out put

1. display devices

1.1. A display device visually

1.1.1. conveys text

1.1.2. graphics

1.1.3.  video information

1.2.  monitor

1.2.1. LCD monitor

1.2.2. Widescreen

2. Speakers,  headphones,  and earbuds

2.1. playing  games

2.2. multimedia presentations

2.3. Listen to music

2.4. View movies

3. Interactive  whiteboards

4. Tactile output

5. printers

5.1. Ink‐jet  printers

5.2. Photo  printers

5.3. Laser  printers

5.4. Thermal  printers

5.5.   mobile printers

5.6. Label and  postage  printers

5.7. Plotters

5.8. large-format  printers

6. Data projectors

7. Force‐feedback  game  controllers