29-letter words containing a, u, n, t, i
- synchronous digital hierarchy — (communications, standard) (SDH) An international digital telecommunications network hierarchy which standardises transmission around the bit rate of 51.84 megabits per second, which is also called STS-1. Multiples of this bit rate comprise higher bit rate streams. Thus STS-3 is 3 times STS-1, STS-12 is 12 times STS-1, and so on. STS-3 is the lowest bit rate expected to carry ATM traffic, and is also referred to as STM-1 (Synchronous Transport Module-Level 1). The SDH specifies how payload data is framed and transported synchronously across optical fibre transmission links without requiring all the links and nodes to have the same synchronized clock for data transmission and recovery (i.e. both the clock frequency and phase are allowed to have variations, or be plesiochronous). SDH offers several advantages over the current multiplexing technology, which is known as Plesiochronous Digital Hierarchy. Where PDH lacks built-in facilities for automatic management and routing, and locks users into proprietary methods, SDH can improve network reliability and performance, offers much greater flexibility and lower operating and maintenance costs, and provides for a faster provision of new services. Under SDH, incoming traffic is synchronized and enhanced with network management bits before being multiplexed into the STM-1 fixed rate frame. The fundamental clock frequency around which the SDH or SONET framing is done is 8 KHz or 125 microseconds. SONET (Synchronous Optical Network) is the American version of SDH.
- to err on the side of caution — If you err on the side of caution, for example, you decide to act in a cautious way, rather than take risks.
- to run the gamut of something — To run the gamut of something means to include, express, or experience all the different things of that kind, or a wide variety of them.
- training opportunities scheme — a former government scheme offering vocational training to unemployed people
- translation look-aside buffer — (storage, architecture) (TLB) A table used in a virtual memory system, that lists the physical address page number associated with each virtual address page number. A TLB is used in conjunction with a cache whose tags are based on virtual addresses. The virtual address is presented simultaneously to the TLB and to the cache so that cache access and the virtual-to-physical address translation can proceed in parallel (the translation is done "on the side"). If the requested address is not cached then the physical address is used to locate the data in main memory. The alternative would be to place the translation table between the cache and main memory so that it will only be activated once there was a cache miss.
- trust territory of new guinea — (until 1975) an administrative division of the former Territory of Papua and New Guinea, consisting of the NE part of the island of New Guinea together with the Bismarck Archipelago; now part of Papua New Guinea
- united kingdom unionist party — a political party (1995–2008), based in Northern Ireland: it was non-sectarian but opposed to a united Ireland
- united states customs service — the division of the Department of the Treasury that collects customs and enforces laws dealing with smuggling.
- universal resource identifier — (web) (URI, originally "UDI" in some WWW documents) The generic set of all names and addresses which are short strings which refer to objects (typically on the Internet). The most common kinds of URI are URLs and relative URLs. URIs are defined in RFC 1630.
- until one is blue in the face — to the utmost degree; indefinitely
- visual basic for applications — (programming) (VBA) Microsoft's common language for manipulating components of its Microsoft Office suite. It is used as the macro language for these applications and is the primary means of customising and extending them. A VBA program operates on objects representing the application and the entities it manipulates, e.g. a spreadsheet or a range of cells in Microsoft Excel.
- vrije universiteit, amsterdam — (education, body) The "Free University of Amsterdam", founded in 1880 by Abraham Kuyper (who later became Prime Minister of The Netherlands). Originally only open to Reformed Christians, it is now open to all. Not to be confused with the much older Universiteit van Amsterdam.
- war of the spanish succession — a war (1701–14) fought by Austria, England, the Netherlands, and Prussia against France and Spain, arising from disputes about the succession in Spain after the death of Charles II of Spain.
- windows hardware quality labs — (body, standard) (WHQL) A Microsoft body that produces and supports the Microsoft Hardware Compatibility Test kit for current Microsoft operating systems. Products are tested with the kit to ensure that they meet Microsoft standards for compatibility with Windows and to qualify to use the "Designed for Microsoft Windows" logos.
- within earshot/out of earshot — If you are within earshot of someone or something, you are close enough to be able to hear them. If you are out of earshot, you are too far away to hear them.
- you can't hear yourself think — If you say that you can't hear yourself think, you are complaining and emphasizing that there is a lot of noise, and that it is disturbing you or preventing you from doing something.