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BIOS: Basic Input/Output System

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Questions and Answers

What does BIOS stand for?

Binary Input/Output System

Basic Input/Output System (correct)

Basic Input/Output Software

Basic Input/Output Service

Where is the BIOS firmware pre-installed?

Random access memory (RAM)

Network server

External storage device

System board of an IBM PC or IBM PC compatible (correct)

What is the main function of the BIOS in modern PCs?

Manage network connections

Create a graphical user interface (GUI)

Manage the operating system's memory

Initialize and test system hardware components (correct)

What did the BIOS provide in the era of DOS?

<p>BIOS interrupt calls for keyboard, display, storage, and other I/O devices</p> Signup and view all the answers

What do most BIOS implementations work specifically with?

<p>A particular computer or motherboard model</p> Signup and view all the answers

Study Notes

BIOS Basics

BIOS stands for Basic Input/Output System.

BIOS Location

BIOS firmware is pre-installed on the motherboard of a computer.

BIOS Function

The main function of the BIOS in modern PCs is to initialize and test the system's hardware components, and to boot the operating system from a storage device.

BIOS in the DOS Era

In the era of DOS, the BIOS provided a way to interact with the keyboard, display, and storage devices, allowing the operating system to focus on its core tasks.

BIOS Compatibility

Most BIOS implementations work specifically with x86-based systems.

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Description

Test your knowledge about BIOS, the firmware used to provide runtime services for operating systems and perform hardware initialization during the booting process.