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Computer-Concepts-and-C-Programming---06CCP13-VTU-notes--->View question

Explain with example, different types of printers.

Computer Concepts and C Programming


Asked On2017-06-12 05:45:17 by:Aparna-Dasgupta

Taged users:
arunwebber

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There are two types of printers.
Impact printers
An impact printer makes contact with the paper. It usually forms the print image by pressing an inked ribbon against the paper using a hammer or pins. Following are some examples of impact printers.
 Dot-Matrix Printers
The dot-matrix printer uses print heads containing from 9 to 24 pins. These pins produce patterns of dots on the paper to form the individual characters. The 24 pin dot-matrix printer produces more dots that a 9 pin dot-matrix printer, which results in much better quality and clearer characters. The general rule is: the more pins, the clearer the letters on the paper. The pins strike the ribbon individually as the print mechanism moves across the entire print line in both directions, i-e, from left to right, then right to left, and so on. The user can produce a color output with a dot-matrix printer (the user will change the black ribbon with a ribbon that has color stripes). Dot-matrix printers are inexpensive and typically print at speeds of 100-600 characters per second.

Answerd on:2017-06-13 Answerd By:milan-ransingh

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