Printer
A printer transfers data from a computer onto paper. You don't need a printer to use your computer, but having one allows you to print e‑mail, cards, invitations, announcements, and other materials. Many people also like being able to print their own photos at home.
The Three most common printer types are Dot-matrix printers, inkjet printers and laser printers. Dot-matrix printers work by firing a matrix of tiny pins (which are located in the print head), through a ribbon similar to that found on a typewriter. Such printers are cheap and have the lowest running cost compared to any other type of printer. Inkjet printers are the most popular
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