3. Printer is an output device that produces the processed information in printed hard copy format. The result is obtained on paper or polymer sheets in printed format.

5. PRINTE RS Impact printer Line Printer Serial Printer Non-Impact Printer

6. Impact printers work similar to conventional typewriters, i.e. by pressing typeface against inked ribbon and paper. Examples :- Chain Printer Drum Printer Dot Matrix Printer Daisy Wheel printer

9. This printers consists of solid cylindrical drum that has raised characters in bands on its surface.

15. Regular printing speed :- 180 to 360 characters per second. Regular printing speed :- 180 to 360 characters per second. Different sizes of this printer :- 80, 120, 180 Columns etc…… This printer is costlier compared to inkjet printers these are the most economical printers if used to print textual document, as the cost of ribbons as well as the cartridge is cheap

16. As the name suggested these printers do not touch the print head to the paper while printing. Ink jet Printers Laser Printer Thermal Printer

17. 3 To 15 Pages Per Minute. These printers are cheaper than dot matrix & lacer printer, but with high printing cost.

18. Epson stylus photo T20

22. LASER PRINTERS High speed, Low noise & maintenance, Economical printers.These printers are costlier than Inkjet printers.

27. It produces a very high quality color output. This printer is very expensive & requires an expensive special paper for printer.