A computer or microchip comprising a central controller that connected by a secure control bus with the other parts of the computer or microchip, including a volatile random access memory located in a portion of the computer or microchip that is connected to a network. Preferably, a curve vector data replacer 71 of the subdivisional drawer 7, for each of the drawing subregions, replaces curve vector data outside of the drawing subregion from vector data configuring a figure to be subdivisionally drawn with straight-line vector data and performs a fill processing. An engagement portion extends away from the distal surface of the plate substantially along the first tibial axis. at a selected cooling rate of at least 0. The head receives liquid through a re-sealable inset screw cap filler port. A first test procedure is performed on a set of second IC’s using the first tester, simultaneously while a second test procedure is performed on a first set of IC’s using the second tester.