1. A system, comprising: at least one personal computer, said at least one personal computer configured to operate with at least one other computer connected to at least one network of computers; said at least one personal computer including at least one microchip having at least one microprocessor with at least one control unit and at least two processing units, said at least one control unit configured to allow at least one user of said at least one personal computer to control said at least two processing units, and said at least one microchip including at least one power management component; said at least one personal computer including at least one internal firewall, said at least one internal firewall configured to allow and/or deny access to portions of said at least one microchip both to said at least one user of said at least one personal computer and to at least one user of said at least one microchip from said at least one network of computers during at least one shared use of said at least one microchip; and said at least one internal firewall being configured to deny access to portions of said at least one microchip from said at least one network of computers.