List the six external parts of a computer system identify which are input and which are output

1. Mouse: input

2. Keyboard: input

3. Monitor: output

4. Speakers: output

5. Printer: output but input if it has a scanner

6. Microphone: input

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.