21-letter words containing s, i, d, e, c, h
- a crying need for sth — If you say that there is a crying need for something, you mean that there is a very great need for it.
- ada core technologies — (company) (ACT) The company that maintains GNAT. Ada Core Technologies was founded in 1994 by the original authors of the GNAT compiler. ACT provides software for Ada 95 development.
- advanced risc machine — (processor) (ARM, Originally Acorn RISC Machine). A series of low-cost, power-efficient 32-bit RISC microprocessors for embedded control, computing, digital signal processing, games, consumer multimedia and portable applications. It was the first commercial RISC microprocessor (or was the MIPS R2000?) and was licensed for production by Asahi Kasei Microsystems, Cirrus Logic, GEC Plessey Semiconductors, Samsung, Sharp, Texas Instruments and VLSI Technology. The ARM has a small and highly orthogonal instruction set, as do most RISC processors. Every instruction includes a four-bit code which specifies a condition (of the processor status register) which must be satisfied for the instruction to be executed. Unconditional execution is specified with a condition "true". Instructions are split into load and store which access memory and arithmetic and logic instructions which work on registers (two source and one destination). The ARM has 27 registers of which 16 are accessible in any particular processor mode. R15 combines the program counter and processor status byte, the other registers are general purpose except that R14 holds the return address after a subroutine call and R13 is conventionally used as a stack pointer. There are four processor modes: user, interrupt (with a private copy of R13 and R14), fast interrupt (private copies of R8 to R14) and supervisor (private copies of R13 and R14). The ALU includes a 32-bit barrel-shifter allowing, e.g., a single-cycle shift and add. The first ARM processor, the ARM1 was a prototype which was never released. The ARM2 was originally called the Acorn RISC Machine. It was designed by Acorn Computers Ltd. and used in the original Archimedes, their successor to the BBC Micro and BBC Master series which were based on the eight-bit 6502 microprocessor. It was clocked at 8 MHz giving an average performance of 4 - 4.7 MIPS. Development of the ARM family was then continued by a new company, Advanced RISC Machines Ltd. The ARM3 added a fully-associative on-chip cache and some support for multiprocessing. This was followed by the ARM600 chip which was an ARM6 processor core with a 4-kilobyte 64-way set-associative cache, an MMU based on the MEMC2 chip, a write buffer (8 words?) and a coprocessor interface. The ARM7 processor core uses half the power of the ARM6 and takes around half the die size. In a full processor design (ARM700 chip) it should provide 50% to 100% more performance. In July 1994 VLSI Technology, Inc. released the ARM710 processor chip. An ARM800 chip is also planned.
- aleksandr-nikolaevich — Alexander (Aleksandr Nikolaevich) 1899–1977, Russian pianist and composer, in the U.S.
- algorithm description — (language) (ALDES) ["The Algorithm Description Language ALDES", R.G.K. Loos, SIGSAM Bull 14(1):15-39 (Jan 1976)].
- all things considered — You say all things considered to indicate that you are making a judgment after taking all the facts into account.
- american saddle horse — one of a breed of horses, raised originally in the U.S., that have high-stepping gaits and are bred to the three-gaited or five-gaited type.
- archimedes' principle — a law of physics stating that the apparent upward force (buoyancy) of a body immersed in a fluid is equal to the weight of the displaced fluid
- as dull as ditchwater — extremely uninspiring
- as luck would have it — fortunately
- bad conduct discharge — a discharge of a person from military service for an offense less serious than one for which a dishonorable discharge is given.
- behind someone's back — without someone's knowledge or consent
- cascading style sheet — a file recording style details, such as fonts, colours, etc, that is read by browsers so that style is consistent over multiple web pages
- category merchandiser — A category merchandiser is a person whose job is to maintain stocks, manage displays and promote sales of a certain product category such as footwear.
- cheese and wine party — a party at which cheese and wine are served
- child-directed speech — baby talk (def 2).
- christmas decorations — decorations of different kinds appropriate to Christmas, such as tinsel, candles, images of angels, etc.
- class-relation method — (programming) A design technique based on the concepts of object-oriented programming and the Entity-Relationship model from the French company Softeam.
- comfortably-furnished — containing comfortable furniture
- conditional discharge — If someone who is convicted of an offence is given a conditional discharge by a court, they are not punished unless they later commit a further offence.
- cosmological redshift — the part of the redshift of celestial objects resulting from the expansion of the universe.
- de-ontological ethics — the branch of ethics dealing with right action and the nature of duty, without regard to the goodness or value of motives or the desirability of the ends of any act.
- decompression chamber — a chamber in which the pressure of air can be varied slowly for returning people from abnormal pressures to atmospheric pressure without inducing decompression sickness
- denominational school — a school associated with a particular religious denomination
- disruptive technology — A disruptive technology is a new technology, such as computers and the Internet, which has a rapid and major effect on technologies that existed before.
- embarras de richesses — a superfluous abundance of options, from which one finds it difficult to select
- epidemic encephalitis — any type of widespread encephalitis caused by various viruses
- french fried potatoes — a more formal name for chips
- guaranteed scheduling — (algorithm) A scheduling algorithm used in multitasking operating systems that guarantees fairness by monitoring the amount of CPU time spent by each user and allocating resources accordingly.
- have the inside track — If you say that someone has the inside track, you mean that they have an advantage, for example special knowledge about something.
- hierarchical database — (database) A kind of database management system that links records together like a family tree such that each record type has only one owner, e.g. an order is owned by only one customer. Hierarchical structures were widely used in the first mainframe database management systems. However, due to their restrictions, they often cannot be used to relate structures that exist in the real world.
- hindu-arabic numerals — Arabic numeral.
- hyperkinetic disorder — another name for attention deficit hyperactivity disorder (ADHD)
- indicated horse-power — the horsepower of a reciprocating engine as shown by an indicator record. Abbreviation: ihp, IHP.
- joseph-marie jacquard — (person) /zhoh-zef' mah-ree' zhah-kar'/ (1752-07-07 to 1834-08-07) The inventor of the Jacquard loom.
- lady of the camellias — French La Dame aux Camélias. a novel (1848) and play (1852) by Alexandre Dumas fils.
- law of thermodynamics — any of three principles variously stated in equivalent forms, being the principle that the change of energy of a thermodynamic system is equal to the heat transferred minus the work done (first law of thermodynamics) the principle that no cyclic process is possible in which heat is absorbed from a reservoir at a single temperature and converted completely into mechanical work (second law of thermodynamics) and the principle that it is impossible to reduce the temperature of a system to absolute zero in a finite number of operations (third law of thermodynamics)
- mechanical solidarity — social cohesiveness that is based on shared activities, beliefs, and experiences and is characteristic of simple traditional societies.
- modern apprenticeship — an arrangement that allows a school leaver to gain vocational qualifications while being trained in a job
- mucopolysaccharidoses — Plural form of mucopolysaccharidosis.
- old spanish practices — irregular practices among a group of workers to gain increased financial allowances, reduced working hours, etc
- pathfinder prospectus — a prospectus regarding the flotation of a new company that contains only sufficient details to test the market reaction
- phenarsazine chloride — adamsite.
- philadelphia scrapple — a superior variety of scrapple made with pork shoulder and other cuts of pork rather than with pork scraps.
- phillips screw-driver — a screw head having two partial slots crossed at right angles, driven by a special screwdriver (Phillips screwdriver)
- physically challenged — See example at challenged (def 1).
- pipelined burst cache — Pipeline Burst Cache
- psychopathic disorder — (in England, according to the Mental Health Act 1983) a persistent disorder or disability of mind which results in abnormally aggressive or seriously irresponsible conduct on the part of the person concerned
- purchasing department — the group of staff within an organization that is responsible for buying goods or products
- purple-fringed orchis — either of two North American orchids (Habenaria psycodes and H. fimbriata) with purple-fringed flowers
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