Compatibility
The processor puts information into an acceptable form for your computer. The input output channel is a physical link that connects the computer to an output or input device.
A dedicated link between devices
vital link between computer processer and a network
The user interface or UI is the visual communication link between the PC and the computer user. It is aimed at making the interaction process between the human and the machine possible and simple.
A computer component would be part of the computer itself. Devices can be separate to a computer and just connected to it.
exchanging of data between interconnected devices
Both are input devices
A link is what you click on on your computer. A menu is what you get when you're at a resturaunt.
An expansion bus is made up of electronic pathways which move information between the code of a computer system, including the CPU and RAM, and peripheral devices. It is a collection of wires and protocols that allows for the expansion of a computer
A hardware connection means a physical link established between devices.
Point to point connection