填空题

A—menu B—password
C—account D—full screen
E—update F—operation system
G—save as H—read only memo~
I—code J—buffering
K—double click L—exit
M—vims N—file
O—cfeate a new folder P—clear
Q—register R—page setup
S—host T—image
( )退出 ( )操作系统