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Topic: Control structures


  
  Control structures   (Site not responding. Last check: 2007-10-21)
European Association for the Control of Structures Plans and coordinates fundamental research and innovative adaptation of control technologies.
Structural Control Systems Overview and applications of structural control, including statistics on several actively controlled structures.
Sustainable Agriculture Tour -- Erosion Control Structures Diversion terraces, grassed waterways, surface inlets, and hedgerows are the most common structures used for soil conservation.
www.serebella.com /encyclopedia/article-Control_structures.html   (388 words)

  
 Variation in Control Structures
The project “Variation in Control Structures” is designed to test one of the basic principles of language, which determines that redundant information should be removed from sentence structure under appropriate conditions.
Control constructions have been at the fore of syntactic and semantic theorizing for the last thirty years, and the research into the syntax and semantics of Control constructions has led to important results in several theoretical domains.
Until recently, theories of Control were restricted in such a way as to prohibit the omission of the participant in the clause headed by a Control predicate.
ling.ucsd.edu /%7Epolinsky/control.html   (398 words)

  
 SOFIA - FS-123-96
Three types of coastal hydraulic control structures (gated spillways, gated culverts, and pump stations), as shown in figure 2, were strategically placed on the canal network, enabling water-management operators to drain water during high rainfall periods and to retain water during the dry periods.
Quantifying freshwater discharge through the coastal hydraulic control structures in eastern Dade County is an important component in the computation of accurate water budgets for the inland and wetland areas, calibration and use of water-management models, and computation of nutrient loadings to Biscayne Bay.
Only 12 of the 16 coastal hydraulic control structures have the necessary remote telemetry to compute continuous discharges; the other four (G-58, S-25, G-93, and S-197) are considered minor or, in the case of S-197, discharge significantly to the south of the area of interest.
sofia.usgs.gov /publications/fs/123-96   (1640 words)

  
 Control unit - LearnThis.Info Enclyclopedia   (Site not responding. Last check: 2007-10-21)
A control unit is the part of a CPU or other device that directs its operation.
The outputs of the unit control the activity of the rest of the device.
Words of the microprogram are selected by a microsequencer and the bits from those words directly control the different parts of the device, including the registers, arithmetic and logic units, instruction registers, buses, and off-chip input/output.
encyclopedia.learnthis.info /c/co/control_unit.html   (153 words)

  
 Control structures   (Site not responding. Last check: 2007-10-21)
Self-control and social control in childhood misconduct and aggression: the role of family structure, hyperactivity, and...
Micro- and macro- structures of delinquency causation and a power- control theory of gender and delinquency...
The Drinking-Related Locus of Control Scale: the factor structure with treatment-seeking outpatients.
hallencyclopedia.com /Control_structures   (400 words)

  
 Control flow - Wikipedia, the free encyclopedia
At the machine-/assembly language level, it is usually the case that the only instructions available for handling choice and/or loops are goto and conditional goto (often known as variations of jump and/or branch).
Other research showed that control structures with one entry and one exit were much easier to understand than any other form, primarily because they could be used anywhere as a statement without disrupting the control flow.
In his 1974 article "Structured Programming with go to Statements", Donald Knuth identified two situations which were not covered by the control structures listed above, and gave examples of control structures which could handle these situations.
en.wikipedia.org /wiki/Control_flow   (3254 words)

  
 Lesson 8 - Structured Programming, Control Structures, if-else Statements, Pseudocode
There are only three necessary control structures needed to write programs: sequence, selection, and iteration.
Control structures may be stacked (sequenced) one after the other.
Control structures may be nested inside other control structures.
www.sfusd.k12.ca.us /schwww/sch697/depts/math/simon/ICTJAVA/WebLessons/APCSL08/APCSL08-1-3.html   (279 words)

  
 On Some Control Structures in Hellenistic Greek: A Comparison with Classical and Modern Greek   (Site not responding. Last check: 2007-10-21)
Control Structures in Ancient Greek typically involved infinitival complementation while in Modern Greek, finite complementation is the rule.
The proper analysis of control structures is a much debated aspect of linguistic theory, whether “control” is taken in a narrow sense to refer to a nonfreely arrived at, i.e.
At first glance, control structures in Hellenistic Greek seem rather unexceptional, especially when viewed from the perspective of a theory of control, such as Government and Binding theory, that has been developed mostly on the basis, at the outset at least, of languages like English and French.
journals.dartmouth.edu /webobjbin/WebObjects/Journals.woa/1/xmlpage/1/article/61?htmlOnce=yes   (2223 words)

  
 Drop and Grade Control Structures Using Soil Cement | Portland Cement Association (PCA)
The crest of a grade-control structure is generally constructed at or near the existing channel bed with a cross section that resembles the upstream channel dimensions.
The purpose of the grade-control structure is to maintain the existing bed of the upstream channel and to force the degradation zone to occur at the erosion resistant soil-cement structure.
The geotechnical stability of drop and grade control structures is evaluated in a similar manner to that of bank protection.
www.cement.org /water/dams_sc_grade.asp   (463 words)

  
 Canadian Coast Guard, Pacific Region - Waterways Development, Management of River Control Structures
Many of these structures, originally built at the turn of the century, were designed to stabilize the main channel, improve navigation and reduce channel maintenance costs.
The structures are river training works engineered to direct river flow towards the navigation channel causing a natural deepening of the bottom by using the river's own energy to scour the riverbed to a new designed depth and equilibrium.
Calibrating the model by operating it with historical discharges and tidal cycles until the historical patterns of sedimentation are observed, then installing the proposed control structure and operating the model until the optimum configuration and alignment for the structure is found to reduce sedimentation.
www.pacific.ccg-gcc.gc.ca /wd-dvn/structure_e.htm   (233 words)

  
 ONLamp.com: Control Structures Revisited
structure used when multiple conditional checks are needed as well as a rather strange-looking conditional structure called the "conditional assignment" operator.
Today we'll introduce a new type of syntax available in PHP that acts both as a conditional control structure and as an operator all at the same time.
This control structure is called (for obvious reasons) the conditional assignment operator.
www.onlamp.com /pub/a/php/2001/08/23/php_foundations.html   (720 words)

  
 Control structures   (Site not responding. Last check: 2007-10-21)
Control structures should have an empty node included as the subject of their lower verb.
Subject control structures are easy to confuse with raising structures because they appear similar in some contexts.
As with subject control verbs, object control constructions cannot be used with expletives or non-thematic subjects of sentential idioms.
www.cis.upenn.edu /~creswell/dependency/control.html   (310 words)

  
 Mississippi Valley Conservation
Water control structures were first constructed on the Mississippi River and its tributaries in the mid 1800s, predominantly for timber or grist mill purposes.
Between 1910 and 1920, hydro generation began to become the mainstay of water control structure developments as several plants were constructed and many other dams were built to use as water supply for those dams.
Currently there are in excess of 30 water control structures in operation on the main Mississippi River and its tributaries, with remnants of another 20 or so still visible.
www.mvc.on.ca /text/dams.html   (333 words)

  
 Control Structures - Introduction - Olate   (Site not responding. Last check: 2007-10-21)
A control structure is a programming structure that allows your script/program to make decisions based on a certain set of commands and on the information provided.
Controlling the flow of your program allows you to make more flexible programs - you will struggle to find a complicated program without a control structure in it.
There are three different types of control structures available for you to use in your pograms - each allows control over the execution of certain instructions.
www.olate.com /articles/23   (211 words)

  
 Blogging Java: Control Structures   (Site not responding. Last check: 2007-10-21)
Structured programming is about getting rid of goto statements.
The theorem states that any algorithm can be expressed using only three basic control structures Sequence, Conditional and Iteration.
It has been shown that any program can be written, without the goto statement, using only the control structures sequence, conditional and iteration.
www.lykkenborg.no /blog/java/2005/04/control-structures.html   (103 words)

  
 2.13 Hybrid Control Structures in HLA
The HLA high level language control structures have a few drawbacks: (1) they're not true assembly language instructions, (2) complex boolean expressions only support short circuit evaluation, and (3) they often introduce inefficient coding practices into a language that most people only use when they need to write high-performance code.
HLA provides a set of hybrid control structures that allow you to use pure assembly language statements to evaluate boolean expressions while using the high level control structures to delineate the statements controlled by the boolean expressions.
While this chapter covers the principle high level control structures and their translation to assembly language, there are some additional control structures that this chapter does not consider.
webster.cs.ucr.edu /AoA/Linux/HTML/LowLevelControlStructsa6.html   (769 words)

  
 Control Structures   (Site not responding. Last check: 2007-10-21)
It is possible to nest control structures (almost) arbitrarily deep.
It executes the precondition when it enters the loop, and if the test part is true, it executes the code body and the test supplement repeatedly until the test part is false (checking it after the end of each loop, after running the test supplement).
As a general piece of terminology, an iterator is a variable that holds numeric data and is used to traverse a data structure through a control structure.
junior.apk.net /~qc/comp/progtut/control.html   (661 words)

  
 1270.01 Reporting on evaluations of internal control structures   (Site not responding. Last check: 2007-10-21)
This directive is set forth in the document titled "Evaluation of Internal Controls - A General Framework and System of Reporting." The General Framework prescribes periodic and ongoing monitoring of the system in order to maintain ongoing assurances about continued effectiveness of the internal control structure and to identify the need for changes.
A department's evaluation (regardless of the evaluation tools used and internal reports maintained) must provide the basis for departmental leadership to conclude whether the internal control structure has been designed to prevent, or to detect, potential risks and whether controls are working as prescribed.
Conducts review of evaluation to determine whether evaluation of internal control structure has been performed in accordance with the DMB general framework guidelines and has been carried out in a reasonable and prudent manner, and submits report to department director (EXHIBIT C).
www.michigan.gov /dmb/0,1607,7-150-9131_9347-29830--,00.html   (905 words)

  
 Control Structures   (Site not responding. Last check: 2007-10-21)
When an exception is thrown, control passes immediately to an exception handling routine selected by rules of the language.
Usually, each block or subroutine has the option of establishing an exception-handler for itself; the exception handler invoked is selected by: A. The type of exception, and B. The handler associated with the most-recently invoked block.
These control structures are based on the notion of making a hidden object, a "partially completed execution" concrete, so it can be stored, passed as a parameter, returned from a procedure, an ultimately executed.
www.cs.duke.edu /~raw/cps206/ControlStructures.htm   (1290 words)

  
 Fumigation for Insect Control: Sensitive Structures, Museums and Art and Valuables Repositories
The process of structural and space fumigation in museums, homes and other repositories for valuables, artifacts and art objects for the control of destructive insect pests is an effective, complex procedure and should only be attempted by well trained, expert fumigators who are completely knowledgeable in the art of fumigation.
Of the two structural fumigants available to use for this purpose, Vikane(r) (sulfuryl fluoride) should be given first consideration because of its relative trouble-free nature.
Vikane can be successfully used for trouble-free insect control in museums, homes and other repositories for valuables and art if strict compliance to the Vikane label is adhered to and if the fumigator has a full understanding of the proper procedures of structural fumigation.
palimpsest.stanford.edu /waac/wn/wn07/wn07-1/wn07-105.html   (653 words)

  
 R-Control Structural Insulated Panel FAQ's   (Site not responding. Last check: 2007-10-21)
R-Control Structural Insulated Panels are made from engineered wood facings adhesively bonded to expanded polystyrene high performance rigid insulation.
Air to air exchangers are used to bring in fresh air, preheat the air and assist in the removal of humidity and stale air.
The structural skins of R-Control Structural Insulated Panels are made from renewable controlled growth wood resources.
www.r-control.com /products/building_products/building/Sips/faq.asp   (1091 words)

  
 PHP: Control Structures - Manual
structure that is similar to that of C:
Or perhaps the "can be" at the start of the definition means it's only intended as a quick reminder, not as a definition: but the list that follows is then too complete for a reminder, yet not complete enough for a definition.
Finally, the include/require entries at the end of the list don't affect the order in which things are obeyed, so I don't see how they rate as *control* constructs.
www.php.net /manual/en/language.control-structures.php   (891 words)

  
 Citations: Decompilation of control-structures by means of graph-transformations - Lichtblau (ResearchIndex)   (Site not responding. Last check: 2007-10-21)
Decompilation of control structures by means of graph transformations.
....was written only once gets replicated one or more times; and the use of multilevel exits or high level structures that are not available in most languages restricts the generality of the method and the number of languages in which the structured version of the program can be written in.
presented a series of transformation rules to transform a control flow graph into a trivial graph by identifying subgraphs that represent high level control structures; such as 2 way conditionals, sequence, loops, and multiexit loops.
citeseer.ist.psu.edu /context/109543/0   (1543 words)

  
 Water Resources Investigations Report 98-4007 Abstract   (Site not responding. Last check: 2007-10-21)
Discharges through 10 selected coastal control structures in Broward and Palm Beach Counties, Florida, are presently computed using the theoretical discharge-coefficient ratings developed from scale modeling, theoretical discharge coefficients, and some field calibrations whose accuracies for specific sites are unknown.
These measurements were used to determine computed discharge-coefficient ratings for the coastal control structures under different flow regimes: submerged orifice flow, submerged weir flow, free orifice flow, and free weir flow.
Theoretical and computed discharge-coefficient ratings for submerged orifice and weir flows were determined at seven coastal control structures, and discharge ratings for free orifice and weir flows were determined at three coastal control structures.
fl.water.usgs.gov /Abstracts/wri98_4007_tillis.html   (327 words)

  
 The Basics - Control Structures
Control structures are constructs that are meant to direct the flow of a program in one way or another, usually based on conditions inside of the program.
Perl has the C and JAVA style control structures, but it also has a few that may be new to everyone.
Perl has three basic loop structures, two of which you have seen in major languages, and one that will new to most people.
www.eecis.udel.edu /~zurawski/perl/6.html   (797 words)

  
 Nonlinear Control of Structures in Earthquakes   (Site not responding. Last check: 2007-10-21)
The objectives of control of structures in earthquakes are to prevent injury to occupants and damage to contents and to protect the integrity of the structure.
Both objectives can be achieved through base isolation and feedback control, whereby the structure is stabilized relative to the inertial space.
Nonlinear on-off control with a dead zone in conjunction with direct feedback has the advantages of economy and simplicity of implementation.
www.pubs.asce.org /WWWdisplay.cgi?9705026   (137 words)

  
 Control Structures
control flow commands alter the order of execution of commands within a shell script.
continue statements work in conjunction with the control flow structures to alter the order of execution of commands within a script.
Exec does not return control to the original program, the exec bultin can only be used with the last command that you want to run the script.
spot.pcc.edu /~wmorales/cs140u/week_6.htm   (270 words)

  
 Automation World Article: Logic control structures automation system backbone (Features)   (Site not responding. Last check: 2007-10-21)
Control systems advances over the past 30 years have contributed tremendously to productivity, quality and profitability in manufacturing.
Control hardware is available in a variety of sizes, in terms of physical footprint, memory and numbers of inputs and outputs (I/O) handled.
That is, a programmer can organize the design of a control system with a sequence of blocks in which control algorithms written in one of the defined languages are embedded.
www.automationworld.com /cds_print.html?rec_id=74   (550 words)

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