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You are the project manager on a development project working on a new line of laptop computers. The project has been broken down into the following modules:
Power supply Processor and motherboard with RAM I/O circuit board CD-ROM drive Floppy drive LCD display Keypad Enclosure and all mechanical parts Final assembly
The total manufacturing cost goal for the project is $500. Develop an initial cost budget for the project that will meet the target manufacturing cost. Use your best estimates of how to divide the amount of the project goal. Does the $500 goal seem reasonable? Would a $250 goal be reasonable?
The measurement of a current is repeated five times. The measured values are: 0.62, 6.21. 6.23, 6.18 and 6.24 mA. a. What type or types of errors might be involved: mistakes, systematic errors, random errors
In a typical mobile communications base station (or cell site), a radio frequency (RF) signal is amplified in the base station and then sent (over cable) to the antennas at the top of the tower.
Design the combinational logic circuit for an elevator controller such that the option to go up or down by only one floor is disabled. Assume that the building the elevator is in has 4 floors. Your inputs are the current floor and the next request..
Let x[n], y[n] and w[n] denote three finite-lenght sequences of lenghts N, M, and L, respectively with the first sample of each sequence occuring at n=0. What is the lenght of the sequence x[n] * y[n] * w[n]
A Y-connected load has an impedance of 25+j12 ohms in each phase. It is desired to raise the load power factor to .95 lagging. (a) What size capacitor should be placed in parallel with each phase impedance if frequence = 60 Hz
Compute the inverse Fourier transform for X(ω) = cos 4ω. 5. A signal with the highest frequency component at 10 kHz is to be sampled. To reconstruct the signal, the sampling must be done at a minimum frequency of?
A composite has a cross-sectional area of 320 mm2 and is subjected to a longitudinal load of 44,500 N. The continuous and aligned fiber-reinforced composite is to be produced consisting of 30 vol% aramid fibers and 70 vol% polycarbonate matrix.
Design an active low pass filter with a cutoff of 10kHz or more by more than 30db and have the pass band gain positive that does not deviate from 20db by more than 3 db. The pass band frequncy need is 800Hz and below.
In the difference equation below K is a real number greater than 0. y[n) = x[n] + Ky[n] A) (2pt)Find the range of values of K that makes the impulse response grow without bound. B)
The power amplifier for a car stereo amplifier has a rated output power of 750 watts when operating at room temperature. Assuming a Class B amplifier with the maximum theoretical efficiency is used,
The instantaneous power p into a one port containing resistors and inductors has maximum value 100(1+sqrt2) W and minimum value 100(1-sqrt2)W. (note that instantaneous power is measured in W, and it contains various contributions
In a balanced three-phase wye-wye system, the load impedance is 4 + j3 . The source has phase sequence abc and Van = 120
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