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Drawing Code 39 Full ASCII in Software Getting Information Out: Output

CHAPTER 4 Getting Information Out: Output
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Printers are available to meet any printing requirements Business printers print everthing from cash register receipts for customers to office building blueprints for architects In the personal computing world, though, print volume, print speed, and size of the document are not as much of an issue Personal computing printing is low-volume, low-speed color printing on various sizes of documents up to legal size (85 14 inches) and on various types of documents, including photo paper and envelopes Scores of relatively inexpensive printers in the $40 to $300 range are available to meet the most demanding personal computing print needs
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Types of Printers
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The price and performance of inkjet printers have made them the overwhelming choice for personal computing (see Figure 4-4) It s rare, but some people with dual home offices buy the more expensive laser printer Both inkjet and laser printers are capable of printing crystal-clear photo images Inkjet printers are designed for low volume printing (500 1000 pages per month) and laser printers are designed to serve many office workers The cost per printed page for laser printers is considerably less than for inkjet printers, but their upfront cost makes them too expensive for most home users
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Figure 4-4
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Inkjet printer
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(Photo courtesy of Hewlett-Packard Company)
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Personal Computing Demystified
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All-in-One Multifunction Devices: Print, Scan, Copy, and Fax
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Until recently, most people purchased separate machines to handle print, scan, copy, and fax jobs It turns out that these machines use similar technologies, so innovative manufacturers created the all-in-one multifunction device (see Figure 4-5) to do it all The all-in-one printer, as it is often called, uses inkjet technology It is very popular in personal computing because you can get all these capabilities for about a third the cost of all three or four machines Some multifunction devices do not have a fax capability It s an easy choice when you consider that there is relatively little loss of functionality when compared to separate devices You just can t print and scan at the same time If you go the all-in-one route for your printing, scanning, copying, and faxing needs, you will need to decide on what type of scan/copy/fax capabilities you want flatbed, document feed, or both Both methods have advantages You will pay a little more for all-in-ones that offer both capabilities
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Figure 4-5
All-in-one multifunction printer: print, scan, fax, and copy
(Photo courtesy of Hewlett-Packard Company)
CHAPTER 4 Getting Information Out: Output
Printer Technology and Features
The inkjet printer s print heads move back and forth across the paper as small injection chambers squirt tiny ink droplets on the paper The droplets, which dry instantly as dots, form the letters and images Maximum resolutions for the typical inkjet printer are about 1200 dpi (dots per inch) for regular black and white printing and up to 4800 dpi for color printing on premium photo paper The higher the resolution, the more ink you use Prior to printing, you can view the print Properties dialog box to choose a print resolution that fits the job Best, Normal, or Draft (see Figure 4-6) All inkjet printers, even portable ones, offer quality color printing on paper up to legal size You can find printers that offer all or a mix of these features:
Two-sided printing Built-in Ethernet (network) printing Paper-type sensor Direct camera-to-printer printing 11 17 printing
Keep in mind that additional features and each increment in speed and quality of output add to the cost of the printer Once the printer has been installed, load the feed tray with paper, turn it on, and you are ready to print
Figure 4-6
Printing options in the Properties dialog box
Personal Computing Demystified
The Audio System
My first PC had a tiny tinny-sounding speaker that beeped me when an operation was completed or when I did something wrong PC audio systems have evolved to wall-shaking surround sound for DVD movies and gaming sound effects Anymore, audio is as much a part of the PC I/O mix as the printer Listening to streaming music/video over the Internet, playing CDs, and making multimedia presentations are common personal computing activities The PC s audio system, which can have a big impact on your personal computing experience, has two pieces the speaker system and the sound card As with any audio system, the component quality and capabilities vary with price Generally, if you buy a high-end sound card, you will want a high-end speaker system that takes advantages of its capabilities If your PC is in an office setting with coworkers nearby, then a couple of inexpensive speakers will suffice However, if you want the rich, vibrant sounds that PCs are capable of producing, you will want a speaker system that includes at least a subwoofer and between two (stereo) and seven satellite speakers (multichannel sound)
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