Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos
code
Table of Contents
Introduction References & Edit History Related Topics
Images
Navajo code talkers Enigma Jade cipher machine Purple cipher machine frequency distribution for plaintext and its repeated-key Vigenère cipher German ADFGVX cipher. DES flow diagram Vigenère table
Quizzes
A botanical illustration from the Voynich manuscript, a codex, scientific or magical text in an unidentified language, in cipher; end of the 15th or during the 16th century (?).
Codes, Secrets, and Ciphers Quiz
Related Questions
Read Next
Abstract vector hi speed internet technology background
History of Technology Timeline
A Factory Interior, watercolor, pen and gray ink, graphite, and white goache on wove paper by unknown artist, c. 1871-91; in the Yale Center for British Art. Industrial Revolution England
Inventors and Inventions of the Industrial Revolution
Discover
Artist interpretation of a Space meteoroid impact. Meteor impact. Asteroid, End of the world, danger, destruction, dinosaur extinct, Judgement Day, Planet Earth, Doomsday Predictions, comet
10 Failed Doomsday Predictions
Statue of Nostradamus
Nostradamus and His Prophecies
Agnes with a lamb near her feet. St. Agnes (Saint Agnes) design drawing for stained glass window by J&R Lamb Studios, ink, mount size 10.5 x 14.5 in.
Roman Catholic Saints
Mona Lisa, oil on wood panel by Leonardo da Vinci, c. 1503-06; in the Louvre, Paris, France. 77 x 53 cm.
Why Is the Mona Lisa So Famous?
July, 2006, Launch of Space Shuttle Discovery STS-121. See attached for full caption information.
Will Light-Speed Space Travel Ever Be Possible?
Flags of the countries of the world (flagpoles).
How Many Countries Are There in the World?
Ahura Mazda - relief of the Zoroastrian god Ahura Mazda at the ancient ruins of Persepolis in Iran. Also known as Ormazd Zoroastrianism,
Which Religion Is the Oldest?

code: Related Content

verifiedCite
While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions.
Select Citation Style
Share
Share to social media
URL
https://www.britannica.com/facts/code-communications
Written and fact-checked by
The Information Architects of Encyclopaedia Britannica

The Information Architects maintain a master list of the topics included in the corpus of  Encyclopædia Britannica, and create and manage the relationships between them.
The Information Architects of Encyclopaedia Britannica

Photos

Navajo code talkers
Enigma
Jade cipher machine
Purple cipher machine
frequency distribution for plaintext and its repeated-key Vigenère cipher
German ADFGVX cipher.
DES flow diagram
Vigenère table
See All Images →

Related Topics and References

Topics
Dig Deeper: More Articles That Discuss This Topic

Key People

Agnes Meyer Driscoll
American cryptologist

Related Quizzes and Features

Quiz
A botanical illustration from the Voynich manuscript, a codex, scientific or magical text in an unidentified language, in cipher; end of the 15th or during the 16th century (?).
Codes, Secrets, and Ciphers Quiz