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22-letter words containing d, e, c, i, u

  • human interface device — (hardware)   (HID) Any device to interact directly with humans (mostly input) like keyboard, mouse, joystick, or graphics tablet.
  • hybrid multiprocessing — (parallel)   (HMP) The kind of multitasking which OS/2 supports. HMP provides some elements of symmetric multiprocessing, using add-on IBM software called MP/2. OS/2 SMP was planned for release in late 1993.
  • industrial archaeology — the study of past industrial machines, works, etc
  • industrialized country — a country characterized by industry on an extensive scale
  • inland revenue service — In the United States, the Inland Revenue Service is the government authority which collects taxes. The abbreviation IRS is often used.
  • instruction scheduling — The compiler phase that orders instructions on a pipelined, superscalar, or VLIW architecture so as to maximise the number of function units operating in parallel and to minimise the time they spend waiting for each other. Examples are filling a delay slot; interspersing floating-point instructions with integer instructions to keep both units operating; making adjacent instructions independent, e.g. one which writes a register and another which reads from it; separating memory writes to avoid filling the write buffer. Norman P. Jouppi and David W. Wall, "Available Instruction-Level Parallelism for Superscalar and Superpipelined Processors", Proceedings of the Third International Conference on Architectural Support for Programming Languages and Operating Systems, pp. 272--282, 1989.
  • intermediate frequency — the middle frequency in a superheterodyne receiver, at which most of the amplification takes place. Abbreviation: if.
  • intermetallic compound — a compound of two or more metals.
  • islamic fundamentalism — the belief or advocating of a conservative adherence to literal or traditional interpretations of the Qu'ran and the Sunnah
  • jacquard, joseph-marie — Joseph-Marie Jacquard
  • joint density function — a function of two or more random variables from which can be obtained a single probability that all the variables in the function will take specified values or fall within specified intervals
  • landscape architecture — the art of arranging or modifying the features of a landscape, an urban area, etc., for aesthetic or practical reasons.
  • large magellanic cloud — a satellite galaxy of our own Milky Way galaxy, appearing as a hazy cloud in the southern constellations Dorado and Mensa.
  • law of excluded middle — the principle that any proposition must be either true or false.
  • letter of introduction — a letter given by one person to another, as an introduction to a third party
  • linear induction motor — an electric motor in which a movable part moves in a straight line, with power being supplied by a varying magnetic field set up by a fixed part of the system, as a metal rail on the ground.
  • lord justice of appeal — an ordinary judge of the Court of Appeal
  • lunar excursion module — lunar module. Abbreviation: LEM.
  • mathematical induction — induction (def 5).
  • middle-distance runner — someone who runs races of a length between the sprints and the distance events, esp the 800 metres and the 1500 metres
  • molecular distillation — a vacuum distillation in which the molecules of the distillate reach the condenser before colliding with one another.
  • national semiconductor — (company)   A semiconductor manufacturer, responsible for the SC/MP, National Semiconductor 16000 and National Semiconductor 32000 series of microprocessors.
  • nickel-cadmium battery — a storage battery, with an alkaline electrolyte, having nickel oxide as the positive element and cadmium as the negative.
  • nominal semidestructor — (abuse)   Slang for "National Semiconductor", found among other places in the 4.3BSD networking sources. During the late 1970s to mid-1980s this company marketed a series of microprocessors including the National Semiconductor 16000 and National Semiconductor 32000. At one point early in the great microprocessor race, the specs on these chips made them look like serious competition for the rising Intel 80x86 and Motorola 680x0 series. Unfortunately, the actual parts were notoriously flaky and never implemented the full instruction set promised in their literature, apparently because the company couldn't get any of the mask steppings to work as designed. They eventually sank without trace, joining the Zilog Z8000 and a few even more obscure also-rans in the graveyard of forgotten microprocessors.
  • non-euclidean geometry — geometry based upon one or more postulates that differ from those of Euclid, especially from the postulate that only one line may be drawn through a given point parallel to a given line.
  • nondestructive testing — any of several methods of detecting flaws in metals without causing damage. The most common techniques involve the use of X-rays, gamma rays, and ultrasonic vibrations
  • normal order reduction — Under this evaluation strategy an expression is evaluated by reducing the leftmost outermost redex first. This method will terminate for any expression for which termination is possible, whereas applicative order reduction may not. This method is equivalent to passing arguments unevaluated because arguments are initially to the right of functions applied to them. See also computational adequacy theorem.
  • object-oriented turing — (language)   An extension of Turing and a replacement for Turing Plus by R.C. Holt <[email protected]>, U Toronto, 1991. Object-Oriented Turing supports imperative programming, object-oriented programming and concurrent programming. It has modules, classes, single inheritance, processes, exception handling and optional machine-dependent programming. There is an integrated environment under the X Window System and a demo version. Versions exist for Sun-4, MIPS, RS-6000 and others. E-mail: <[email protected]>.
  • open source definition — (standard)   (OSD) Definition of distribution terms for open source software, promoted by the Open Source Initiative.
  • ousterhout's dichotomy — (language)   John Ousterhout's division of high-level languages into "system programming languages" and "scripting languages". This distinction underlies the design of his language Tcl. System programming languages (or "applications languages") are strongly typed, allow arbitrarily complex data structures, and programs in them are compiled, and are meant to operate largely independently of other programs. Prototypical system programming languages are C and Modula-2. By contrast, scripting languages (or "glue languages") are weakly typed or untyped, have little or no provision for complex data structures, and programs in them ("scripts") are interpreted. Scripts need to interact either with other programs (often as glue) or with a set of functions provided by the interpreter, as with the file system functions provided in a UNIX shell and with Tcl's GUI functions. Prototypical scripting languages are AppleScript, C Shell, MS-DOS batch files and Tcl. Many believe that this is a highly arbitrary dichotomy, and refer to it as "Ousterhout's fallacy" or "Ousterhout's false dichotomy". While strong-versus-weak typing, data structure complexity, and independent versus stand-alone might be said to be unrelated features, the usual critique of Ousterhout's dichotomy is of its distinction of compilation versus interpretation, since neither semantics nor syntax depend significantly on whether code is compiled into machine-language, interpreted, tokenized, or byte-compiled at the start of each run, or any mixture of these. Many languages fall between being interpreted or compiled (e.g. Lisp, Forth, UCSD Pascal, Perl, and Java). This makes compilation versus interpretation a dubious parameter in a taxonomy of programming languages.
  • out-of-body experience — a vivid feeling of being detached from one's body, usually involving observing it and its environment from nearby
  • peanut-butter sandwich — a sandwich with a filling of peanut-butter
  • phosphorus trichloride — a clear, colorless, fuming liquid, PCl 3 , used chiefly in organic synthesis as a chlorinating agent.
  • picture of dorian gray — a novel (1891) by Oscar Wilde.
  • potassium ferricyanide — a bright-red, crystalline, water-soluble, poisonous solid, K 3 Fe(CN) 6 , used chiefly in the manufacture of pigments, as Prussian blue, and of paper, especially blueprint paper.
  • potassium ferrocyanide — a lemon-yellow, crystalline, water-soluble solid, K 4 Fe(CN) 6 ⋅3H 2 O, used chiefly in casehardening alloys having an iron base and in dyeing wool and silk.
  • privileged instruction — A machine code instruction that may only be executed when the processor is running in supervisor mode. Privileged instructions include operations such as I/O and memory management.
  • productivity agreement — an agreement whereby the employees of an organization agree to changes which are intended to improve productivity in return for an increase in pay or other benefits
  • programmed instruction — a progressively monitored, step-by-step teaching method, employing small units of information or learning material and frequent testing, whereby the student must complete or pass one stage before moving on to the next.
  • public domain software — public domain
  • public limited company — A public limited company is the same as a public company. The abbreviation plc is used after such companies' names.
  • punctuated equilibrium — theory of, Biology. a hypothesis holding that the evolution of species proceeds in a characteristic pattern of relative stability for long periods of time interspersed with much shorter periods during which many species become extinct and new species emerge. Also called punctuationalism. Compare gradualism (def 3).
  • quarter inch cartridge — (storage)   /kwik/ (QIC) a type of magnetic tape and tape drive. Development standards for QIC make it possible for tapes written on one QIC drive to be read on another. QIC drives are made to work with different lengths of tape. The model number of the drive consists of QIC followed by a number which indicates the drives tape capacity in megabytes (MB).
  • queen's bench division — (in England when the sovereign is female) one of the divisions of the High Court of Justice
  • received pronunciation — the pronunciation of British English considered to have the widest geographical distribution and the fewest regional peculiarities, originally the pronunciation of educated speakers in southern England and traditionally that used in the public schools and at Oxford and Cambridge universities, adopted by many speakers elsewhere in England and widely used in broadcasting. Abbreviation: RP.
  • rectangular coordinate — Usually, rectangular coordinates. either of two Cartesian coordinates in which the axes meet at right angles.
  • reproduction furniture — furniture that is made in an imitation or copy of a past style
  • reproductive isolation — the conditions, as physiological or behavioral differences or geographical barriers, that prevent potentially interbreeding populations from cross-fertilization.
  • restricted users group — a group of people who, with knowledge of a secret password, or by some other method, have access to restricted information stored in a computer
  • retrograde ejaculation — ejaculation of semen backward toward the bladder instead of forward through the urethra.
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