What is printer ?
The printer is a peripheral device used to print text, picture, illustration, figure and image. It is used to produce hard copy output i.e. in the permanent readable form. There are two types of printers. They are Impact printer and Non-impact printer.
IMPACT PRINTERS
1, Electromechanical print head
2 ,Printing is done by hammering a set of metal pin or character set
3, Can be created
4 ,Characters output
5, Operation produces noise
6 ,Slow
7, Dot matrix, Daisy wheel and line printers.

NON-IMPACT PRINTERS
1, No electromechanical device
2, It prints by depositing ink in any form.
3 ,Hard to produce multiple copies
4 ,Character output and photo-quality images.
5, Works silently

6,  Faster
7,  Plotter, inkjet and laser printers.