Basic Input Output System Paper

Published: 2021-09-12 13:40:10
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Category: Computer Science

Type of paper: Essay

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If Microsoft Windows (MS Windows), a well-known operating system, become attractive interface between human/user with computer, then BIOS is a heart that work unconsciously to collect several information that a user input.

BIOS (Basic Input/Output System) are codes that have critical functions in computer system such as collecting button taps from keyboard or laying the pixel to the screen. This little program work behind the screen, translate MS Windows commands that people know them as representation of zero and one numeric, which only known by computer hardware. Like a heart role in human body, BIOS also has a strong influence to computer works.
Basic Input/output
Since computer system needs refreshment, the BIOS also need it. However, to update BIOS is easy although user must perform it carefully since any fault will lead computer to misconduct. The affecting are: the real correct BIOS updating will make a computer progressively stabilize and in line with the computer hardware’s, but if there is a little mistake, users just can bewail the computer’s motherboard since it cannot be used anymore.
Therefore, when updating BIOS, make sure to read all the instructions in the readme BIOS update file and always do as the instructions, which are searchable in BIOS website. I. Basic Input/Output System (BIOS) I.1. Understanding BIOS BIOS stand for Basic Input/Output System. This is a program, which also known as firmware that is stored in a ROM (Read Only Memory) chip on the motherboard, commonly referred to as the BIOS chip.
The BIOS has critical responsibility since it detects, tests, initializes and monitors the system hardware from the moment the system is turn on until Windows takes over. When a user turns on the computer on, the BIOS instantly identifies all of the onboard devices such as processor, memory, video card, etc and then runs the Power on Self Test (P.O.S.T) to determine whether each detected device is working properly.
If all of the devices pass the POST tests then BIOS initializes each device, detects the hard drives, CD-ROM and floppy drives and then searches the first boot device (normally the hard drive or floppy drive) for files necessary to load the operating system software and then passes control of the system to the operating system software. If any devices fail the tests, the POST provides an error message, which is displayed on the computer screen or it provides a series of beep sounds to computer’s speakers to indicate there is a problem.
The sequence of beeps can be used to identify exactly what the problem is. I.2 Importance of BIOS A flash BIOS chip contains BIOS information that can be erasing and updating. This allows it to recognize new features on an upgraded processor chip or new component that has come out since bought r computer. Occasionally, a computer will need to have its BIOS updated. This is especially true of older machines. As new devices and standards arise, the BIOS needs to change in order to understand the new hardware identification. Since the BIOS are stored in some form of ROM, changing the BIOS is a bit harder than upgrading most other types of software (Biosman, 2006). Most commonly, a user would want to upgrade BIOS on an older machine so that it can use Plug and Play features built into Windows.

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