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What is the full form of ABIOS?

Full form of ABIOS: Here, we are going to learn what does ABIOS stands for? ABIOS – which is an abbreviation of "Advanced Basic Input / Output System" in Computer Acronyms/Abbreviations, etc. By Anushree Goswami Last updated : March 30, 2024

ABIOS: Advanced Basic Input / Output System

ABIOS is an abbreviation of the "Advanced Basic Input/Output System".

It made available the latest original interfaces particularly suitable for multitasking operating systems such as OS/2. In the term "ABIOS", BIOS is an abbreviation of the Basic Input/Output System, which is a firmware used to carry out hardware initialization in the duration of the booting process (power-on startup) and to make available runtime services for operating systems and programs. The BIOS firmware arrives pre-installed on a personal computer's system board, and it is the primary software to function according to the operation when turned on through power supply.

In 1975, the term BIOS, which is the Basic Input/Output System, is used in the CP/M operating system. The BIOS at the beginning owned by the IBM PC has been reverse-engineered by corporations searching to build attuned well-suited systems. The interface of that unique inventive system provides service as a de facto standard.

The BIOS in current or contemporary PCs initializes and analyzes the system hardware components, and puts up a boot loader from a mass memory device which then initializes an operating system. In the period of DOS, the BIOS made available a hardware abstraction layer for the keyboard, display, and other input/output (I/O) devices that process an interface by implementing and developing technical standards for application programs and the operating system. The Latest configured operating systems do not use the BIOS after loading, as an alternative accessing the hardware components straightforwardly.

ABIOS History

• In 1975, the term BIOS, which is known as the Basic Input/Output System was designed and built by Gary Kildall and originally came out and emerged in the CP/M operating system.
• Versions of MS-DOS, PC DOS or DR-DOS include a file called in a variety of terms "IO.SYS", "IBMBIO.COM", "IBMBIO.SYS", or "DRBIOS.SYS"; this file is known as the "DOS BIOS" (also known as the "DOS I/O System") and includes the lower-level hardware-specific division of the operating system. Mutually with the fundamental hardware-specific other than operating system-independent "System BIOS", which exists in ROM, it corresponds to the analog to the "CP/M BIOS".
• With the initiation and establishment of PS/2 machines, IBM classified the System BIOS into real and protected-mode segments.
• The real-mode segment was intended to make available backward compatibility with presented operating systems such as DOS, and as a consequence was named "CBIOS" (for "Compatibility BIOS"), while the "ABIOS" (for "Advanced BIOS") made available original interfaces particularly appropriate for multitasking operating systems such as OS/2.