output

1. what is output

1.1. Output is data that has been processed into a useful form text vdo audio

2. display devices

2.1. monitor

2.1.1. LCD

2.1.2. widescreen

2.2. Television

2.2.1. DTV

2.2.2. HDTV

3. printer

3.1. ink-jet printer

3.2. nonimpact printer

3.3. photo printer

3.4. MFP

3.5. mobile printer

3.6. label printer

4. speakers,headphones and earbuds

4.1. an audio output device

4.2. headpriones

4.3. voice output

5. force-feedback

6. data projector

7. interactive whiteboad

8. tactile output