20 points
This diagram shows some peripheral devices for a computer (arrows pointing towards the CPU indicate input device, and arrows pointing away from the CPU indicate output device):

Which of the following is true?

1. The diagram is accurate as shown.
2. Monitors are output peripherals but are shown as input peripherals.
3. Speakers can both receive and send data.
4. A printer is an input peripheral but is shown as an output peripheral.

20 pointsThis diagram shows some peripheral devices for a computer arrows pointing towards the CPU indicate input device and arrows pointing away from the CPU i class=