Input Definition and 586 Threads

How To Implement This Functions With 2 Input NAND without using any gates as inverter ?? A=WX’Y’+W’X+W’Y B=WX’Y’+WX’Z’ C=W’X+WX’Y’ E=Y’Z+W’Z+WX’Y F=WX’+W’XY+WY’Z D=WX’+W’XY+WY’Z G=W’X+WX’Y’+WY’Z H=WX’Z’+WY’Z J=WY’+W’X+W’Y see the attachment , the question in part e there are...

I would appreciate any help, opinions or explanations on this as I am receiveing many different views currently. I measure the discharge voltage of a single power supply (laptop ac charger) using a digital chart recorder. On a trial and error basis I achieve the data as close as possible to...

Homework Statement http://s3.amazonaws.com/answer-board-image/ad36bcba0e2d0b49d556f054de19d124.jpg Variable y(t) is the position of the block of mass m, and u(t) is the position of the plate on the right. The spring is unstretched when y = u. We can think of u(t) as the input and y(t) as...

I am trying to solve a little problem that I have. I need to create a simple win32 console app that displays a multiple option menu on a x second loop. That part is easy. Where I am getting stuck is this: While the app is looping outputting the menu, it also needs to be able to check for a...

hi.. i need to ask something related to c programming.. (and i don't know if this is the right place to put up this question.. so please redirect me if necessary!) i've read that using fflush(stdin) in C (to flush the input stream) is not a defined way to use fflush.. but, i continue to see...

Guys I know how to solve the simple ones but this one has complex roots I have to find the zero input response (D-1)(D2+1)y(t)=(D2+2)f(t) y(0)=4 y'(0)=3 y''(0)=3 D2= D square. Y' = first derivative Y''= secondI know the roots are +1, j and -j But I don't know how to solve or...

Homework Statement 1- write an algorithm to find out whether an input is a prime number or not. 2-write aa program to compute square root by Newton method 3-write an algorithm to show an input is perfect or not. 4- Homework Equations The Attempt at a Solution

Homework Statement Consider the function f(w1,w2,w3,w4) = SUM( m(0, 1, 3, 6, 8, 9, 14, 15)). Derive an implementation using the minimum possible number of three-input LUTs. Homework Equations Where SUM(m(0, 1, 3, 6, 8, 9, 14, 15)) is the sum of the min terms, a Sum of Products that...

Just a little input... Not sure why my very first question has not received any input? I was hoping on a little insight. Maybe the question is just absurd, and no one wanted to waist their time. Or no one could understand it? Who knows... Amateurs anyway! (thats me)

Hi, I need to get a precise linear oscillatory motion from a rotary input? Its for a compact carving tool. Any ideas on how to control the displacement? Thnks

Homework Statement I am given a block diagram (attached below) with 2 inputs (one being disturbance) and I need to find the closed-loop transfer function. I can get the closed-loop transfer function just fine for a normal 1 input system, but I have yet come across one with 2 inputs. I need the...

Hi, I am working on a project and my friend said to me the gas turbine shaft power is 'x' amount of power. It is directly coupled to a generator so the power to the generator is the same 'x' amount of power. How does that shaft power relate to the output of the generator? The shaft spins...

Homework Statement The question extends more than this but this is where I have difficulty. An uneven road surface is modeled by a sinusoid with amplitude 25mm and the car is driven at 100km/hr. Use the bode plot calculate earlier to obtain and explain the steady state force response when...

Hi. I need to write a fortran program that calls an EXE, call it "runner.exe" that in turn runs an input file, call it "run.inp". Thing is, I would normally run "runner.exe" manually, and type in "run.inp" and "runner.exe" gives outputs. But now, I have 100's of input files and I can't affod...

What physical processes input information into and extract information out of a quantum computer? What I really want to know is: How do you get a qubit or quantum dot to take on a particular state and cause its' entangled partner to choose a state? Thank you!

is it possible to connect 2x 7447 IC's and 2x 7 segment and input binary 0-15?

Hi Just have a quick question, for audio input (AUX) into speakers would it be possible to make a powerless radio receiver plug in, or would it require power? Thanks

Replacing a Ni-Mh battery to AC input? Hello, I have a cordless drill which use a 14.4v Mi-MH batter source. The battery does not work anymore. It will costs me $150. Here is my question. Is it possible to replace the power source from the battery to AC adaptor. I mean as a DIY. I have done...

If I have a designed gear box that needs a motor to run , and according to my calculations the input power for the gear box must be 10 Kw at 10 r.p.s must I chose a motor with the same input specifications ? when I buy a motorwith certain specifications like : 10 kw 3000 R.P.M , does these...

Hi, I need to get 3 mircophone input into my computer so I can do some signal processing (using matlab) as close to real-tme as possible. I was wondering if anyone had any idea how to do this. I was thinking of using usb mircophones but I don't know how to get it to read 3 microphone...

Homework Statement I am going to do some paraphrasing here, because the question is for automotive dynamics class, but is a pretty general question in its simplest form (1 degree of freedom): Find the time response to a step input of y=10cm. This is for a vertically oriented...

Hihi, I put a photodiode's legs to both the input for a differential amplifier http://en.wikipedia.org/wiki/File:Op..._Amplifier.svg Then, the voltage difference of the photodiode is amplified and its output is then connected to a resistor which is not shown in the above picture. The...

format statement to read input in fortran hello everyone, I've to read this following line in fortran, I don't know to read the exponential form please help me 3.49E+03 2.73E+01 2.01E-01 9.16E-02 5.94E-02 5.11E-02 3.27E+04 3.27E+04 can somebody help me to write the format...

I'm trying to create a function that will calculate any amount of resistors in parallel but I do not know how to allow an undetermined amount of arguements for input (rather than a fixed amount). Basically it would look like this pll(R1,R2,R3,Rn) where Rn would be anything from R2 to R1000 or...

Homework Statement The question is about the concept of the operational amplifier in electronics. For an ideal op. amp., it is said that the input impedance is infiinite and the current allowed by the op.amp. through its input terminal zero or in the case of a practical op.amp., it is...

Hello All, I have been doing a few basic experiments with coils lately and I am trying to figure out the simplest way to drive a coil at its natural resonant frequency so that I can get the Q as high as possible. My only problem is that I don't have a sine wave generator that I can use. I...

Homework Statement Insulated piston-cylinder device contains 5L of saturated liquid water at constant pressure of 175kPa. Water is stirred by a paddle wheel. A current of 8A flows for 45 minutes through a resistor in the water. If 1/2 of the liquid is evaporated during the constant...

I am trying to create a program that would register it in a variable, when loudness of the microphone input signal exceeds some level for some amount of time. IS there a VB6 command that can allow me to measure the loudness of the input sound signal? Not on the sound card input. I have a...

hello everyone, as a theoretical PhD student I came up (I'm sure I'm not the first ;) ) with an idea. Many times for our work we spend a lot of time just rearranging or making substitutions in quite long equations (I think about the Virasoro algebra in this very moment :D ), something that...

Hi all, I am working on finding a programmable regulator circuit that can produce 0-12 volts for a power amplifier. It needs to be linear, with a DC input and control voltage so that a PC can be used to generate an input profile.

hi! I've started making my own games in Borland C++ 5.0 I want to learn how to detect the user's input of arrow keys (for eg. when a user presses UP,DOWN ,RIGHT or LEFT) Can somebody please post a short tutorial on detecting arrow keys? Thank You Ephysics PS- Is this correct ? int c =...

Homework Statement A wheel with rotational inertia I is mounted on a fixed motionless axle. The singular speed w of the wheel is increased from 0 to Wf in a time interval T. Net torque=IWf/T What is the average power input to the wheel during this time interval? Homework Equations...

Hi, I have seen the solution to the diffusion equation written as C=(N/sqrt(4PiDt))exp(-x^2/4Dt). Hoever, as I understand it, this is for an instant input of N material. I want to express the concentration of substance at a point x away from the source for an arbitrary input signal. Is there...

hi I have a guitar hero world tour drum and it is only powered by 2 AAA batteries. Basically, I want to connect it to the wall by connecting a AC to DC adapter (110 to 3V) and connect a DC input to the red/black wire that was on the battery compartment. Is it possible to do that ? I will...

I am in a C++ class, programming a command line utility, and I can't figure out how to open and read from an input file in xcode. any help?

okay so input force is the amount of force that is put in right? so you can find that by using the formula force = mass x accleration... but then what is input work? work is the result of force... but then wouldn't that be output work? i don't understand teh concept of input work... what is...

Hi Can someone help me on how i can calculate the input common mode range for this pmos diff pair. I'd have an idea if it was an NMOS diff pair but am kinda uncertain of this. I'm looking for equations for the input signal ranges of Vmax and Vmin Thanks

"invalid number: incomprehensible list input" ERROR Hello, I'm beginning to code in FORTRAN 77 so be patient please. I'm trying to read a plain text file (*.txt) which has 6000+ rows and 56 columns, this is the code I've been written so far: program segmente implicit real*8...

Hi, I am writing a program where I have the user input the name of two previously created vectors, the computer subtracts them and then generates a variable in the workspace. I was wondering if there was a way to let the user pick this name. I have so far (Y and N have been previously defined...

Hello Can someone help me with this? I've been struggling with it for some time and haven't found a solution yet. Let's say we have the circuit in the attachment. There is a number of inputs (4 in our case) and an equal number of outputs. The problem is: if at least one input is HIGH...

Alright, so my current class assignment is to create a program that will read several accounts, whether or not its a savings, the amount in the acocunt, then make calculations for interest and fines based on that info. The setup for the input file is like this: account checking/savings amount...

Certain questions involve finding input resistance for circuits (e.g. inverting or non-inverting configuration). I know ideally the op-amp has infinite input resistance but i don't know how i would be able to calculate the input resistance for non-ideal circuits? Thank You.

ATI Radeon 2900 XT "No input detected" My ATI Radeon 2900 XT 1GB will not send input to the monitor on booting the computer, but this was not always the case. The first sign of trouble came about a month ago when I was playing Left 4 Dead, the input to the screen went off as the map was...

Can anyone tell me how to calculate the common-mode input range of an instrumentation amplifier with all op-amps biased from +15V to -15V assuming all op-amps can swing rail to rail. Thanks.

Homework Statement An ideal diatomic gas, in a cylinder with a moveable piston undergoes the rectangular cyclic process shown below. Assume that the temperature is always such that the translational and rotational degrees of freedom are active but the vibrational modes are "frozen out". Also...

Homework Statement An experiment to monitor the sound level in a room is to be conducted using a microphone. The microphone (output impedance = 1 kO) produces a maximum amplitude of 5 mV when connected to an oscilloscope (input impedance = 1 MO). If RI = 1 kO what amplitude will the...

Hi, This is gokul, am basically from biology back ground. Now am learning C language myself. I want to do a program that prints file on the screen given file name as input using FILE. Can anyone help me..

Hi All I am wondering does anyone know the voltage limits of standard mux such as 74151A. I aim to place diferent voltage levels into the mux and select one input as the output that will go to an ADC. The voltages will be of increasing values i.e 4V, 8V, 12V 16V etc. Is 16 Volts too much to...

Hi, I have a question about the FFT. I'm starting to learn the concepts behind it, but I'm struggling at this one particular thing... Ok, let's say you have this diagram. http://www.ece.uvic.ca/499/2004a/group05/image/radix2.jpg Can someone explain to me exactly what "N-point" means? Also...

Hi I have a question regarding an ACTUAL Differential Pulse Code Modulation system setup. The prediction algorithm is predicated upon the assumption that an input to it is a correlated signal, and the objective therefore is to reduce redundant information when it is sampled at rates higher...