Q4 Week 4-Basic-Input-Output-System (BIOS)

Q4 week 4

By Jonalyn Rosario

OBJECTIVES​

-identify the function of Power on Self-Test;

-be familiar on how to access the Basic-Input-Output-System (BIOS) configuration procedures.

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BIOS (basic input/output system) is the program uses to start the computer system after it is powered on.

BIOS

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What BIOS is on my computer?

To determine the type or version of BIOS on your computer, you need to access the BIOS setup. On the main BIOS screen, it should display the BIOS type, like AMI, Award, or Phoenix, and the version of the BIOS.

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Bootstrap Loader - Locate the operating system. If a capable operating system is located, the BIOS will pass control to it.

2. Bootstrap Loader​

POST - Test the computer hardware and make sure no errors exist before loading the operating system.

1. POST

What are the four main functions of a PC BIOS?

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​BIOS setup or CMOS setup - Configuration program that allows you to configure hardware settings including system settings, such as date, time, and computer passwords.

4. BIOS Setup

BIOS drivers - Low-level drivers that give the computer basic operational control over your computer's hardware..

3. BIOS Driver​

What are the four main functions of a PC BIOS?

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How to enter the BIOS or CMOS setup

Every computer provides a way to enter the BIOS setup. This interface allows you to configure the basic settings of your computer.

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How to enter the BIOS or CMOS setup

BIOS Setup Utility allows users to access and configure the BIOS. The method for accessing the BIOS Setup Utility varies depending on the device being used. Users can typically access and customize BIOS by Setup Utility by following the steps below:

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How to enter the BIOS or CMOS setup

1. Power off the computer.

2. When the computer turns back on, look for a message which displays "entering setup" message in the first few seconds after turning on your computer. This message varies greatly from computer to computer and also includes the key or keys you need to press to enter BIOS. Some keys often used as prompts are Del, Tab, Esc, Ctrl-Esc, Ctrl-Alt-Esc and any of the function keys (F1-F12).

3. Upon seeing the prompt, quickly press the key specified

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Directions: Write the word TRUE if the statement is correct and FALSE if it is wrong on the space provided

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Fill in the Blanks

1. The Basic Input Output System, is a piece of software that is stored on a small memory chip on the motherboard.

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2. The computer POST tests the computer, ensuring that it meets the necessary system requirements and that all hardware is working properly before starting the boot process

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3. BIOS instructs the computer on how to perform basic functions such as assembly and disassembly and keyboard control.

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4. Every device comes with a pre-installed default boot sequence that is set by the manufacturer.

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5. BIOS Setup Utility allows users to access and configure the BIOS.

Directions: Answer each question briefly.

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Open Ended

1. List down the functions of Power on self-test

Open Ended

2. Danielle assembled her computer and wants to configure the date and time. She needs to access the BIOS Setup Utility. What steps should be done?

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BIOS stands for

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POST stands for

Initializing and checking hardware modules, as well as loading the operating system, are two of the most important tasks.

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In order for a system to boot, it must have a BIOS. In fact, if the BIOS fails or is missing, the system will not start.

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The BIOS, or Basic Input Output System, is a piece of software that is stored on a small memory chip on the motherboard.​​

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