Answer:
Hard disk drives; Any devices that receive input or send out output are considered I/O devices. I/O devices such as speakers, web cams, and monitors.
Step-by-step explanation:
The hardware used to interact with a machine by a human operator or other systems is an input/output device. As the name implies, input/output devices have the ability to provide data that is output to a computer and receive data that is input from a computer.
A hard drive is a need for all computers; they would not work without one. These days, the majority of computers contain input/output devices like a CD-RW or DVD-RW drive, a network card, and a sound card or inbuilt sound on the motherboard.