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//Example 1.15: add -5 to 7, -5 and +5 , -5 and +3
clc//clears the console
clear //clears all existing variables
//****************************************************************************
x=bitcmp(5,4) //finds complement of 5
y=1;
u=x+y //1 is added to the complement
v=7;
w=u+v
a=dec2bin(w) //binary conversion of the decimal number
disp(' binary form of the number obtained by adding 7 to -5 ')
disp(a) //result is displayed
disp(' the msb is discarded,so four bit representation in binary form =')
a=dec2bin(w-(2^4),4)
disp(a) //final result is displayed.
disp('*****************************************************************')
//****************************************************************************
x=bitcmp(5,4) //finds complement of 5
y=1;
u=x+y //1 is added to the complement
v=5;
w=u+v
a=dec2bin(w) //binary conversion of the decimal number
disp(' binary form of the number obtained by adding +5 to -5 ')
disp(a) //result is displayed
disp(' the msb is discarded,so four bit representation in binary form =')
a=dec2bin(w-(2^4),4)
disp(a) //final result is displayed.
disp('*****************************************************************')
//****************************************************************************
x=bitcmp(5,4) //finds complement of 5
y=1;
u=x+y //1 is added to the complement
v=3;
w=u+v
a=dec2bin(w,5) //binary conversion of the decimal number
disp(' binary form of the number obtained by adding +3 to -5 ')
disp(a) //result is displayed
disp(' the msb is discarded,so four bit representation in binary form =')
a=dec2bin(w,4)
disp(a) //final result is displayed.
disp('*****************************************************************')
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