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NAND AND NOR gates are called universal gates , becaus with a combination NAND and NOR gates alone, it's possible to create all other logic gates like AND, OR, XOR etc and you can design any logic circuit. eg: inverter-- nand with inputs shorted.

and ------ nand followed by a inverter(using nand).

or--------- giving inverted inputs to nand gate.

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actually any digital circuit can be designed by using only any one type of gates either nand or nor that's why they are called as universal gate. even basic logic gates AND ,OR,NOT can also be designed using them.now choosing one of two (nor n nand) depends on if logic expression is of sop type or pos type. by-ramendra

for more info contact ramendraawasthi@ymail.com

They are called universal gates because all of the other gates may be constructed using only those two gates. That is important because it's a lot cheaper in practice to make lots of similar things than a bunch of different things (different gates). Simple, huh? - By MANOJ GUJARIIt's easy and cheaper to design NAND or NOR gate using CMOS (4 transistors).

They r called universal gates as they can be used 2 design all other logic circuit elements like XOR,NOR,etc. also these gates can be realized through easy combination of diodes thus making them easy 2 use base elements in any chip designing project.

Nand, Nor, And, and Or gates are the most commonly used logic circuits.

We also have XAnd, Xor and Inverting gates.

Most electronic components producers make variations of these gates but their functionality are the same. In other words universal.

These gates make up the basic foundation in all computers, large or small, fast or slow. They have found their uses in the millions.

Some circuits are designed for high current. Others for very very low current. Some can be used with high voltage (16 volts). others can be used with voltages as low as 1.2 volt.

Implemention of Chip (when considering power and area of the chip) with NAND gate is easier as compared to NORgate that's by we use NAND gate.

yes,nand gate is universal gate..because we can create NOT,OR,AND,EX-OR with the help of nand gate.

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Because they can design any logic gates either and or and

Q: Is nand gate a universal gate?

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No, XOR gate is a not a universal gate. There are basically two universal gates NAND and NOR.

Both are universal gates.

Any logic gate from which all other logic gate functions can be derived. The two universal gates are NAND and NOR.

universal logic gate is a gate using which you can make all the logic gates there are two such gates NOR gate and NAND gate

That title of "Universal Gate" is reserved for NAND gates because you can build all possible logic using only NAND logic . You can build even other basic logic like AND, OR and NOT using NAND.

NAND and NOR gate

universal gates are the ones from which we can design other gates also. for eg. NAND and NOR gates. they help in forming the uniformity in the circuits.

That title of "Universal Gate" is reserved for NAND gates because you can build all possible logic using only NAND logic . You can build even other basic logic like AND, OR and NOT using NAND.

The two categories for logic gates are basic logic gates and universal gates. Gates are identified by their function and universal gates are identified as NAND gate or NOR gate.

A universal gate is a gate which can implement any Boolean function without need touse any other gate type.The NAND and NOR gates are universal gates.In practice, this is advantageous since NAND and NOR gates are economical andeasier to fabricate and are the basic gates used in all IC digital logic families.In fact, an AND gate is typically implemented as a NAND gate followed by aninverter not the other way around!!Likewise, an OR gate is typically implemented as a NOR gate followed by an inverternot the other way around!!A universal gate is a gate which can implement any Boolean function without need touse any other gate type.The NAND and NOR gates are universal gates.In practice, this is advantageous since NAND and NOR gates are economical andeasier to fabricate and are the basic gates used in all IC digital logic families.In fact, an AND gate is typically implemented as a NAND gate followed by aninverter not the other way around!!Likewise, an OR gate is typically implemented as a NOR gate followed by an inverternot the other way around!!can be combined to produce AND, OR,NOT,XORand XNOR gates

the not gate applied to and gate is nand gate

A logic circuit of any complexity can be realized by using only the three basic gates (NOT, AND, and OR Gates). There are two universal gates, the NAND Gate and the NOR gate. Each of those can also realize logic circuit single-handedly. The NAND and NOR gates are therefore called universal gates.