Software that translates a high-level request into the low-level commands required to perform the operation. The most common abstraction layer is the programming interface (API) between an application ...

Data abstraction is amazingly useful because it allows humans to understand and build complex systems like databases. A good place to start understanding the definition of data abstraction is to think ...

An interface between hardware and software. A hardware abstraction layer (HAL) is generally used as a common driver for peripheral devices. The application calls the operating system; the OS calls the ...