Do you know what is a printer? You must know it. Printer is an almost inseparable part of a computer. Hope you have a printer attached with your computer. Printer is a peripheral which produces human readable copy or hard copy of graphics and/or text. Printer is usually a very slow device. A high-speed printer can normally produce thirty pages per minute. The printer we use at home are usually low volume printer which have a very short turnaround. Printing and publication houses normally use more expensive high-resolution color printer.
The four qualities which attract the users most are:
Color – Color is important if you want to print pages for presentation, maps. Color printers are expensive than normal printer.
Speed – Speed is necessary for those who use printer a lot. An ordinary printer prints only 3 to 6 pages/minute.
Memory – Printers usually have a very small amount of memory. Printer memory can be expanded by the users. A printer which has large memory can produce pages with large images quickly.
Resolution – Resolution of a printer is normally measured by the dots/pinch. The most ordinary printer usually offers sufficient resolution at 600 dpi.
However the quality and performance of the printers are improving day by day. The number of jobs such as Desk Top Publishing (DTP) which was earlier done by the professional print and publication houses are now performed by the local printers or users themselves at a very cheap rate.
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