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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)
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)
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)
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)
Domain Registrant
The individual or organization that registers a specific domain name. This individual or organization holds the right to use that specific domain name for a specified period of time, provided certain conditions are met and the registration fees are paid. This person or organization is the "legal entity" bound by any terms of the Service from the registrar.
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