{HEAD ~ A resolution} of the screen to be displayed thereon is firstly decided, and a screen mode suitable to {TAIL ~ the screen resolution} is set 
{ HEAD ~ A resolution } of the screen to be displayed thereon is firstly decided , and a screen mode suitable to { TAIL ~ the screen resolution } is set
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH