It is that out put device by which a hard copy is taken in printed form.
The commonly used printers are:
(a) LASER Printer
(b) Ink Jet printer.
(c) Dot matrix printer
(d) Line printer
(a) Laser Printer : High quality printing work is done by LASER printer. It prints paper with speed. Speed of printing is measured in DPI (dots per inch).
(b) Ink Jet Printers : It prints images by spraying the ink on paper. However, the quality of image is low as compared to that of LASER printer. Its printing speed is also lower than LASER printer.