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A binary-to-seven-segment decoder takes 4 bits of input and produces seven outputs, one for each "segment" in a standard display:
Given the appropriate binary input, this display produces outputs that light up the display in the following manner
We are interested in the circuit that produces the signal for the segment numbered 3 (a 1 turns a segment on; a 0 turns it off):
A. Construct a Karnaugh map for segment 3.
B. Write a minimal sum-of-products expression for segment 3 in terrns of the inputs a0, a1, a2, and a3.
C. Draw a circuit that implements this expression using AND and OR gates and inverters.
D. Does your circuit contain hazards? If so, indicate the transitions on which these hazards occur on the Karnaugh map of part A.
Assume that the energy contained in coal is about 10,000 Btu/lbm. An electrical power plant burning coal has an output capacity of 1200 MW and the plant converts about 30% of the input energy to electricity.
You need to park a car under it so there can be no supports in the middle. Attached to the wall on one side and steel post on the other.
A new disinfection process destroys coliform organisms in water using completely mixed flow reactor. the reaction is first order with k=1.0 per day. The influent concentration is 100 coli/ml. The reactor volume is 400L, and the flow rate (Q) is 1,600..
The experienced ferry captain wishes to minimize the effects of the wind on the passengers who are on the outdoor decks. At what speed vB should he proceed?
1-The minimum size of a ceiling joists is _______________? 2- Which of the following is not required on truss drawing ?
As a further exercise, try to find values of t for your approximation that keeps the error (i.e., the difference between the approximation and the real function v(t) ) less than 0.1.Hint: to help with this, ask yourself this question: where would mor..
a mountain water reservoir in a national park is to provide water at a flow rate of Q= 200 gpm and a minimum pressure of 40 psig in the lodge of the valley 200 ft below the reservoir.
Interpret and discuss these plots with respect to the effects of fluctuating groundwater levels.
Compare the total reactor volume required for 90% removal of a substance that decays according to first-order kinetics with a rate constant of 0.05 day-1 in a Complete mixed system that contains a single reactor against a system that contains three C..
A 58.3 degree inclined plan has a spring with spring constant 23,400 N/m attached at the bottom.A 1.2 kg block is placed on the plane and compresses the spring a distance of 2.4 cm from equilibrium.
Calculate the force (in Kn) a punch press must exert if it is to punch out a large washer from a strip of 5-mm thick sheet steel with an ultimate shear strength of 400 MPa.
Compare P with the minimum gripping force Ps required to hold the sphere in static equilibrium in the 30° position.
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