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A source has five equally likely output messages. Determine a Shannon-Fano code for the source, and determine the efficiency of the resulting code. Repeat for the Huffman code, and compare the results.
A multiply/add unit takes inthree k-bit 2's complement signed numbers, x, y, and z, and produces the 2k-bitresult x y + z. Either prove that overow can occur, or that overow cannot occur during this operation.
How to find The value of Burnt Resistor ( By three handy Methods ) ?
What characteristics of CMOS devices make them a desirable digital logic technology to use in portable electronic devices, such as MP3players What device properties influence the operating speed and utility in portable electronic devices
A DC motor, fed trough a four-quadrant chopper, works as a motor in thethird quadrant (reverse motion). The main data are Vo =120V, Ra = 0.5-ohm, La = 2.5mH, rated currentIan = 20A; rated speed nn = 3000rpm; separate excitation.
Two dc motors are compared. the first one is a 4hp dc motor which draws a current or 0.7A when the field is connected to a 150V source. the second, a 600 hp motor draws a field current of 5A when the field is connected to a 300V dc source.
Are these results from a sample survey or an experiment? Why?
A network connected between terminals a and b consists of two parallel combinations that are in series. The first parallel combination is composed of a 10-phm resistor and a 15-ohm resistor. The second parallel combination is composed.
Compute the first 10 samples of the step response for the nonrecursive difference equation: y(n) = x(n) -0.5x[n-1]-0.7x[n-2] Indentify which of the following filters are recursive and which are nonrecursive.
Two systems of tariff are available for a factory working 8 hours a day for 300 working days in a year. - Calculate the difference in the annual costs between the two systems.-
design and build a rectifier circuit and use its result toturn on led( Use 60 Hz, 0.5 to 2 volts peak as a source, setupamplification circuit if needed to turn on led. use transistor todrive led., and also write concluson and explain the analysis.
Describe how to measure Rin of a amplifier in the lab at a signal frequency of 500kHz with only an oscilloscope as a test instrument. A DMM may not be used.
Sketch the energy band diagram for an n-p-n transistor in equilibrium.- Sketch the energy band diagram for n-p-n BJT in forward active mode.
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