1. In a computer system having a user interface including a touch-sensitive display screen, a method providing for entry of a password, said method comprising: a) determining that said password is required; b) in response to step a), displaying a keyboard graphic on said touch-sensitive display screen, wherein said keyboard graphic includes a first plurality of spaces, wherein each space in said first plurality of spaces is defined by surrounding lines within said keyboard graphic, and wherein each space in said first plurality of spaces includes a symbol representing an alphanumeric character within said keyboard graphic; and c) in response to step a), converting output signals from said touch-sensitive display screen caused by touching said touch-sensitive display screen within a space in said first plurality of spaces to produce a code representing said alphanumeric character represented by said symbol included within said space.