Describe the operation and truth table of a 2-i... - SS2 Physics Electronics Question
Describe the operation and truth table of a 2-input XOR gate. Discuss the significance of XOR gates in digital logic circuits.
A 2-input XOR gate is a logic gate that produces an output of logic level 1 (HIGH) when the number of inputs at logic level 1 is odd. The truth table for a 2-input XOR gate is as follows:
|
A |
B |
Y |
|
0 |
0 |
0 |
|
0 |
1 |
1 |
|
1 |
0 |
1 |
|
1 |
1 |
0 |
XOR gates are significant in digital logic circuits because they are used for several purposes. Firstly, XOR gates are fundamental building blocks for constructing other types of gates, such as XNOR gates and half-adders. Secondly, XOR gates are widely used in error detection and correction circuits, such as parity checkers. Additionally, XOR gates are employed in data encryption and decryption algorithms, where they play a crucial role in the generation of cryptographic keys.
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