GSU CSC 1010 - Chapter06 (44 pages)

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Chapter06



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Chapter06

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Pages:
44
School:
Georgia State University
Course:
Csc 1010 - Computers & Applications
Unformatted text preview:

Discovering Computers 2009 Chapter 6 Output Chapter 6 Objectives Describe Describethe thefour fourcategories categoriesofofoutput output Summarize Summarizethe thecharacteristics characteristicsofofink jet ink jetprinters printers photo printers laser printers thermal printers photo printers laser printers thermal printers mobile mobileprinters printers label labeland andpostage postageprinters printers and andplotters plottersand andlarge format large formatprinters printers Summarize Summarizethe thecharacteristics characteristicsofofLCD LCDmonitors monitors LCD LCDscreens screens plasma plasmamonitors monitors and andCRT CRTmonitors monitors Describe Describethe theuses usesofofspeakers speakers headphones headphones and earphones and earphones Describe Describethe thevarious variousways waystotoprint print Identify Identifythe theoutput outputcharacteristics characteristicsofoffax faxmachines machinesand and fax modems multifunction peripherals fax modems multifunction peripherals data data projectors projectors interactive interactivewhiteboards whiteboards joysticks joysticks wheels wheels gamepads and motion sensing game controllers gamepads and motion sensing game controllers Differentiate Differentiatebetween betweenaanonimpact nonimpactprinter printerand andan an impact impactprinter printer Identify Identifyoutput outputoptions optionsfor for physically challenged users physically challenged users Next What is Output What is output Data that has been processed into a useful form p 300 301 Fig 6 1 Output device is any hardware component that can convey information to one or more people Next Display Devices What is a display device Output device that visually conveys text graphics and video information Information on display device sometimes called soft copy Monitor houses display device that is packaged as separate peripheral p 302 Next Display Devices What is an LCD monitor Uses liquid crystal display Has a small footprint Mobile devices that contain LCD displays include Notebook computer Tablet PC ultra personal computer portable media player smart phone and PDA p 302 303 Fig 6 2 Next Display Devices What about using multiple LCD monitors Some users position two or more monitors side by side or stacked Allows users to run multiple applications simultaneously p 303 Fig 6 3 Next Display Devices What are some mobile devices that have LCD screens Click to view Web Link click Chapter 6 Click Web Link from left navigation then click Widescreen LCD Monitors below Chapter 6 p 303 304 Fig 6 4 Next Display Devices What is resolution Number of horizontal and vertical pixels in a display device Sharpness and clarity of image Higher resolution makes image sharper displays more text on screen makes some elements smaller p 304 305 Fig 6 5 Next Display Devices How LCD Works Click to view Web Link click Chapter 6 Click Web Link from left navigation then click Video Cards below Chapter 6 p 306 Fig 6 6 Next Display Devices How do you use an LCD monitor with a video card Plug monitor into Digital Video Interface DVI port or an HDMI port on computer Click to view Web Link click Chapter 6 Click Web Link from left navigation then click Video Cards below Chapter 6 p 306 Fig 6 6 Next Display Devices What is a plasma monitor Displays image by applying voltage to layer of gas p 307 Fig 6 8 Larger screen size and richer colors than LCD but are more expensive Next Display Devices What is digital television DTV and high definition television HDTV High resolution All broadcast stations transmit digital signals Uses digital signals to produce crisper higher quality output on LCD and plasma televisions Many programs can be broadcast on a single digital channel HDTV high definition television is the most advanced form of digital TV Great for game playing watching movies and browsing the Internet p 308 Next Display Devices What is a CRT monitor Contains cathode ray tube CRT Screen coated with tiny dots of phosphor material Each dot consists of a red blue and green phosphor Common sizes are 15 17 19 21 and 22 inches p 309 Fig 6 10 Viewable size is diagonal measurement of actual viewing area Next Display Devices What is the ENERGY STAR program p 309 Encourages manufacturers to create energy efficient devices that require little power when not in use Monitors and devices meeting guidelines display ENERGY STAR label Next Printers What is a printer Output device that produces text and portrait graphics on a physical medium Result is hard copy or printout Two orientations portrait and landscape landscape p 310 Fig 6 11 Next Printers How do you know which printer to buy Depends on printing needs Budget Cost per page Multiple copies System compatibility p 310 Speed Color or black and white Graphics and photo printing Future needs Paper types and sizes Wireless capability Next Printers What are the various ways to print documents and pictures Click to view Web Link click Chapter 6 Click Web Link from left navigation then click Printing Wirelessly below Chapter 6 p 311 Fig 6 13 Next Printers What is a nonimpact printer Forms characters and graphics without striking paper Ink jet printer sprays tiny drops of liquid ink onto paper Prints in black and white or color on a variety of paper types p 312 Fig 6 14 Next Printers What is the resolution of a printer Sharpness and clarity Measured by number of dots per inch dpi printer can output p 313 Fig 6 15 Next Printers How does an ink jet printer work print head print cartridge firing chamber ink dot bubble Click to view Web Link click Chapter 6 Click Web Link from left navigation then click Ink Jet Printers below Chapter 6 p 313 314 Fig 6 16 resistor nozzle ink Step 1 A Step 2 Step 3 Ink Step 4 As the vapor bubble small resistor heats the ink causing the ink to boil and form a vapor bubble The vapor bubble forces the ink through the nozzle drops onto the paper collapses fresh ink is drawn into the firing chamber Next Printers What is a photo printer Color printer that produces photo lab quality pictures Many photo printers have a built in card slot PictBridge is a standard technology that allows you to print pictures directly from a digital camera Click to view Web Link click Chapter 6 Click Web Link from left navigation then click PictBridge below Chapter 6 p 314 315 Fig 6 17 Next Printers What is a laser printer High speed high quality nonimpact printer Prints text and graphics in high quality resolution ranging from 1 200 to 2 400 dpi Typically costs more than


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