Question

Why input and output devices are not directly connected to the system buses?

Answer 1

Explanation:

Each I/O module interfaces to the system bus and controls one or more peripheral devices. There are several reasons why an I/O device or peripheral device is not directly connected to the system bus. ...  The data transfer rate of peripherals is often much slower than that of the memory or processor.

Answer 2

Answer:

Explanation:

Each I/O module interfaces to the system bus and controls one or more peripheral devices. There are several reasons why an I/O device or peripheral device is not directly connected to the system bus. ...  The data transfer rate of peripherals is often much slower than that of the memory or processor.