input and output devices ppt presentation free download
Input and output
... provide input and output, string handling, storagemanagement, mathematical routines, and a variety of other services for C programs. We willconcentrate on input and output The ANSI standard ... otherprog and prog, and pipes the standard output of otherprog intothe standard input for prog. The function int putchar(int)is used for output: putchar(c) puts the character c on the standard output, ... files and providing pointers for them. These files are the standard input, the standard output, and the standard error; the corresponding file pointers are called stdin, stdout, and stderr, and...
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Tài liệu PreLifting and Clamping Devices ppt
... Material:Forged and heat-treatedsteel,galvanised and yellowpassivated.Note:Clampingclawsquicklyspanverydifferentclampingheigthswithouttheneedforadditionalsupports and takeupverylittlespaceonthemachinetable.Theyaredesignedformaximumloads and areparticularlysuitableforclampingcutting and punchingtools.Suppliedwithoutclampingbolts–seepageC41forsuitableclampingbolts.OrderingCode(example):Clamp,forkedshapeDIN6315B ... 2·11617·8·1°ClampingClaws,infinitelyvariable2140.13.2140.14.2140.14.2140.14.ClampingClaws,infinitelyvariableMaterial:Forged and heat-treatedsteel,galvanised and yellowpassivated.Note:Clampingclawsquicklyspanverydifferentclampingheightswithouttheneedforadditionalsupports and takeupverylittlespaceonthemachinetable.Theyaredesignedformaximumloads and areparticularlysuitableforclampingcutting and punchingtools.Suppliedwithoutclampingbolts–seepagec41forsuitableclampingbolts.a1a2b1b2c ... Description:Thehingedunitis free torotatethrough360°,self-alignwiththedirectionofpull and folding.Cannotberotatedunderfullloadat90ºtothethreadedfixing.Fullloadbearingcapacityinanydirection.Completewitha100%crack-checkedouter and innerhexagonalboltforuniversaltooluse.2·11617·8·1°HoistingSnapLinks-omnidirectional...
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Unit 7 input device and output device
... InsPgdnnncaplocksptsrnDơnF2DơnUnit 7 input devices and output devices. I - input devices. A hardware device that sends information into the CPU. Without any input devices a computer would simply be a display device and not ... sensitive to light and is usedto tough a certain place on a screen to transferinformation to the computer.II - Output device:Any peripheral that receives and/ or displays output from a computer. ... microphone is a hardware peripheral that allowscomputer users to input audio into their computersKeyboardOne of the main input devices used on a computer, akeyboard looks very similar tothe...
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Tài liệu Mechanisms and Mechanical Devices Sourcebook P11 ppt
... steel, monel, and bronze for handling acids, oils, and sol-vents. The impeller is made of pressure-vulcanized laminated layers of Hycar, 85 to90 percent hard. Sand, grit, scale and fibrous materials ... and sealed, and compensates for variations in atmospheric pressure by changing the output of the reference differential transformer. The signal output con-sists of the algebraic sum of the outputs ... ismade of bronze and will handle volumes to 15 gpm. The Squeegee develops a vacuum of25 in. of mercury and will work against pressures of 50 lb/in2.12. THIS PUMP CAN TRANSFER free- flowing liquids,...
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Tài liệu Mechanisms and Mechanical Devices Sourcebook P13 ppt
... ψ13 and ψ12. This establishes points A′2, A′3 and A′4, but here A′3 and A′4coincide because of symmetry of A3 and A4about A0B0.4. Draw lines A1A′2 and A1A′4, and the ... ψ13, and ψ14, usingfreely chosen pivot points A0 and B0. In this case, crank lengthA0A as well as B0B is to be determined, and the procedure is:1. Locate pivot points A0 and B0on ... isthe output and it replaces the center gear in Fig. 1.Fig. 7 A more practical ring-gear and slider arrangement.The output is now from the smaller gear.Fig. 8 Jensen’s model of the ring-gear and...
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Tài liệu Mechanisms and Mechanical Devices Sourcebook P14 ppt
... elements and icons, and 2D drafting and detailing capability, which support design collaboration and compatibility among CAD, CAM, and computer-aided engineer-ing (CAE) applications. Designers and ... than 5 ms/step. An input of two simple input pulse signals willoperate it. This motor can index gears inMEMS such as locking devices, counters, and odometers. It was built with Sandia’sfour-layer ... organic and freeform shapes. Consequently, commercialsoftware producers offer 3D hybrid surface and solid-modelingsuites that integrate 2D drafting and 3D wireframe with 3D surface and 3D solid...
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Tài liệu Báo cáo khoa học: "An ERP-based Brain-Computer Interface for text entry using Rapid Serial Visual Presentation and Language Modeling" ppt
... ofthe timing of the presentation of stimuli. We definea sequence to be a randomly-ordered set of all theletters (and the space and backspace symbols). Theletters are randomly ordered for each ... atten-tion and visual speller design in an ERP-based brain-computer interface. Behavioral and Brain Functions,6(1):28.J.R. Wolpaw, N. Birbaumer, D.J. McFarland,G. Pfurtscheller, and T.M. Vaughan. ... E. Yom-Tov, and G.F. Inbar. 2005. An im-proved P300-based brain-computer interface. NeuralSystems and Rehabilitation Engineering, IEEE Trans-actions on, 13(1):89–98.M.S. Treder and B. Blankertz....
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Mechanisms and Mechanical Devices Sourcebook - Chapter 3
... the raising and lowering of the transport is accomplished by a cam. The shafts, F, E, and D are positioned by the frame of the machine. Special bell cranks support the transport and are interconnected ... breakswhile the machine is running, the unsupported idler carrier falls tothe base of the standard, and when the standard arrives at the sta-tion in the raceway adjacent to the cam C, the lug L on the ... stopped and reversed until theseam has passed through rollers before they are stopped and reversed again.Fig. 5 Electric stop for a loom. When a thread breaks or slackens,the drop wire falls and...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 4
... near standstill.In the disengaged position, the angu-lar velocity ratio between the output and input shafts (the “gear” ratio) is entirelydependent upon the design angles α and β and independent ... drive, the two rollers drive the output shaft and lock it during dwell periods. For each revolution of the input shaft,the output shaft has two motion periods. The output displacement ϕis determined ... shaft line. Thedrive has multiple disks, free torotate on a common shaft, exceptfor the extreme left and right diskswhich are keyed to the input and output shafts, respectively. Everyother...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 5
... The input then drives the output with the bevelgears. Rotating the adjusting shaft in aplane at right angles to the input- output line changes the relative radial positionof the input and output ... 138134TWELVE EXPANDING AND CONTRACTING DEVICES Parallel bars, telescoping slides, and other devices that can spark answers to many design problems.Fig. 1Figs. 1 and 2 Expanding grilles are ... continuousrotary input motion into an output that oscillates the shaft back and forth.Sclater Chapter 5 5/3/01 11:47 AM Page 170inputs, and z is the output. The motion of x and y in the same...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 6
... ARRANGEMENTSDifferential, duplex, and other types of screws can provide slow and fast feeds, minute adjustments, and strong clamping action.Rapid and slow feed. With left- and right-handthreads, slide motion ... and neg-ligible hysteresis characteristics. Thebearing is radiation-resistant and can beused in high vacuum conditions or inenvironments where there is dirt and contamination.185TAUT BANDS ... and drives a dowel pin for locking purposes. A right- and left-handed shaft (C) actuates a press.Sclater Chapter 6 5/3/01 12:25 PM Page 192Do you need a buffer between vibratingmachinery and...
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