From what location are the 1st computer instructions available on boot up? maricarcose published on November 15, 2013 1 question Follow Ask a Question on Qfeast. It's just too easy! Star Question Be the first to add this question to starred list! ▼Scroll down for more questions▼ Answers (2) Votes Oldest vote up or down the answers Answer Link ↑ 0 ↓ macsantos ROM BIOS reply on November 16, 2013 Report Answer Link ↑ 0 ↓ arvince CD-rom.. reply on November 16, 2013 Report Subscribe