Computer Architecture

Input Devices

1. Cameras
2. Video Capture Hardware
3. Trackballs
4. Barcode Reader
5. Digital Camera
6. Gamepad
7. Joystick
8. Micro[hone
9. Scanner
10. Webcam
11. Pen Input
12. Electronic Whiteboard
13. Magnetic Whiteboard

Output Devices

1.  Monitor
2. Printers
3. Plotters
4. Projector
5. Radio
6. Speakers
7. Radio

Both Input and Output Devices

1. Modems
2. Network Cards 
3. Touch Screen
4. Headsets
5. Audio Cards/ Sound Card