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Data and Telecommunications, terms, concepts and abbreviations.
(19 terms)
B8ZS
A coding technique that transmits T1 data at 1.536Mbps by inserting the pattern 00011011, with BPVīs in the fourth and seventh positions, wherever ones density requirements are not met by the unmodified data. It requires the CSU to not remove bipolar violations, and works only where the phone company equipment can tolerate it. This allows 64Kbps channels on a T1 (for example) rather then the base 56Kbps.
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Computer Hardware parts, abbreviations and concepts.
(6 terms)
RAM
RAM is a type of computer storage whose contents can be accessed in any order. This is in contrast to sequential memory devices such as magnetic tapes, discs and drums, in which the mechanical movement of the storage medium forces the computer to access data in a fixed order. It is usually implied that RAM can be both written to and read from, in contrast to read-only memory or ROM.
Computers use RAM to hold the program code and data during execution. In the first electronic computers, RAM wa... |
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Graphic Design & prepress terms from desktop publishing to offset printing.
(14 terms)
PDL
Abbreviated as PDL, a language for describing the layout and contents of a printed page. The best-known PDLs are Adobe PostScript and Hewlett-Packard PCL (Printer Control Language), both of which are used to control laser printers.
Both PostScript and modern versions of PCL are object-oriented, meaning that they describe a page in terms of geometrical objects such as lines, arcs, and circles. |
Linux/Unix Terms and Commands.
(9 terms)
TCP
Used in conjunction with the Internet Protocol (IP) to transmit information over the Internet in the form of units.
While IP takes care of handling the actual delivery of the data, TCP takes care of keeping track of the packets that a message is divided into for efficient routing through the Internet. For example, when a web page is downloaded from a web server, the TCP program layer in that server divides the file into packets, numbers the packets, and then forwards them individually to the ... |
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Photography terms and concepts, including digital and traditional photographic techniques.
(11 terms)
Wide Angle Lens
A lens with a short focal length that takes in a wide view of the subject. In the 35mm format, lenses with a focal length of 35mm or shorter are generally considered wide-angle lenses.
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Web design termonology, concepts, and abbreviations.
(46 terms)
URL
An address referring to a document on the Internet. This can be used to reference a web page via HTTP or a file to be accessed via FTP, for example. The reason for a URL (rather then just the address) is to define completely what a computer must do, and where it must go, to access a document (sometimes even on itīs local hard drive in the case of īfile:ī)
The syntax of a URL consists of four elements: Protocol://address/path/document - here are a few examples: http://www.pawprint.net/in... |