Q. What is dot matrix printer ? Write advantages and disadvantages also ?

Dot-matrix Printers The print head of Dot-matrix printers uses small pins, which strike on the paper to create a character or image. They are more economical than most of other types of printers, with lowest running cost. These printers are not used much now-a-days. However, at places where invoices and delivery notes are produced with a copy and the quality is not important, these are still used.

Advantages • The main advantage of dot-matrix printers now is the ability to produce carbon copies. They provide a cheap, reliable method of getting multiple copies of a printout.
The other advantage is the low cost of printouts. It has low maintenance and running costs.

Disadvantages • Dot-matrix printers are noisy, slow and produce a lower quality

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