Evaluate a Hexadecimal Bitwise AND
Company: Akuna Capital
Role: Software Engineer
Category: Software Engineering Fundamentals
Difficulty: medium
Interview Round: Technical Screen
Overview: Evaluate a hexadecimal bitwise AND by expanding aligned nibbles into binary and applying the per-bit truth rule. The worked solution converts `0x23` and `0x34`, identifies their single shared set bit, and returns the exact result `0x20`.
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