1. LCD monitor
1.1. The graphics processing unit (GPU) controls the manipulation and display of graphics on a display device
1.2. LCD monitors use a digital signal and should plug into a DVI port, and HDMI port, or a DisplayPort
2. Display device
2.1. Monitor
2.1.1. Plasma monitor
2.1.1.1. Televisions also are a good output device
2.1.1.2. Digital television (DTV) offers a crisper, higher quality output
2.1.1.3. HDTV is the most advanced form of digital television
2.1.2. CRT monitor
2.1.2.1. Have a much larger footprint than do LCD monitors
3. speaker,Headphone,Earbuds
3.1. Audio output device
3.1.1. Generate higher-quality sounds for playing games
3.2. Headphones
3.2.1. speakers that cover your head or are placed outside of the ear
3.3. Earbuds
3.3.1. rest inside the ear canal
3.4. Wireless speaker
3.4.1. Some Web sites dedicate themselves to providing voice output
3.5. Voice output
3.5.1. Often works with voice input,VoIP uses voice output and voice input
4. Printer
4.1. An ink-jet printers
4.1.1. Printers with a higher dpi (dots per inch) produce a higher quality output
4.2. Photo printers
4.2.1. PictBridge allows you to print photos directly from a digital camera
4.3. Thermal printers
4.3.1. generates images by pushing electrically heated pins against the heat-sensitive paper
4.4. Label and postage printers
4.4.1. a small printer that prints on adhesive-type material
4.4.2. Postage also can be printed on other types of printers
4.5. Plotters
4.5.1. used to produce high-quality drawings
4.6. Large-format printers
4.6.1. create photo-realistic quality color prints on a larger scale
5. Laser printers
5.1. High-speed,Black-and-white,High-qualitycolor
6. Other output devices
6.1. An interactive whiteboard
6.1.1. a touch-sensitive device, resembling a dry-erase board, that displays the image on a connected computer screen
6.2. Force-feedback
6.2.1. sends resistance to the device in response to actions of the user
6.3. Tactile output
6.3.1. Tactile output provides the user with a physical response from the device
6.4. Data projecter
6.4.1. a device that takes the text and images displaying on a computer screen and projects them on a larger screen