An electrical assembly is disclosed that provides evidence of tampering. When a PDF file containing 3-D object data is sent to a printer, without using an application or print driver, the controller of a printer generates and prints a plurality of views of the 3-D object based on pre-defined viewing angle settings. The shifted term, the first partial result and the second partial result are added together to obtain a result of the binary operation. Insulated floating gates are disposed on a pair of sidewalls parallel with the direction that crosses the active region.