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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)
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...
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Graphic Design & prepress terms from desktop publishing to offset printing.
(14 terms)
PostScript
A Page Description Language (PDL) developed by Adobe Systems. PostScript is primarily a language for printing documents on laser printers, but it can be adapted to produce images on other types of devices. PostScript is the standard for desktop publishing because it is supported by imagesetters, the very high-resolution printers used by service bureaus to produce camera-ready copy.
PostScript is an object-oriented language, meaning that it treats images, including fonts, as collections of ge... |
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)
Chromatic-aberration
A lens defect that bends light rays of different colors at different angles and therefore focuses them on different planes.
This is common with low-end digital cameras and small consumer point-and-shoot models. |
Web design termonology, concepts, and abbreviations.
(46 terms)
Webmaster
Person responsible for managing a web-site. The web designer and Webmaster may or may not be the same person.
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