Which of the following systems is (i) linear and (ii) time-invariant? (a) y[n] = nx[n] (b) y[n] = x[n]+1 (c) y[n]+2y[n 1] = 3x[n] + nx[n-1] (d) y[n]+2y[n 1] = 2x[n] + 4x[n-1] -

5. Solve for all possible values of the real numbers x and y in the following equation: x+iy+2+3i = i + 2. 2x+2iy-3 Hint: Convert this to a multiplication problem and match the real and imaginary parts.

Write the difference equation of the following system. x[n] D Dk D y[n]

O None of the above QUESTION 9 Let x [n] =u[n]*u[n].Which of the following is true ? (x[n]} is a bounded sequence For each 7, x[n]is a finite number, but the sequence (x[n]] is not bounded X[n]is infinite for some time indices n but not all of them x[n]is infinite for all 1 OUESTION 10

Please help with this four part question, (parts a,b,c,& d)

(a) (b) Reduce each of the following state tables to a minimum number of states. Present Next State Output State XY=00 XY=01 XY= 10 Z A A C D 0 D E A 0 E A B 1 B C B 0 с D A 1 F B Present Next State X=0 X = 1 State A B с E D G D E F H H G A BODEL Ε F CBCDEFGHI в с Ε Н XY=11 E E F C F A BGB I I A D Output Z X = 0 X = 1 1 0 1 0 1 1 1 1 0 0 0 1 0 0 1 1 1 1 1

Prove the identity of each of the following Boolean equations using algebraic manipulation: (a) XY+YZ+XZ+XY+YZ=XY+XZ+YZ (b) WY + WYŻ+WXZ+WXY = WY+WXZ+XYZ + XYZ (c) AD + ĀB + CD + BC = (A + B + C + D)(A+B+C + D)

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Homework Help

Please help for parts a,b,c in this review