What is Input: Definition and 615 Discussions

An input method (or input method editor, commonly abbreviated IME) is an operating system component or program that enables users to generate characters not natively available on their input devices by using sequences of characters (or mouse operations) that are natively available on their input devices. Using an input method is usually necessary for languages that have more graphemes than there are keys on the keyboard.
For instance, on the computer, this allows the user of Latin keyboards to input Chinese, Japanese, Korean and Indic characters. On hand-held devices, it enables using the numeric keypad to enter Latin alphabet characters (or any other alphabet characters) or a screen display to be touched to do so. On some operating systems, an input method is also used to define the behaviour of the dead keys.

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  1. E

    MHB Desmos: Formula input in Firefox

    Is it just me or Desmos ruined its formula input? In the past when I typed x, /, 1, +, x I got $\frac{x}{1+x}$. Now I'm getting $\frac{x}{1}+x$. In fact, I can't figure out how to type $\frac{x}{1+x}$ at all. Even if I have $\frac{1}{1x}$ and the cursor is between 1 and $x$ in the denominator...
  2. I

    MHB Creating an inverter from a 2 input NAND gate

    how would yo connect a 2 input nand gate to form a basic inverter? i constructed a truth table. i know that the two middle ones don't count because the inputs have to be of the same value for an inverter. but what conclusion can i draw from this?
  3. vead

    So, how do I design a microcontroller using verilog?

    hello experts I want to write input and output for microcontroller in verilog langugae (8051) I have tried to write code Module mcu (clk, rst, en, p_in, p_out, t_in, t_out, i_in,i_out, rx_in, tx_out ,a0,a1,a2,d0,d1,d2,d3,d4,d5,d6,d7,a,b,s0,s1,s2,f,...etc); Rst= reset input Clk= clock...
  4. T

    Fortran FORTRAN 77 input absolute values

    How to input absolute values in FORTRAN77? This was the code I used READ *,H PRINT *,H The input I gave was 0.01 But the output I got was 0.00999999978.
  5. DivergentSpectrum

    Getting input from an array of textboxes for another window (wpf)

    Hi, I am working on an n-body solver. using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows; using System.Windows.Controls; using System.Windows.Data; using System.Windows.Documents; using System.Windows.Input...
  6. A

    My op amp doesn't work well under AC input

    The type of op amp I am using is Voltage-to-Current Amp. Under DC voltage input, it works perfectly well, boosting the current of a signal generator (DC mode) up to 250mA with the help of single supply working at 25V. However, when I turn the signal generator in AC mode, hoping to achieve...
  7. P

    COMSOL - Plane Wave Radiation input not matching Pressure Field

    I have a model set up, that is a cuboid, with a membrane half-way along - a bit like an impedance tube setup. I've used Integration 1 & 2 with Explicit 1 & 2 to define an 'inlet' and 'outlet' at opposing faces of the tube. The Variables for the inlet and outlet are intop1(p0) and intop2(p)...
  8. P

    COMSOL - Structural Mechanics - Membrane - vibration without input?

    I've just got a quick question that hopefully someone can answer. My question is - why does the membrane in COMSOL vibrate without you telling it to? Here are some specifics if required... In COMSOL here are my setup details: - Physics: (3D) Structural mechanics - Membrane Study...
  9. B

    MATLAB [Matlab] Function Handle-user input

    Hi, My question is in relation to Matlab. I'm curious, is there anyway to employ user inputs for function handles? By this I mean that the user is prompted to enter they're chosen function and the next line of code employs that into a handle. My quick and rough attempt was...
  10. B

    Understanding the Relationship Between Power Input and Torque in Wind Turbines

    Hello Physics Forum, Thanks to the Physics Forum, I learned an equation that helps me understand the relation between torque and power generated for a wind turbine. The equation is P = m * ω and can be rewritten as m = P/n * 30/∏ where m = applied torque, P = power generated, n...
  11. P

    Looking for input about internship project

    A little background first; I contacted a person at a national lab to see if he could hire me for a year between undergrad and grad school. He advised me to apply to SULI and that way we could work together for the next few months. So I did and luckily got accepted, but it seems that before he...
  12. W

    Undefined function 'table' for input arguments of type 'double'.

    Hi! Using Matlab R2012a: typing this example to create a table: t = [0 .3 .8 1.1 1.6 2.3]'; y = [.82 .72 .63 .60 .55 .50]'; B = table(t,y) Getting this error:Undefined function 'table' for input arguments of type 'double'. Don't know what to do.. Edit: another example: >> Age =...
  13. E

    MOSFET amplifier input resistance

    Hi! My task is to calculate input resistance for circuit below: VDD=10V, Vtn=1V, β=1mA/V^2, VA=100V, load resistance RL=20k. Here is model for AC analysis (DC source and infinite capacitances are short circuits, current directions chosen arbitrarily): After calculationg input current iin...
  14. N

    Worm gear system with 2 input motors?

    Hi guys, I have 2 mini motors and a set of worm gear. I would like to know how to build a system that can make use of the torque from both motors at the same time so that I can double the torque without losing speed. thank you
  15. H

    How Do You Calculate the Input Power of a Series RLC Circuit?

    Homework Statement A series RLC circuit contains the following components: R = 250 Ω, L = 0.300 H, C = 3.00 µF, and a source with ΔVmax = 240 V operating at 70.0 Hz. Our goal is to find the phase angle, the power factor, and the power input for this circuit. (g) Find the power input to...
  16. R

    Derive the State Machine from Input Sequence

    Homework Statement This is a 3 state machine with one input variable. The input given for x produces the output sequence for z. The machine starts in state A. I am asked to derive the state table. x=010001010010010011010 A z=001000000001001000001 Homework Equations The Attempt...
  17. M

    Materials that change thermal properties by applying electrical input?

    Do such materials exist? If they do, are there materials that go from very high to very low thermal conductivity depending on electrical input?
  18. E

    Common emitter BJT Amplifier - maximum input voltage

    Here is my circuit: β=100, VCEsaturation=0.2V, VBE=0.7V, λ->0, VT=26mV After completing DC analysis I got these results : IB=18.05μA, IC=1.805mA, IE=1.823mA, VCE=4.658V>VCEsaturation=0.2V, gm=0.06943, rCE=∞ Ω, rpi=1.44kΩ. After completing AC analysis I got Av=-115.7, Ai=72.23, Rin=1.040kΩ...
  19. R

    Engineering Understanding Impedance: How to Find Poles and Zeros of a Network

    Homework Statement I have some trouble understanding the worked examples below: Considering the input impedance of the network below: ##z_{in} = R+ \frac{sL/sC}{sL+(1/sC)}## ##z_{in} = R \left[ \frac{s^2+s/(RC)+1/(LC)}{s^2+1/(LC)} \right]## Where ##s=j\omega##. How did they get from the...
  20. D

    MHB Bounded Output Bounded Input BIBO

    Can some show me how we show a LTI system is BIBO? I read the definition but it didn't help. For example, how would we show if \[ H(s) = \frac{s - 2}{(s + 2)(s + 1)(s - 1)} \] is BIBO stable or unstable?
  21. P

    Power Input for Motor and Back EMF

    Hello everyone, I'm a bit confused about the power drawn by a motor. Since back emf reduces current when the motor is rotating at high speed, is it true that back emf reduces the power required at high speed? THX :D
  22. gfd43tg

    BJT output voltage as function of input voltage

    Homework Statement The circuit below is a BJT common emitter amplifier. Find Vout as a function of Vin. This may seem hard to parse at first, but it is actually pretty straightforward. Carefully replace the BJT symbol with the model for a BJT we used in class, making sure the base (B), emitter...
  23. FOIWATER

    Torque input of synchronous machine

    I am reading from grainger about transient stability. I know this will be a amateur question, but... It says that when a prime mover is turning a synchronous machine, there is a equal and opposite counter torque (electrical counter torque) when the machine rotates at synchronous speed...
  24. A

    Step input to loaded transformer

    I am trying to calculate the response of a loaded ideal transformer to a step input. For example a step input in voltage from zero on the primary coil with a resistor connected across the secondary coil. I already understand that with the second coil disconnected (for all practical purposes not...
  25. Petrus

    MHB Linear Map Input: Solving P'(1-x) | \pi\rangle

    Hello! I have hard to understand this input for this linear map T:P_3(R)->P_2(R) T(p(x))=P'(1-x) so they get this value when they put in which I have hard understanding I don't understand how they get those, I am totally missing something basic...! The only logical explain is that in p'(x)=3x^2...
  26. Petrus

    MHB Understanding Linear Transformations: Exploring Inputs and Outputs

    Hello, this is something basic I have hard to understand and would like to have help!:) this is a exemple from My book and I Dont understand the input! "Let T: P_2->P_2 be the linear transformation defines by T(P(x))=p(2x-1) I Dont understand how this work T(1)=1, T(x)=2x-1, T(x^2)=(2x-1)^2...
  27. Superposed_Cat

    How to detect power input to a USB port for EEG project.

    Hi, so I want to build an EEG and have it send data to my laptop (windows 8). But how would I go about writing a C#(or C++ but I'm more comfortable with C#) program to detect the input (the different frequencies). I was hoping to be able to treat it as a like a music input but I can't seem to...
  28. G

    Sensory Input Entering the Cortex - V4 Layer

    hi, Can someone tell me excatly where the sensory input enter the cortex? Mainly tell me at what cortical layer( I've heard V4)? I am talking about sensory information directly from outside the cortex ( through eyes/ear/etc..) not input from other lobes or areas in grey matter. Any other...
  29. P

    Understanding PWM Inverter Input & Output

    Hi, could someone confirm whether I am right in thinking that for a PWM inverter, the input sine voltage is converted to DC using a bridge rectifier? Does this DC voltage then have a value which is the same as the PEAK value of the sine input? Is the DC voltage then 'chopped' using IGBT's to...
  30. Jalo

    Engineering Find the input resistance of the following MOSFET circuit

    Homework Statement Given the following circuit find the input resistance as seen through vo. Homework Equations The Attempt at a Solution To solve this problem I started by drawing the signal equivalent circuit: As we can see the voltage vgs = vi - vo. To find the input resistance I used...
  31. D

    Finding input impedance with smith chart

    Homework Statement Find an input impedance of a 50 Ω transmission line of length transmission line of length 3λ/8 terminated with a load of 10 Ω. Homework Equations Zl'=(Zl/Zc) Zin(L)=(Zl-jtan(kL))/(1+jZltan(kL)) The Attempt at a Solution I have uploaded my attempt how far off...
  32. N

    Need help in understanding input offset curent of Op-Amp

    This picture is from http://www.ecircuitcenter.com/Circuits/op_ibias/op_ibias.htm I am not very sure if I am getting the right idea of how the IB+ and IB- works, but when i solve it open up one of the IB to solve the problem. for IB+, (IB- is opened) Vout = V-( 1 + R2/R1), ... V- = IB+R3 Vout...
  33. O

    Monostable multivibrator no input, the transistor1 in active mode?

    If T1 is in active mode all the time, will there be any current flow in this circuit? ( I think it is impossible to flow) thanks
  34. F

    Dog damaged neighbors car, want your input.

    Hi PF: So I had an incident with a neighbor about a month ago. The long story short is my dog was on a leash in the back yard, leash was tied to one of those sprial "stakes" that thread into the ground. The dog saw something (neighborhood is full of squirrels), managed to pull the stake out...
  35. zaidtaher

    Solve MCNP Input File for AP1000: Get Help Now

    Hello Every body, I hope all is well. I have a problem with MCNP code for 1/8 AP1000, so please can anybody help me ? Regrads
  36. L

    Simple Lagrangian for constrained motion - please give your input

    Hello fellow PF members I was wondering how one would go about finding the lagrangian of a problem like the following: A particle is constrained to move along the a path defined by y = sin(x). Would you simply do this: x = x y = sin(x) x'^2 = x'^2 y'^2 = x'^2 (cos(x))^2...
  37. P

    Transformer input Voltage question

    Hi, Just to clarify, If a real transformer is being supplied with let's say 100V rms from a generator, and a load is connected to the secondary via a line containing both reactance and resistance, the input voltage at the transformer primary terminals should always be 100V, no matter what is...
  38. H

    Energy Efficiency: Input & Output (Work/Energy)

    Homework Statement In a race, a 54 kg athlete runs from rest to a speed of 11m/s on a flat surface. The athlete's body has an efficiency of 85% during the run. How much input energy did the athlete provide? Homework Equations efficiency = E out/E in x 100% The Attempt at a Solution...
  39. A

    Engineering Circuit responses to a step input

    Homework Statement Calculate RLC circuit responses to a step input? I believe the step input needs to be 10V. Homework Equations Series RLC Characteristic Equation: S2 + S(R/L) + 1/LC = 0 Putting the above equation into standard form: S2 + 2αS + ω02 = 0, it follows that...
  40. Z

    What is meant by the input impedance of a voltage source?

    I am familiar with the concept of the internal resistance of a voltage source, but what is meant by the input impedance?
  41. R

    Confused on Voltage Calculations: Using Nodal Analysis to Find Input to Amp

    I have attachted the question as a picture: my first attempt i calculated the voltage through the auxillary circuit to be 10V but i am confused of where the 0.5 A plays in this part, then i used nodal analysis to find the voltage input to the amplifier but up to that point i am confused of...
  42. O

    Find voltage gain and input resistance for op-amp

    Homework Statement Find the input resistances and voltage gains for those ideal op amps Homework Equations The Attempt at a Solution The original inverting circuit look like this : we already have the equations : input resistance = 10k voltage gain = -r2/r1 = -10 For the...
  43. S

    MHB Dealing with 5 input variable Kmaps

    Just need someone to check my work. Thank you for your time. First time doing a 5 input Kmap. Determine the following 5 input Karnaugh map for function f(V,W,Z,Y,Z) determine the minimal SOP equation. NOTE: (WX are the variables associated with the top column, and YZ are the variables...
  44. M

    Comp Sci Simple input output program C++

    I have a homework assignment that requires me to write a program in c++ to calculate GPA. The assignment wants then input of the grade to be in terms of just A B C, etc.. I'm just having trouble assigning a number value to the user input ie when the user inputs an A for their grade, I need the...
  45. G

    Circuit Problem with diodes and resistors with sine wave input

    Homework Statement Sketch Vo for the network shown (see attachment) and determine the dc voltage available. Homework Equations The Attempt at a Solution Vi is a sine like wave with amplitude of 100 V and goes on for one period. When Vi is positive, the diode on the right goes...
  46. S

    Reversible heat pump - Work input?

    1. An ideal heat engine (HE) is used to drive a reversible heat pump (HP) as shown in figure below. The HE takes in Q1 heat units at T1 and rejects Q2 at T2. The HP abstracts Q4 from the sink at T4 and discharges Q3 at T3. Develop an expression for the ratio Q4/Q1 in terms of...
  47. A

    Engineering Need some input from experienced engineers regarding job opportunity.

    Hi everyone. I am stuck between Electrical Engineer and Software Engineer. I finished automotive program 3 years ago and currently work as auto mechanic. I like my job, but the pay isn't that high so i decided to go back and get a higher degree in engineering. Im currently taking all...
  48. P

    Question about op amp input bias current

    Hello, I have been researching operational amplifiers because I plan on using some in a circuit I wish to build, but have been stuck for awhile on the concept of the maximum current that can be handled by the non-inverting input. It appears as though the input bias current is the current...
  49. F

    I am currently working on my EE degree and I wish to have input

    I am posting this here with hopes that those of you will give me some industry experience! :) When it comes to your EE degree, where has yours taken you? Where did you expect to end up vs where did you actually end up? How do you feel about the communications field? Power electronics...
  50. E

    1st order linear DE with step function input

    hi guys, this is my first post, but I've read many. so my problem is actually for an engineering class, but it's more math/physics related. i took DE last semester and i know how to solve linear eqs but the step function/force is throwing me for a loop. 1. Homework Statement we are given a...
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