Computer Science - Computer Hardware - Discussion

At the time of booting, Computer fetches the instructions from the Read Only Basic Input Output system.

ROM is the Flash memory. But how the booting process take the instructions from ROM BIOS.

What are the distinguishing differences between AT and ATX motherboards?

What is the command to reset a modem?

A ROM-BIOS is an abbreviation of Read Only Memory Basic Input Output System. In PC's the BIOS contains all the code required to control the keyboard, display screen, disk drives, serial communications, and a number of miscellaneous functions.

The BIOS is typically placed in a ROM chip that comes with the computer. This ensures that the BIOS will always be available and will not be damaged by disk failures. It also makes it possible for a computer to boot itself. Because RAM is faster than ROM, though, many computer manufacturers design systems so that the BIOS is copied from ROM to RAM each time the computer is booted. This is known as shadowing.

BIOS is the fist stage after turning on computer it is also called THE FIRMWARE.

Hey! Kishore ROM is not fresh memory but it is dead memory of a computer that's why computer use BIOS to boot up!

ROM is flash or permanent memory where our BIOS system is stored. So, when our computer starts ROM loads the BIOS first to check whether our system I/O is properly connected or not.

Computer fetches the instructions from the Read Only Basic Input Output system. At the time of booting.

BIOS is the main flash memory of a motherboard.