expression for an AND gate?</li><li>What is the Boolean expression for a NOR gate?</li><li>What is the Boolean expression for a NAND gate?</li><li>What is the Boolean expression for a XOR gate?</li><li>What is the Boolean expression for a NOT gate?</li></ol>
as the XOR and XNOR?</span></li><li><span style=”color:rgb(45,59,69);”>What function do these gates perform? </span></li><li><span style=”color:rgb(45,59,69);”>What is the difference between fixed and programmable logic? </span></li><li><span style=”color:rgb(45,59,69);”>Why use one over the other?</span></li></ol>
XOR gate.</li><li>Until about 20 years ago, fixed logic gates were used to build a digital circuit. For a typical circuit, 20-30 ICs were used. Now we have programmable logic devices that can represent thousands of logic gates, all packed into a single package, for less than $10. So, why would we want to use the fixed logic gates?</li></ol>
X = A ⊕ B
The XOR can also be expressed as X = AB’ +
A’B.
How do you prove that the second expression indeed defines XOR operation?
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