Output

1. Printer

1.1. producing printed output

1.2. nonimpact printer

1.3. ink-jet printer

1.4. photo printer

1.5. laser printer

1.6. multifunction peripheral

1.6.1. printer

1.6.2. scanner

1.6.3. copy

1.6.4. fax

1.7. Thermal printer

1.8. mobile printer

1.9. label & postage printer

1.10. plotter & large format printer

1.11. impact printer

2. Head Phone & Earbud

2.1. wireless

2.2. cable

2.3. handfree

3. output devices for physically challenged user

4. Display Devices

4.1. LCD technology

4.1.1. LCD monitor

4.1.2. LCD screen

4.2. LCD quality

4.3. Graphic chips , port

4.4. Plasma monitor

4.5. Television

4.6. CRT monitor

5. Speaker

5.1. cable

5.2. wireless

6. other device

6.1. interactive whiteboard

6.2. force-feedback game controller