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BIOS is an initialism of Basic Input/Output System. It was coined in 1975 by Gary Kildall of Digital Research Inc. as a part of the CP/M concept. It consists of the instructions required for bootstrapping IBM-compatible machines, also called PCs. Formally a ROM chip, the BIOS is today more likely to be stored in flash memory attached to the motherboard, allowing for updates to be made if necessary.

Consequently, there is no BIOS in the C64. The closest approximation would be the KERNAL[1] ROM which consists of the low-level, machine/hardware specific OS routines.

Links[edit | edit source]

WP-W11.png Wikipedia: BIOS

References[edit | edit source]

  1., accessed 14 December 2013