You can make an AND gate out of NOR gates, but you can't make one out of regular OR gates and nothing else.
pass the inputs through an nand gate and again pass them through inverter,which is again formed by an nand gate
AOI logic stands for AND OR INVERT logic. AND gate in this logic is formed by two PMOS and two NMOS FETs. Its function is to AND two bits.
You would connect the output of the first AND gate to one input of the second AND gate. You are left with 2 inputs on the first AND gate and 1 input on the second AND gate. The final output is from the second AND gate.
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AND gate is A.B If two not gates are added at both inputs of and gate then output becomes A'.B' which is equal to (A+B)' by DeMorgan's law. hence the nor gate is formed Update: Put more simply, invert A and B by attaching A to both inputs of one NOR and attaching B to both inputs of another NOR, then NOR the results of the previous two NOR gates. Total of three NOR gates in a two-level implementation. NAND can obviously be created by inverting the result.
Not necessarily. A not gate may or may not be an or gate, but an or gate must not be a not gate.
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the not gate applied to and gate is nand gate
A nand gate can be made from an and gate by introducing an inverter at the output of the gate.
An OR gate is a digital logic gate. If one or both of the inputs to the gate are "1", then the ouput of the gate will be "1" . If both of the inputs to the gate are "0" then the output of the gate will be "0".
NOT Gate
XNOR gate is called coincidence gate