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.

Hypertext Markup Language is the Markup-Language that evolved as the basis for layout of web-pages. It is a derivitive of the first SGML languages and has since been superceeded by derivitives of XML refertred to as XHTML.

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

The opening of a lens that admits light. Except in very simple cameras, the Aperture can be varied in size by an adjustable  diaphragm, which regulates the amount of light passing through the lens. The relative Aperture is measured as the focal length of the lens divided by the diameter of the Aperture; this is expressed as an f-number: f/3, f/5, and so on.

Aperature has a dramatic effect on the Depth-of-field of the photograph.

Accessibility in web design usually reffers to the degree to which a Web site is usable by people with disabilities. Poorly designed Web pages often have access issues for the following groups of people:

    * Visually impaired people using screen readers
    * Color blind people
    * Physically impaired people

The W3C has guidelines dedicated to making web site more accessible split into three levels of compliance: http://www...