Elena uses several hardware devices with her computer systems.
Complete the table by adding one tick (✓) in each row to show whether the device is an input device, an output device, or both.
| Device | Input | Output | Both |
|---|---|---|---|
| 3D Printer | |||
| Web camera | |||
| Touchscreen monitor | |||
| Barcode reader |
33 exam-style questions on Edexcel IGCSE Computer Science Hardware. Each one has a worked solution and a mark scheme showing where the marks go.