Explain BIOS and UEFI Firmware Mechanisms
Company: Amazon
Role: Software Engineer
Category: Software Engineering Fundamentals
Difficulty: hard
Interview Round: Technical Screen
Overview: Explain key BIOS and UEFI mechanisms, including system-management interrupts, hardware fault reporting, early memory initialization, and ACPI table discovery. Connect firmware behavior to operating-system effects while addressing platform differences, validation, latency, security, and malformed data.
