D Data Distinct pieces of computer-formatted information. Database A collection of data that is organized for easy access, management, and revision. The process of converting encrypted data back into its original form so that it can be read. Decryption requires a decryption key. Default A selection or action that a computer automatically does in the absence of user instructions.
Defaults are usually the most common actions within the application.
The file or storage device to which data is moved from another file or storage device. An electronic credit card that establishes the holder's credentials when conducting business on the World Wide Web. An electronic, rather than written, signature that authenticates the sender of a message. A digital signature ensures that the content of the message has not been altered by another person. Directory A special kind of file used to organize other files into a hierarchical structure.