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There are two forms of the NAND gate. Inverted input: Ouput = not Input1 and not Input2 and not Input3 ...

Inverted output: Output = not (Input1 and Input2 and Input3 ...)

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Q: What is the boolean expression for a NAND gate?
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What is the full form of nand?

This is a term from digital electronis referring to a Negated AND or NOT AND gate. A NAND gate is a logic gate that produces an output which is false only if all its inputs are true. Boolean functions are activated by use of NAND gates.


What is the boolean expression for xnor gate?

(a'b+b'a)'


What about nand gate?

the not gate applied to and gate is nand gate


How can you replace end gate or gate and not gate with a nand gate?

when the two inputs are shorted, a NAND gate acts like a NOT gate. hence AND = NAND + NOT For OR gate, inverse both the inputs before connecting them to a NAND gate. So three NAND gates would be needed.


What is he Boolean expression for 3 input XOR gate?

Out= A'B'C+AB'C'+AC'A'+ABC


How can you make nand gate from and gate?

A nand gate can be made from an and gate by introducing an inverter at the output of the gate.


What is ic no nand gate?

74ls00 is the ic no. Of nand gate


Which logic gate is equivalent to bubbled NAND?

nand gate


The OR gate can be converted to the NAND function by adding----gate to the input of the OR gate?

Next: Boolean Expressions Up: Universality of certain gates Previous: Universality of certain gates ContentsUsing NAND gatesNOTFigure 12.10: Realizing a NOT gate using a NAND gateOR The following statements are called DeMorgan's Theorems and can be easily verified and extended for more than two variables.(12.1)(12.2)(12.3)(12.4)In general: (12.5)Thus :(12.6)Now it is easy to see that , which can be checked from the truth table easily. The resulting realization of OR gate is shown in 12.11Figure 12.11: Realization of OR gate by NAND gatesAND gateFigure 12.12: Realization of AND gate by NAND gatesX-OR gate(12.7)Clearly, this can be implemented using AND, NOT and OR gates, and hence can be implemented using universal gates.Figure 12.13: X-OR gateX-NOR gate(12.8)Again, this can be implemented using AND, NOT and OR gates, and hence can be implemented using universal gates, i.e., NAND or NOR gates.Figure 12.14: X-NOR gateNext: Boolean Expressions Up: Universality of certain gates Previous: Universality of certain gates Contentsynsingh 2007-07-25


How do you write the Boolean expression for XOR gate?

For 2-input EX-OR gate, if one input is A, the other input is B, and the output is Y. Then the Boolean expression for EX-OR (XOR) function (gate) is Y=A⊕B The output Y is true if either input A or if input B is true, but not both.Y= ( (A and NOT B) or (NOT A and B) ) ;


How do you construct other logic gates from nand gate?

NAND gates are universal gates and can be used to construct any of the logic gates (AND, OR, NOT, NOR, XOR, XNOR). The easiest way to figure this out is to use basic Boolean Laws. For instance, to create a NOT gate (A'), tie one of the NAND gate's input to logic high: (A+1)' = A'. To create an AND gate (AxB), use two NANDs in series, with the second one configured as an inverter: (AxB) = ((AxB)')'


How do you design a NOT gate using only NAND gate?

Connect the two inputs of the NAND gate together.