Explain thermal and signal fundamentals
Company: Apple
Role: Software Engineer
Category: Software Engineering Fundamentals
Difficulty: hard
Interview Round: Onsite
Overview: This question evaluates understanding of hardware fundamentals including thermal-resistance modeling, digital signal biasing (pull-up resistor selection), I2C bus frequency trade-offs, analog filtering and PCB/layout techniques for noise mitigation, and basic sensor-data analysis with box-plot interpretation.
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