Using algorithms to scramble the information on a computer so that the information is not usable unless the changes are reversed, is referred to as:

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Encryption is the process of using algorithms to scramble data on a computer or device so that it cannot be used or read without the correct key or password to reverse the changes. Krypton is a fictional substance and has no relation to computer security. Calligraphy is the art of beautiful handwriting, and stenography is shorthand writing used to transcribe speech quickly.

Using Algorithms to Scramble the Information on a Computer So