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for the new system I am implementing on the because of the holistic approach that uses hardware and software techniques developed by  the inventor of Forth and he calls this Forth. The hardware platform, F21, is an unusual microprocessor that uses a hardware architecture based on the Forth virtual machine. It is a Forth machine in silicon that simplifies and matches very well to the Forth software methods developed by its inventor. The hardware design goals were to create a chip with a thousand times fewer transistors, lower power consumption, and production cost than other microprocessors in the 500 Mhz or higher performance range. It is suitable for low cost low power embedded applications from toys to high end aerospace applications. It is optimized for the execution of Forth code, logic, expert systems, real-time, distributed, and AI applications. It is also a highly integrated device combining a CPU, memory interface coprocessor, high speed analog I/O coprocessor, video I/O coprocessor, high speed serial/network coprocessor and router, real time clock, interrupt controller, 10 gigahertz timer, and parallel port on a tiny piece of silicon. Other factors that influence the design of the software are that F21 is word addressing machine with a 20 bit data bus and a 21 bit address bus. The hardware has been optimized for small size, cost, and power consumption, simplicity and speed. It is also known as a Minimal Instruction Set Computer.

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