PawPrint.net Glossary of Terms

It usually consists of a metallic conductor pattern on an organic insulating substrate, more complex circuits have several layers stacked togeather. After assembly where components are added, it is known as a printed wiring assembly (PWA).  

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.

An optical defect in a lens causing it to form an image that is not sharp or that is distorted in some way.

An address referring to a document on the Internet. This can be used to reference a web page via HTTP or a file to be accessed via FTP, for example. The reason for a URL (rather then just the address) is to define completely what a computer must do, and where it must go, to access a document (sometimes even on it´s local hard drive in the case of ´file:´)

The syntax of a URL consists of four elements:

Protocol://address/path/document - here are a few examples:

http://www.pawprint.net/in...

A compressed graphic format suited for flat color images (illustrations) and drawings. It compresses images by referencing areas of the same colour thus it is less suitable then JPEG for photographic images (where there are colour gradients)

Originally created by CompuServ it was the subject of proposed law suits and patent discussions which have largely been dropped.

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