Data and Telecommunications, terms, concepts and abbreviations.
(19 terms)
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Computer Hardware parts, abbreviations and concepts.
(6 terms)
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Graphic Design & prepress terms from desktop publishing to offset printing.
(14 terms)
Aberration
An optical defect in a lens causing it to form an image that is not sharp or that is distorted in some way.
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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... |
Photography terms and concepts, including digital and traditional photographic techniques.
(11 terms)
Aperture
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. |
Web design termonology, concepts, and abbreviations.
(46 terms)
NCSA
Opening in January 1986 as one of the five original centers in the National Science Foundationīs Supercomputer Centers Program - part of the University of Illinois at Urbana-Champaign. The center works to further high-performance computing and networking and in developing software applications. NCSA greatly broadened the user base of remote supercomputing and the Internet with NCSA Telnet in 1987. In 1991, the center introduced NCSA Mosaic, the first readily-available graphical Web Browser.
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