A virtual device driver (VxD) is a software device driver that emulates hardware and other devices so that multiple applications running in protected mode can access hardware interrupt channels, hardware resources and memory without causing conflicts. The Vxd was superseded by the Windows Driver Model (WDM) and is now obsolete.
Business Process Automation (BPA) is a process of managing information, data and processes to reduce costs, resources and investment. BPA increases productivity by automating key business processes through computing technology.
The BPA process is geared toward implementing software applications to automate routine business tasks through initiation, execution and completion, while achieving enterprise-wide workflow efficiency. An Enterprise Resource Planning (ERP) system is often conceived as a BPA implementation outcome.
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