Input vs. Output

What kind of device is this?

• Input

• Output

• Input and output

What kind of device is this?

• Input

• Output

• Input and output

What kind of device is this?

• Input

• Output

• Input and output

What kind of device is this?

• Input

• Output

• Input and output

What kind of device is this?

• Input

• Output

• Input and output

What kind of device is this? (Tip - similar to the ones in the computer room)

• Input

• Output

• Input and output

What kind of device is this?

• Input

• Output

• Input and output

What kind of device is this?

• Input

• Output

• Input and output