Depends on your definition of bus.
USB ( Universal Serial Bus) serves both purposes...both output and input....when we copy something into a pen drive it serves as an output and when we view something from a pen drive it serves as an Input.
absolutely not , bus is just a data transfer media, we can't say it as input or output device
Data bus
is an omr and input or output device?
Bus architecture is the pathway between the CPU and other peripherals. It is usually a shared input/output pathway. Bus is short for omnibus, which means, for all.
both input r output
Input device.
it is an output device
output/input
output and input
Neither, it is not classified under input or output. It has its own identity
Input