1. Output device
1.1. Display devices
1.1.1. Moniter
1.1.1.1. LCD monier
1.1.1.1.1. Display
1.1.1.2. Widescreen
1.1.1.3. Plasma
1.1.1.4. CRT
1.1.2. Resolution
1.2. Speakers,headphones and earbuds
1.2.1. Music
1.2.2. Speech
1.2.3. other sounds
1.3. Data projectors
1.3.1. Project them on larger screen
1.3.2. Digital light processing
1.4. Interactive whiteboards
1.4.1. touch-sensitive
1.4.2. connected computer screen
1.5. Force-feedback game controllers
1.5.1. send resistance to device
1.6. Tactile output
1.7. Printer
1.7.1. Ink-jet
1.7.1.1. Color
1.7.1.2. Black and White
1.7.1.3. Higher dpi
1.7.2. Photo
1.7.2.1. Use Ink-jet technology
1.7.2.2. Print photos from a digital camera
1.7.2.3. Print from memory card and preview in LCD screen
1.7.3. Laser
1.7.3.1. Highspeed
1.7.3.2. Black and White
1.7.3.3. High quality
1.7.3.4. Color
1.7.4. Thermal
1.7.4.1. Wax-transfer printer
1.7.4.2. Dye-sublimation printer
1.7.5. Mobile
1.7.5.1. Small
1.7.5.2. Lightweight
1.7.5.3. Battery-powered
1.7.6. Label and postage
1.7.6.1. Small
1.7.6.2. Prints on adhesive-type material
1.7.7. Plotters
1.7.7.1. Large-format
1.7.7.2. High quanlity drawings
1.7.7.3. Print larger scale
2. Output Processed form
2.1. Text
2.1.1. paper
2.2. Graphics
2.2.1. printer
2.2.2. camera
2.3. Audio
2.3.1. speakers
2.3.2. headphone
2.3.3. earbuds
2.4. Video
2.4.1. moniter
2.4.2. mobile