Algorithm An algorithm is a mathematical function often used in the process of encrypting and decrypting information. A physical representation of data, such as a copy of the continuous audio wave embedded in gramophone records to reproduce the recorded sound. Now being replaced by digital technology. The American National Standards Institute. A small, self-contained application written in the Java programming language that can be distributed over networks to run on individual computers.
Many Web sites uses applets which browsers can run to add interactive features, such as tickertapes.
The function or useful purpose of any IT system. Application programs range from word processing to desktop publishing and data processing and encompass any task being automated. The public key can be made widely available, while the private key is unavailable except to the keyholder. One key is used to encrypt data and the other is used to decrypt it into a readable format. Attachment A data file which is sent as an accompaniment to an email.