Linux Sysfs Question:
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Which one of the following directory contains every physical device that has been discovered by the bus types registered with the kernel?
a) /sys/devices
b) /sys/bus/devices
c) /devices
d) none of the mentioned

Answer:

a) /sys/devices

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A device class describes the ____ type of device.
a) physical
b) stuctural
c) functional
d) none of the mentioned		Which type of devices are peripheral devices?
a) platform devices
b) system devices
c) both (a) and (b)
d) none of the mentioned