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//example 10.12
clc
clear
//pro= ('Enter the value to whic counter should progress:');
pro =11; // given input
q=1;
aa=pro;
for i=1:4 //converting the given number in to binary
x=modulo(aa,2);
b(q)=x;
aa=aa/2;
aa=floor(aa);
q=q+1;
end
bi=' '; // then printing the NAND gate inputs
for i=1:4
if i==1 & b(i)==1 then
bi=strcat([bi 'Qa']);
elseif i==1 & b(i)== 0 ;
bi=strcat([bi 'Qa''']);
end
if i==2 & b(i)==1 then
bi=strcat([bi 'Qb']);
elseif i==2 & b(i)== 0 ;
bi=strcat([bi 'Qb''']);
end
if i==3 & b(i)==1 then
bi=strcat([bi 'Qc']);
elseif i==3 & b(i)== 0 ;
bi=strcat([bi 'Qc''']);
end
if i==4 & b(i)==1 then
bi=strcat([bi 'Qd']);
elseif i==4 & b(i)== 0 ;
bi=strcat([bi 'Qd''']);
end
end
disp('The NAND gate inputs must be :');
disp(bi)
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