Question:
Which of the following is a universal gate?
Which of the following is a universal gate?
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Remember that both NAND and NOR are universal gates. Any Boolean function, no matter how complex, can be implemented using a combination of only NAND gates or only NOR gates.
Updated On: Jul 2, 2026
- AND
- OR
- NAND
- XOR
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The Correct Option is C
Solution and Explanation
A universal gate is a logic gate that can be used to implement any other type of logic gate.
The NAND and NOR gates are known as universal gates.
This is because all other basic logic functions (AND, OR, NOT) can be created using only NAND gates (or only NOR gates).
For example, a NOT gate can be made by connecting the inputs of a NAND gate together. An AND gate is a NAND gate followed by a NOT gate (which is another NAND gate).
Since NAND is listed as an option, it is the correct answer.
The NAND and NOR gates are known as universal gates.
This is because all other basic logic functions (AND, OR, NOT) can be created using only NAND gates (or only NOR gates).
For example, a NOT gate can be made by connecting the inputs of a NAND gate together. An AND gate is a NAND gate followed by a NOT gate (which is another NAND gate).
Since NAND is listed as an option, it is the correct answer.
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