B4 Tutorial 14: How does a Computer add ... actually?

August 28, 2017

In this tutorial, we explore how a computer adds numbers. We start by taking a look inside the adder, which we have re-constructed using relays. These are electromechanical switches.  We explore how the switches form logical components and how they are interconnected to form an adder. Because relays are slow and make clicking sounds, we can both see and hear our adder computing. Enjoy! 




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