1. XOR gate 2. How you compare two 4 bit numbers only using gates. 3. How to rotate the bits and what happens if you rotate 5 times etc like that

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Questions on XOR gate, comparing 4 bit numbers using gates and rotating bits.

XOR gate is a logical gate that outputs true only when the inputs differ.
To compare two 4 bit numbers using gates, we can use a combination of XOR, AND and OR gates.
To rotate bits, we can use shift registers or rotate registers.
If we rotate 5 times, the bits will rotate by 5 positions and the last 5 bits will become the first 5 bits.