Inputs to a computer are or can be keyboard, mouse, touch screen, drawing pens, audio/video for recording, data read from card readers, USB/Firewire Ports or external hard drives, touchpads, any computerized machinery that transmits information to the computer.
Outputs could be a computer screen, printer, audio/video to external devices, data written to card readers, USB/Firewire Ports or external hard drives, any computerized machinery that receives information from the computer.
More inputs/outputs are added as technology improves.
