font size change


New Member
can one explain what different occurs between the followings ;
screen resolution 150%
144 dpi = =====150%
zoom ========150%
text size largest
more to the point ,after one of the setting for 150 % already done
what space get filled up by the next setting of again 150 % ?
can one substitute the other ,???
can I increase the size of user icons on top left in screen ,file edit favorites tools help ??
which is much smaller in window 7 ultimate then in widow 7 premium :

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