Printers
A printer is an output device that prints characters,symbols
and graphics on paper.
The printed output is called Hard Copy.
Print resolution is usually measured in Dots per inch DPI.
Types of Printers:
1.Impact Printers:
This works like a type writer.
It prints characters or images by striking print hammer or
wheel against an inked ribbon.
Dot matrix and line printers are examples of impact
printers.
2.Non-impact
Printers:
These print character and graphics on a piece of paper
without striking the paper.
Some of these printers use spray ink while others use heat
and pressure to create images.
These printers are faster than impact printer.
Inkjet and laser printers are examples of non-impact printers
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