TAILIEUCHUNG - Fiber Optics Illustrated Dictionary - Part 26

The Fiber Optics Illustrated Dictionary - Part 26 fills a gap in the literature by providing instructors, hobbyists, and top-level engineers with an accessible, current reference. From the author of the best-selling Telecommunications Illustrated Dictionary, this comprehensive reference includes fundamental physics, basic technical information for fiber splicing, installation, maintenance, and repair, and follow-up information for communications and other professionals using fiber optic components. Well-balanced, well-researched, and extensively cross-referenced, it also includes hundreds of photographs, charts, and diagrams that clarify the more complex ideas and put simpler ideas into their applications context | Fiber Optics Illustrated Dictionary dead spot A phrase often used in broadcast communications radio TV cellular to describe a region in which there are no signals due to terrain or other obstructions. Cellular customers in particular are susceptible to dead spots because they may be constantly moving between buildings boulders mountains etc. deadlock In competition for resources such as printers on a network a route on the Internet or space for a car on a road deadlock occurs when there is more demand than there is supply and the contention is unresolved. Contention is commonplace on networks and there are many ways to handle the situation but sometimes a system lacks a mechanism for resolving unexpected contention which may result in the system freezing looping making repeated unfulfilled requests or losing the directive for resources . a document disappearing from a print queue . The term deadlock is usually reserved for contentious situations where all the parties involved in the competition for resources experience some type of protracted slowdown or lockup which is difficult or impossible to resolve except by extraordinary measures . a reboot . See contention. debug v. To rid a system systematically of problems or bugs especially in computer software. In software bugs include syntax errors looping errors logical errors and user interface design ergonomics problems. This process has become easier with the availability of debugging software and higher level programming languages but it is still an arduous exacting painstaking activity. In the programming community not all good programmers are good debuggers and code is sometimes passed on to a programmer who has a particular mindset and talent for this exacting detail-oriented work. Software databases for tracking and reporting bugs are becoming popular and automated programs to test software in order to find problems and report bugs may be included in the debugging arsenal. decay Reduction through .

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