In the class room (2)

Do you have a ruler ? Yes, I do / No, I don't.

(3ème personne qui n'est pas la personne à qui l'on parle) Does he have a desk ? Ye he does. / No, he doesn't.

(3ème personne qui n'est pas la personne à qui l'on parle) Does she have a desk ? Ye she does. / No, she doesn't.

Do you have a computer ? Yes, I do / No, I don't.
Does he have a computer? Ye he does. / No, he doesn't.
Does she have a computer ? Ye she does. / No, she doesn't.