1. Display devices
1.1. Monitor
1.1.1. CRT monitor
1.1.1.1. Have a much larger footprint than do LCD monitors
1.1.2. Plasma monitors
1.1.2.1. Televisions also are a good output device
1.1.2.1.1. Require a converter if you are connecting your computer to an analog television
1.1.2.2. Digital television (DTV) offers a crisper, higherquality output
1.1.2.3. HDTV is the most advanced form of digital television
1.1.3. Liquid crystal display (LCD)
1.1.3.1. Response time
1.1.3.2. Resolution
1.1.3.3. Contrast ratio
1.1.3.4. Brightness
1.1.3.5. Dot pitch
2. Speakers,headphones, Speakers,and earbuds
2.1. Speakers
2.1.1. Audio output device
2.1.1.1. Generate higher‐quality sounds for playing games
2.1.1.2. Interact with multimedia presentations
2.1.1.3. Listen to music
2.1.1.4. View movies
2.2. Headphones
2.2.1. Headphones are speakers that cover your head or are placed outside of the ear
2.3. Earbuds
2.3.1. Earbuds (also called earphones) rest inside the ear canal
3. Dataprojectors
3.1. A data projectors is adevice that takes the text and images displaying on a computer screen and projects them on alarger screen
3.1.1. Digital light processing (DLP) projector
4. Printers
4.1. Nonimpact printer
4.1.1. Ink‐jet Printers
4.1.1.1. Color or black‐and‐white
4.1.1.2. Printers with a higher dpi (dots per inch) produce a higherquality output
4.1.2. Photo Printers
4.1.2.1. Print from a memory card and preview photos on a built‐in LCD screen
4.1.2.2. PictBridge allows you to print photos directly from a digital camera
4.1.2.3. Most use ink‐jet technology
4.1.3. Laser Printers
4.1.3.1. Highquality
4.1.3.2. Highspeed
4.1.3.3. Black and white
4.1.3.4. Color
4.1.4. Thermal Printers
4.1.4.1. Dye‐sublimation Printer
4.1.4.2. Thermal wax‐transfer Printer
4.1.5. Mobile Printers
4.1.5.1. a smallmall, lightweight,lightweight,battery‐powered printer that allows a mobile user to print from amobile device
4.1.6. Label and postage Printers
4.1.6.1. a small printer that prints onadhesive‐type material
4.1.7. Plotters
4.1.7.1. used to produce high‐quality drawings
4.1.8. Large-format Printers
4.1.8.1. create photo‐realistic quality color prints on a larger scale
4.1.9. Multifunction peripheral (MFP)
4.1.9.1. a single device that prints, scans, copies, and in some cases, faxes
4.2. Impact printers
4.2.1. Line printer
4.2.1.1. prints anentire line at a time
4.2.2. Dot‐matrix printer
4.2.2.1. produces printed images when tiny wirepins on a print head mechanism strike aninked ribbon