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Video Tutorial 1: Overview of the Fetch operation of a fully functional simple digital computer, the "SIMCO".

Video Tutorial 2 (first half): Tracing the operation of the "simco" digital computer, logic gate by logic gate, as it follows a computer program to sound an alarm when a window is open.

Video Tutorial 2 (second half): Tracing the operation of the "simco" digital computer, logic gate by logic gate, as it follows a computer program to sound an alarm when a window is open.

Video Tutorial 2 (End of Part 2): Tracing the operation of the "simco" digital computer, logic gate by logic gate, as it follows a computer program to sound an alarm when a window is open.

Articles
Programming the SIMCO in Assembly Language

What Is A Computer? Computer Programming, The Purpose of All Computers

Building Simple Machines That Make Decisions

Getting Started Using Programmable Logic Devices


Build and program a simple digital computer - About

The Simple Digital Computer Company™ is a Mind of Christ Ministries™ company
There is widespread belief that a brain is a sort of biological computer, and that “computational processes” running in the brain are what ultimately give rise to consciousness or mind. The SIMCO (short for “SIMple COmputer) project challenges this belief by showing how computers work right down to their most basic level…the switch. Just as in biology the simplest unit of life is thought to be the cell, in both neuroscience and in the fields of computer engineering and artificial intelligence the simplest unit of thought is believed to be the switch. In neuroscience, these switches are themselves cells called neurons. In computer engineering and AI, these switches are called logic gates. By getting the user’s “hands dirty” and showing how both logic gates and neurons actually function, and how they function when connected together in networks to form both computers and brains, it becomes intuitively obvious that mind is nowhere to be found in the inner workings of a brain or any other sort of physical or computational process.

The SIMCO kit consists of a large 28" x 22" laminated map of the digital logic circuits comprising the SIMCO computer. Users can then use dry erase markers to “write” simple computer programs as “1’s and 0’s” onto the SIMCO’s computer memory, and trace the operation of the computer, logic gate by logic gate, easily writing and erasing 1’s and 0’s as the logic gates “change state”. The SIMCO is perhaps one of the simplest programmable digital computers you can build. It contains 8 programming instructions, including the all important ability to conditionally jump to new locations in memory (An "IF - THEN" instruction).

The astonishing fact about ALL modern day digital computers is that they are entirely built from 8 simple machines called logic gates. These gates are connected together like legos to create a computer or any other digital device. Perhaps an even more astonishing fact is that understanding how a logic gate works is probably even simpler than understanding arithmetic...if you know how to add and subtract, then you can learn how to design, build, and program your own simple digital computer.

Enjoy, and please send an email if you have any questions or comments to NoSpam AT SimpleDigitalComputer DOT COM (replace NoSpam with Chris)



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