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+//=====================================================================================
+//Chapter 14 example 1
+clc;
+clear all;
+
+//variable declaration
+VREF    =10;        //reference voltage in V
+
+
+//calculations
+W1  = VREF/2;           //the second MSB weight in V
+W2 = VREF/4;           //the third MSB weight in V
+W3 = VREF/8            //the fourth (or LSB ) MSB weight in V
+W   = VREF+W1+W2+W3;         //full scale output in V
+r      = W/4;           //resolution in V
+
+//result
+mprintf("the second MSB weight =%3.2d",W1);
+mprintf("\nthe third MSB weight =%3.2d",W2);
+mprintf("\nthe fourth (or LSB ) weight =%3.2d",W3);
+mprintf("\nthe resolution of DAC is equal to the weight of the LSB = %3.2f V",W3);
+mprintf("\nfull scale output = %3.2f V",r);