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+//ANALOG AND DIGITAL COMMUNICATION
+//BY Dr.SANJAY SHARMA
+//CHAPTER 11
+//Information Theory
+clear all;
+clc;
+printf("EXAMPLE 11.12(PAGENO 495)");
+//given
+n = 2*10^6//elements od black and white TV picture
+m = 16//brightness levels of black and white TV picture
+o = 32//repeated rate of pictures per second 
+
+//calculations
+Px_i = 1/m//probability of  brightness levels of picture
+H_X = 0;
+for  i= 1:16
+       H_Xi = (-1/(1/Px_i))*log2(1/(1/Px_i));
+       H_X = H_X +H_Xi;
+end
+ r = n*o//rate of symbols generated 
+ R = r*H_X//average rate of information convyed 
+ 
+ //results
+printf("\n\ni. Average rate of information convyed = %.2f bits/seconds",R)