....
 character, as each character is only 6 bits in length.

There is no standard for storing 6-bit alphanumeric data.






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Alphanumeric is a portmanteau of alphabetic and numeric
Numeric

Numeric may refer to:* of, or relating to, numbers* NumPy or Numerical Python* floating point data type...
 and is used to describe the collection of Latin letters
Latin alphabet

The Latin alphabet, also called the Roman alphabet, is the most widely used alphabetic writing system in the world today. It evolved from the western variety of the Greek alphabet called the Cumae alphabet, and was initially developed by the Ancient Romes to write the Latin....
 and Arabic digits
Arabic numerals

The 'arabic numerals', or 'Hindu numerals' are the ten digits , which?along with Decimal Number System by which a sequence was read as a number?were originally defined by Indian mathematics, later modified and transferred to North African Islamic mathematics and transmitted to Europe in the Middle Ages, whence they spread around the wo...
 used by much of western society. There are either 36 (single case) or 62 (case-sensitive) alphanumeric characters. The alphanumeric character set consists of the numbers 0 to 9 and letters A to Z.

Computing

In computing terminology, a character stored in alphanumeric form is considerably smaller than storing a 8-bit ASCII
ASCII

American Standard Code for Information Interchange , is a coding standard that can be used for interchanging information, if the information is expressed mainly by the written form of English words....
 character, as each character is only 6 bits in length.

There is no standard for storing 6-bit alphanumeric data. A 6-bit field has 64 possible values, so if only 36 are used in single case, there is room for another 28 characters (usually slashes and other punctuation), making alphanumeric data useful for storing text and website addresses
Uniform Resource Identifier

In Information technology, a Uniform Resource Identifier is a Character string of Character s used to Identifier or name a Resource on the Internet....
.

Alphanumeric data can be stored even more compactly in computer systems if the storage medium is calculated in base 36
Base 36

Base 36 is a positional notation using 36 as the radix. The choice of 36 is convenient in that the digits can be represented using the Hindu-Arabic numerals 0-9 and the Latin alphabet A-Z....
, where each numerical position represents a character. Storing characters in base 36 and base 64 (6 bits per character) is more memory efficient for storing text-only data than base 2 ASCII
ASCII

American Standard Code for Information Interchange , is a coding standard that can be used for interchanging information, if the information is expressed mainly by the written form of English words....
 (using 8 or 7 bits for each character).

Other references

In the TV show ReBoot
ReBoot

ReBoot is a Canada Computer-generated imagery-animated series action-adventure television series that originally aired from 1994 to 2001. It was produced by Vancouver-based production company Mainframe Entertainment, and created by Gavin Blair, Ian Pearson, Phil Mitchell and John Grace, with the visuals designed by Brendan McCarthy after...
, "alphanumeric" was an interjection used by Enzo as an equivalent of "cool!" or "awesome!" In the episode "Talent Night", it was used to mean "everything is all right."

See also

  • Alphanumeric Code
    Alphanumeric code

    In general, in computing, an alphanumeric code is a series of letters and numbers which are written in a form that can be processed by a computer....
  • Alphanumeric Keyboard
    Alphanumeric keyboard

    Alphanumeric keyboards include typewriters and computer Keyboard . An alphanumeric keyboard is a device with many keys ...


External links