input and output devices ppt presentation

Input and output

Input and output

Ngày tải lên : 30/09/2013, 06:20
... provide input and output, string handling, storage management, mathematical routines, and a variety of other services for C programs. We will concentrate on input and output The ANSI standard ... otherprog and prog, and pipes the standard output of otherprog into the 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

Tài liệu PreLifting and Clamping Devices ppt

Ngày tải lên : 24/12/2013, 20:16
...  Material: Forged and heat-treatedsteel, galvanised and yellowpassivated. Note: Clampingclawsquicklyspanverydifferentclampingheigths withouttheneedforadditionalsupports and takeupverylittle spaceonthemachinetable.Theyaredesignedformaximum loads and areparticularlysuitableforclampingcutting and  punchingtools. Suppliedwithoutclampingbolts– seepage C 41forsuitableclampingbolts. OrderingCode(example): Clamp,forkedshapeDIN6315B ...  2·11617·8·1 ° ClampingClaws,infinitelyvariable 2140.13. 2140.14. 2140.14. 2140.14. ClampingClaws,infinitelyvariable Material: Forged and heat-treatedsteel, galvanised and yellowpassivated. Note: Clampingclawsquicklyspanverydifferentclampingheightswithout theneedforadditionalsupports and takeupverylittlespaceon themachinetable.Theyaredesignedformaximumloads and are particularlysuitableforclampingcutting and punchingtools. Suppliedwithoutclampingbolts– seepage c 41forsuitableclampingbolts. a 1 a 2 b 1 b 2 c ...  Description: Thehingedunitisfreetorotatethrough360°,self-alignwiththe directionofpull and folding. Cannotberotatedunderfullloadat 90ºtothethreadedfixing.  Fullloadbearingcapacityinanydirection. Completewitha100%crack-checkedouter and innerhexagonal boltforuniversaltooluse. 2·11617·8·1 ° HoistingSnapLinks-omnidirectional...
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Unit 7 input device and output device

Unit 7 input device and output device

Ngày tải lên : 05/07/2013, 01:26
... Ins Pgdn nn caplock sptsrn Dơn F2 Dơn Unit 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 used to tough a certain place on a screen to transfer information to the computer. II - Output device: Any peripheral that receives and/ or displays output from a computer. ... microphone is a hardware peripheral that allows computer users to input audio into their computers Keyboard One of the main input devices used on a computer, a keyboard looks very similar to the...
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Tài liệu Mechanisms and Mechanical Devices Sourcebook P11 ppt

Tài liệu Mechanisms and Mechanical Devices Sourcebook P11 ppt

Ngày tải lên : 27/01/2014, 14:20
... steel, monel, and bronze for handling acids, oils, and sol- vents. The impeller is made of pressure- vulcanized laminated layers of Hycar, 85 to 90 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 ... single-gland type. Automatic wear control compensates for normal wear and maintains volumetric efficiency. This pump will handle 5 to 300 gph without churning or foaming. It needs no lubrication and...
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Tài liệu Mechanisms and Mechanical Devices Sourcebook P13 ppt

Tài liệu Mechanisms and Mechanical Devices Sourcebook P13 ppt

Ngày tải lên : 27/01/2014, 14:20
... ψ 13 and ψ 12 . This establishes points A′ 2 , A′ 3 and A′ 4 , but here A′ 3 and A′ 4 coincide because of symmetry of A 3 and A 4 about A 0 B 0 . 4. Draw lines A 1 A′ 2 and A 1 A′ 4 , and the ... is the 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 ... on a conveyor is tilted 90º by an output crank, which is actuated by an input crank through a coupler. Other mechanisms shown can also coordinate the input and output angles; some have dwell periods...
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Tài liệu Mechanisms and Mechanical Devices Sourcebook P14 ppt

Tài liệu Mechanisms and Mechanical Devices Sourcebook P14 ppt

Ngày tải lên : 27/01/2014, 14:20
... 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 will operate it. This motor can index gears in MEMS such as locking devices, counters, and odometers. It was built with Sandia’s four-layer ... capability and verifying commercial demand. Initially ADI built these devices by interleaving, com- bining, and customizing its internal manufacturing processes to produce the micromechanical devices...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 3

Mechanisms and Mechanical Devices Sourcebook - Chapter 3

Ngày tải lên : 22/10/2012, 14:26
... 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 ... breaks while the machine is running, the unsupported idler carrier falls to the 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 the seam 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

Mechanisms and Mechanical Devices Sourcebook - Chapter 4

Ngày tải lên : 22/10/2012, 14:26
... near standstill. In the disengaged position, the angu- lar velocity ratio between the output and input shafts (the “gear” ratio) is entirely dependent 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 ϕ is determined ... cam, the input shaft would drive the output gear by the worm gear at constant speed. The worm and the bar- rel cam, however, can slide linearly on the input shaft. The rota- tion of the input shaft...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 5

Mechanisms and Mechanical Devices Sourcebook - Chapter 5

Ngày tải lên : 22/10/2012, 14:26
... The input then drives the output with the bevel gears. Rotating the adjusting shaft in a plane at right angles to the input- output line changes the relative radial position of the input and output ... 138 134 TWELVE EXPANDING AND CONTRACTING DEVICES Parallel bars, telescoping slides, and other devices that can spark answers to many design problems. Fig. 1 Figs. 1 and 2 Expanding grilles are ... continuous rotary input motion into an output that oscillates the shaft back and forth. Sclater Chapter 5 5/3/01 11:47 AM Page 170 inputs, and z is the output. The motion of x and y in the same...
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