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Data and Telecommunications, terms, concepts and abbreviations.
(19 terms)
T1
CLFI name for a Digital Signal 1 (DS1) a transmission line with bandwidth sufficient to carry 24 DS0 (64 or 56 Kbps depending on coding) channels.
Because of overhead a T1 being delivered by a provider for data communications usually provides 1.344Mbps of bandwidth, whereas the T1 consumes 1.544Mbps of bandwidth. With B8ZS coding the T1 can provide 1.536MBps of bandwidth (this has become common in modern networks) The T1 was frequently thought of as the basic building block in Telecommunic... |
Computer Hardware parts, abbreviations and concepts.
(6 terms)
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Graphic Design & prepress terms from desktop publishing to offset printing.
(14 terms)
JPEG
A compressed graphics format specifically designed for photographs. Itīs 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.
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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. |
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Photography terms and concepts, including digital and traditional photographic techniques.
(11 terms)
GIF
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. |
Web design termonology, concepts, and abbreviations.
(46 terms)
SEO
The process of altering web pages to correct errors and add strategically placed keywords with the goal of achieving better placement in the search engines.
PawPrint believes that this is an intrinsic part of authoring any web site and despite the claims of many companies that specialize in SEO only, should not be necessary if the page was designed correctly from the outset. |