With respect to Computers, BIOS is an acronym for:

Correct option is D

BIOS (Basic Input/Output System) is firmware used during the booting process of a computer. It initializes and tests the hardware components, and loads the operating system from the storage device.
Information Booster:
1. BIOS is stored on a ROM chip and helps in booting up the system.
2. It checks the system for hardware errors and loads the bootloader or operating system.
Additional Knowledge:
Modern systems use UEFI (Unified Extensible Firmware Interface) instead of BIOS, which offers faster boot times and additional features.