COMPUTER FUNDAMENTALS

COMPUTER SOFTWARE

OPERATING SYSTEMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Before the operating system is completely running the ____ handles the start up instructions.
A
RAM
B
ROM
C
CPU
D
BIOS
Explanation: 

Detailed explanation-1: -The BIOS then starts the boot sequence. It will look for the operating system. If you don’t change any of the settings, the BIOS will fetch the operating system from the hard drive and load it into the RAM. The BIOS then transfers control to the operating system.

Detailed explanation-2: -BIOS, in full Basic Input/Output System, computer program that is typically stored in EPROM and used by the CPU to perform start-up procedures when the computer is turned on.

Detailed explanation-3: -Code in option ROMs runs before the BIOS boots the operating system from mass storage. These ROMs typically test and initialize hardware, add new BIOS services, or replace existing BIOS services with their own services.

Detailed explanation-4: -A computer’s basic input/output system (BIOS) is a program that’s stored in nonvolatile memory such as read-only memory (ROM) or flash memory, making it firmware. The BIOS (sometimes called ROM BIOS) is always the first program that executes when a computer is powered up.

There is 1 question to complete.