PawPrint.net Glossary of Terms

A simple, very flexible text format derived from SGML (ISO 8879). Originally designed to meet the challenges of large-scale electronic publishing, XML is also playing an increasingly important role in the exchange of a wide variety of data on the Web and elsewhere.

1) The main Printed Circuit Board (PCB) of a computer - referred to as a Mother Board because other smaller PCB´s are sometimes attached to it - this are in turn referred to as daughter boards.

2) Any PCB that can accept daughter boards.

A compressed graphics format specifically designed for photographs. It´s name an acronym that stands for Joint Photographic Experts Group. It works by changing the images data from colours to frequencies (that represent detail) using a FFT and then discarding some of the high detail data - the resulting image is slightly blurry but this is barely noticable by the human eye and represents a significant saving of space.

A set of rules used to define how email should be sent and governing communication between mail servers to achieve this end.

A lens with a short focal length that takes in a wide view of the subject. In the 35mm format, lenses with a focal length of 35mm or shorter are generally considered wide-angle lenses.

The standardized relational database language for defining database objects and manipulating data.

In laymans terms: the language that people and programs use to communitacte with a database.

Example:
to select all the items for a data column called "information" the SQL stament might look like:

SELECT * FROM information