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Data and Telecommunications, terms, concepts and abbreviations.
(19 terms)
DS1
A transmission line with bandwidth sufficient to carry 24 DS0 (64 or 56 Kbps depending on coding) channels. A Full DS0 consumes 1.544Mbps of bandwidth.
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Computer Hardware parts, abbreviations and concepts.
(6 terms)
Printed Circuit Board
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).
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Graphic Design & prepress terms from desktop publishing to offset printing.
(14 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. |
Linux/Unix Terms and Commands.
(9 terms)
ls
ls [options] [names]
List the contents of a directory or directories. This is similar to the dos command īdirī frequently abbreviated in many shells to ll for ls -l which lists files with long format. If no [names] then the contents of the current directory are listed. Options -1, --format=single-column Print one entry per line of output. -a List all files, including the normally hidden files whose names begin with a period. -b, --escape Display nonprinting characters in octal an... |
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Photography terms and concepts, including digital and traditional photographic techniques.
(11 terms)
Barrel-distortion
A lens Aberration or defect that causes straight lines to bow outward, away from the center of the image.
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Web design termonology, concepts, and abbreviations.
(46 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) |