30-letter words containing a, c, e, t, y, l
- adenosine cyclic monophosphate — cyclic AMP.
- advanced technology attachment — (storage, hardware, standard) (ATA, AT Attachment or "Integrated Drive Electronics", IDE) A disk drive interface standard based on the IBM PC ISA 16-bit bus but also used on other personal computers. ATA specifies the power and data signal interfaces between the motherboard and the integrated disk controller and drive. The ATA "bus" only supports two devices - master and slave. ATA drives may in fact use any physical interface the manufacturer desires, so long as an embedded translator is included with the proper ATA interface. ATA "controllers" are actually direct connections to the ISA bus. Originally called IDE, the ATA interface was invented by Compaq around 1986, and was developed with the help of Western Digital, Imprimis, and then-upstart Conner Peripherals. Efforts to standardise the interface started in 1988; the first draft appeared in March 1989, and a finished version was sent to ANSI group X3T10 (who named it "Advanced Technology Attachment" (ATA)) for ratification in November 1990. X3T10 later extended ATA to Advanced Technology Attachment Interface with Extensions (ATA-2), followed by ATA-3 and ATA-4.
- arbitrary precision calculator — (tool) An arbitrary precision C-like calculator. Interpreter version 1.26.4 by David I. Bell <[email protected]>. Ported to Linux.
- atlantic intracoastal waterway — a system of inland and coastal waterways along the Atlantic coast of the US from Cape Cod to Florida Bay. Length: 2495 km (1550 miles)
- australian antarctic territory — the area of Antarctica, other than Adélie Land, that is claimed by Australia (claims are suspended under the Antarctic Treaty), lying south of latitude 60°S and between longitudes 45°E and 160°E
- automatically programmed tools — (language) (APT) A language for numerically controlled machine tools. Versions: APT II (IBM 704, 1958), APT III (IBM 7090, 1961).
- circulating fluidized catalyst — A circulating fluidized catalyst is a catalyst in an FCC process which is continuously circulated between the reactor and the regenerator using air, oil vapors, and steam.
- college of advanced technology — (formerly) a college offering degree or equivalent courses in technology, with research facilities. In the mid-1960s these were granted university status
- commission for racial equality — (in Britain) a body of fourteen members appointed by the Home Secretary under the Race Relations Act 1976 to enforce the provisions of that Act
- community mental health center — a health-care facility or network of agencies that is part of a system originally authorized by the U.S. government to provide a coordinated program of continuing mental health care to a specific population.
- computational adequacy theorem — This states that for any program (a non-function typed term in the typed lambda-calculus with constants) normal order reduction (outermost first) fails to terminate if and only if the standard semantics of the term is bottom. Moreover, if the reduction of program e1 terminates with some head normal form e2 then the standard semantics of e1 and e2 will be equal. This theorem is significant because it relates the operational notion of a reduction sequence and the denotational semantics of the input and output of a reduction sequence.
- computer telephony integration — Computer Telephone Integration
- dichlorodiphenyldichloroethane — (organic chemistry) An organochlorine insecticide that is a metabolite of DDT.
- electronic commerce dictionary — (publication) A lexicon of electronic commerce terms. It includes over 900 terms and acronyms, and over 200 website addresses. It has entries on commerce over the World-Wide Web, Internet payment systems, The National Information Infrastructure, Electronic Data Interchange, Electronic Funds Transfer, Public Key Cryptography, smart cards and digital cash, computer and network security for commerce, marketing through electronic media.
- international core war society — (games, standard, body) (ICWS) The official standards body for Core War.
- international geophysical year — the 18-month period from July 1, 1957, to Dec 31, 1958, during which a number of nations agreed to cooperate in a geophysical research programme
- laboratory instrument computer — (computer) (LINC) A computer which was originally designed in 1962 by Wesley Clark, Charles Molnar, Severo Ornstein and others at the Lincoln Laboratory Group, to facilitate scientific research. With its digital logic and stored programs, the LINC is accepted by the IEEE Computer Society to be the World's first interactive personal computer. The machine was developed to fulfil a need for better laboratory tools by doctors and medical researchers. It would supplant the 1958 Average Response Computer, and was designed for individual use. Led by William N. Papian and mainly funded by the National Institute of Health, Wesley Clark designed the logic while Charles Molnar did the engineering. The first LINC was finished in March 1962. In January 1963, the project moved to MIT, and then to Washington University (in St. Louis) in 1964. The LINC had a simple operating system, four "knobs" (which was used like a mouse), a Soroban keyboard (for alpha-numeric data entry), two LINCtape drives and a small CRT display. It originally had one kilobit of core memory, but this was expanded to 2 Kb later. The computer was made out of Digital Equipment Corporation (DEC) hardware modules. Over 24 LINC systems had been built before late 1964 when DEC began to sell the LINC commercially. After the introduction of the PDP-8, Dick Clayton at DEC produced a rather frightening hybrid of the LINC and PDP-8 called a LINC-8. This really was not a very satisfactory machine, but it used the new PDP-8 style DEC cards and was cheaper and easier to produce. It still didn't sell that well. In the late 1960s, Clayton brought the design to its pinnacle with the PDP-12, an amazing tour de force of the LINC concept; along with about as seamless a merger as could be done with the PDP-8. This attempted to incorporate TTL logic into the machine. The end of the LINC line had been reached. Due to the success of the LINC-8, Spear, Inc. produced a LINC clone (since the design was in the public domain). The interesting thing about the Spear micro-LINC 300 was that it used MECL II logic. MECL logic was known for its blazing speed (at the time!), but the Spear computer ran at very modest rates. In 1995 the last of the classic LINCs was turned off for the final time after 28 years of service. This LINC had been in use in the Eaton-Peabody Laboratory of Auditory Physiology (EPL) of the Massachusetts Eye and Ear Infirmary. On 15 August 1995, it was transferred to the MIT Computer Museum where it was put on display.
- lay (or set or clap) eyes on — to see; look at
- limited-payment life insurance — a form of life insurance for which premiums are paid for a designated number of years.
- marshal of the royal air force — a rank in the Royal Air Force comparable to that of Field Marshal in the British army
- media gateway control protocol — (communications, protocol) (MGCP) A protocol used within a Voice over IP system. MGCP is an IETF work in progress, it superseded SGCP. MGCP is an internal protocol used within a distributed system that appears to the outside world as a single VoIP gateway. This system is composed of a Call Agent, and a set of gateways, including at least one "media gateway" that performs the conversion of media signals between circuits and packets, and at least one "signalling gateway" when connected to an SS7 controlled network.
- melanocyte-stimulating hormone — MSH.
- social security administration — a division of the Department of Health and Human Services, created in 1946, that administers federal Social Security programs. Abbreviation: SSA.
- to put your cards on the table — If you put or lay your cards on the table, you deal with a situation by speaking openly about your feelings, ideas, or plans.
- transdermal therapeutic system — A transdermal therapeutic system is a method of delivering medication into the bloodstream through the skin, usually in the form of a medicated patch.
- upright database technology ab — (company) The Swedish company that developed the Mimer SQL database.
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