If the forcing function F(t) is given as = F(t) 10 sin(27nt) 7=0 Then, to avoid aliasing phenomenon, the minimum number of sample data points Nmin should be O a. 32 e b. 8 O c. 16 e d. 24 Question 2 In IIR digital filter the present output depends on Not yet answered O a. Present and previous Inputs only Marked out of 1.00 O b. Present input only Flag question O c. Present input and previous outputs only O d. Present Input, Previous input and output Question 3 Not yet answered To implement the linear time invariant recursive system described by the difference equation Marked out of 1.00 M Flag question y[n] = Vayn - k+ b, x[n k] k=1 how many number of delay elements and multipliers are required respectively? O a. None of the mentioned O b. M+N-1, M+N C. M+N, M+N+1 d. M+N+1, M+N Question 4 What is the inverse z-transform of X(z)=1/(1-1.5z-1 +0.52-2) if ROC is Izl>1? Not yet answered O a. None of the mentioned Marked out of O b. {1/2,3/4,7/8,15/16,31/32,....) Flag question O c. {1,2/3,4/7,8/15,16/31,....) O d. {1,3/2,7/4,15/8,31/16,...}