PawPrint.net Glossary of Terms

An organised collection of data stored in a central location. Information should be structured by subject to allow access by business area. Data Warehouse software often includes sophisticated compression and hashing technique

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).  

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

ln [options] sourcename [destname]

ln [options] sourcenames destdirectory



Create pseudonyms (links) for files, allowing them to be accessed by different names. In the first form, Link sourcename to destname, where destname is usually a new filename, or (by default) the current directory. If destname is an existing file, it is overwritten; if destname is an existing directory, a Link named sourcename is created in that directory. In the second form, create links in destdirectory, each l...

A lens defect that bends light rays of different colors at different angles and therefore focuses them on different planes.

This is common with low-end digital cameras and small consumer point-and-shoot models.

Short for Robot which in turn is short for Search Robot - this is another, older, term for a Spider - a program which follows hypertext links and accesses web pages but is not directly under human control.