Frenus Tech Design & Verification Engineer Interview Questions and Answers

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.