Multiple choice technology web technology

What is processed first?

  1. CPU

  2. CMOS

  3. BIOS

  4. IO.SYS

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

BIOS (Basic Input/Output System) is the first firmware that runs when a computer is powered on. It initializes hardware components and loads the bootloader before the CPU begins processing operating system instructions or loading IO.SYS.