Shekhupur ElecTronics Terminator

AND GateAs an AND bit requires a minimum of 2 inputs, two relays will be needed. The figure is shown below.AND GATE ImplementationFrom the figure it is clear that if 6 volts it applied to both A and B, youget the output Q=6 volts. For any other combination of A and B, the output will be 0 volts. The same circuit can be changed into an OR Gate by hooking two wires for A and B together. You can also use two relays in parallel.You can also make the circuit fancier by reading the outputs on bulbs. That is, when a HIGH state occurs, LIGHT = ON. When a LOW state occurs, LIGHT = OFF.Thus the three basic Gates NOT, AND and OR can be implemented easily.With the help of the basics above you can easily implement 8-bit ripple carry adders and so on. All these basics are also the basics for the working of computers.

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