Linux Sysfs Question: Download Linux Sysfs PDF

Which type of devices are peripheral devices?
a) platform devices
b) system devices
c) both (a) and (b)
d) none of the mentioned

b) system devices

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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	Which one of the following is not a system device? a) CPU b) APIC c) timer d) none of the mentioned