A personal computer, comprising a microchip, the microchip comprising at least four microprocessors, exclusive of any digital signal processors (DSPs); a non-volatile memory component; a power management component; a internal firewall with a hardware component, the internal firewall being configured to allow and/or deny access to portions of the microchip both to a user of the personal computer and to a user of the microchip from a network of computers during a shared use of the microchip, and the internal firewall being configured to deny access to portions of the microchip from the network; and a wireless network connection mechanism configured to connect the personal computer to the network, the network comprising the Internet.