decoder
A device or program that translates encoded data into its original format (e.g., it decodes the data). The term is often used in reference to MPEG-2 video and sound data, which must be decoded before it is output. Most DVD players, for example, include a decoder card whose sole function is to decode MPEG data. It is also possible to decode MPEG data in software, but this requires a powerful microprocessor.
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- decoupled
Two or more systems that are able to transact without being connected, or coupled. The systems do not interact with each other, and also one system usually has only a very limited knowledge of any other system, and that knowledge is usually limited to information about shared interfaces. A decoupled system allows changes to be […]
- decrement
To subtract. For example, if you count down consecutively from 10 to 0, you decrement by 1. If you count down by twos, you decrement by 2. The opposite of decrementing is incrementing.
- Decryption
The process of decoding data that has been encrypted into a secret format. Decryption requires a secret key or password.
- dedicated
Reserved for a specific use. In communications, a dedicated channel is a line reserved exclusively for one type of communication. This is the same as a leased line or private line. A dedicated server is a single computer in a network reserved for serving the needs of the network. For example, some networks require that […]
- Dedicated Server
A dedicated server is a single computer in a network reserved for serving the needs of the network. For example, some networks require that one computer be set aside to manage communications between all the other computers. A dedicated server could also be a computer that manages printer resources. Note, however, that not all servers […]