Hardware Abstraction Layer

What is a Hardware Abstraction Layer (HAL)?

Definition and meaning of Hardware Abstraction Layer

A Hardware Abstraction Layer (HAL) is a logical division of Code that serves as an abstraction layer between a Computer’s physical hardware and its Software. It gives a Device driving force Interface allowing a program to speak with the hardware.

The fundamental purpose of a HAL is to hide distinct hardware architectures from the OS by using imparting a uniForm interface to the device Peripherals.

What Does Hardware Abstraction Layer Mean?

A hardware abstraction layer is covered in many OSs to avoid enhancing the OS Kernel to run this sySTEM on Computer Systems with various hardware architecture. A PC may also include the HAL in the OS kernel or inside the form of tool drivers that offer a consistent interface for applications to have interaction with the hardware peripherals.

The HAL offers the subsequent blessings:

• Allowing Packages to extract as much performance out of the hardware gadgets as feasible
• Enabling the OS to perform no matter the hardware architecture
• Enabling tool drivers to offer direct Access to each hardware tool, which lets in programs to be device-unbiased
• Allowing Software Program applications to talk with the hardware gadgets at a standard level
• Facilitating Portability

Some of the OSs that Characteristic HALs encompass the Mac OS, Linux, DOS, Solaris, BSD, Windows NT, Windows 2000 and IBM’s AS/400.

What does HAL stand for?

When we refer to HAL as an acronym of Hardware Abstraction Layer, we mean that HAL is formed by taking the initial letters of each significant word in Hardware Abstraction Layer. This process condenses the original phrase into a shorter, more manageable form while retaining its essential meaning. According to this definition, HAL stands for Hardware Abstraction Layer.

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