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PawPrint.net Glossary of Terms

This dictionary of web design, photography, computer and graphic design terms has been compiled from many sources and is constantly being augmented and undergoing revisions to try and capture as much of the lingo and technical vocabulary as possible.  

Random terms, by category

Data and Telecommunications, terms, concepts and abbreviations. (19 terms)
HTTP
A set of detailed rules for communication between a client and server. This protocol is the foundation of data transmission on the www
Computer Hardware parts, abbreviations and concepts. (6 terms)
SDRAM
A generic name for various kinds of dynamic random access memory: DRAM that are synchronized with the clock speed that the microprocessor is optimized for. This tends to increase the number of instructions that the processor can perform in a given time. The speed of SDRAM is rated in MHz rather than in nanoseconds (ns). This makes it easier to compare the bus speed and the RAM chip speed. You can convert the RAM clock speed to nanoseconds by dividing the chip speed into 1 billion ns (which is on...
Graphic Design & prepress terms from desktop publishing to offset printing. (14 terms)
JPEG
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.
Linux/Unix Terms and Commands. (9 terms)
FTP
A protocol developed to enable the transfer of files across a network. It provides a reletively insecure username and password  security but has been more recently enhanced to allow for SSL encryption to provide a secure password exchange.

To some extent the use of FTP has been superceeded by SFTP (a component of SSH) or the secure file transfer protocol.

Photography terms and concepts, including digital and traditional photographic techniques. (11 terms)
DPI
A measure of image resolution - typical screen resolution is 72 dip whereas printing presse print at 300dpi.

When measuring the resolution of an image you need to know both the physical size and the resolution (in DPI) to acertain the actual amount of data. For example:

An image that is 10 inches wide...

at 72dpi would be 720 pixels wide
at 300dpi would be 3000 pixels wide (roughly 3.5 times the resolution)

Web design termonology, concepts, and abbreviations. (46 terms)
Web Browser
A computer program used to view web pages. A Browser is a viewer that processes HTML and displays it to the user.
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