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प्रश्न
Draw the logic gate diagram for 2-input OR gate using NAND gates only. Show the expression at each Step.
संक्षेप में उत्तर
उत्तर
2-input OR gate using NAND gate:
Working:
`Q = bar(barA.barB)`
`= (barA)' + (barB)'` ...(By De Morgan's Law)
= A + B ...(By Involution Rule)
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Elementary Logic Gates (NOT, AND, OR, NAND, NOR, XOR, XNOR) and Their Use in Circuits
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