Of these following device drivers in a driver stack for a joystick, which one is a filter driver?
A) PCI bus driver
B) class driver for joystick devices
C) miniclass driver for this specific joystick
D) joystick driver that adds a macro button to the joystick

Question

Quizplus · Accepted Answer

A filter driver modifies or enhances the behavior of a device. The joystick driver that adds a macro button is a filter driver because it adds functionality to the existing joystick driver stack.

Of These Following Device Drivers in a Driver Stack for a Joystick