List and explain 4 output devices dot matrix Printers: a printer that forms images of letters, numbers, etc., from a number of tiny dots. Primarily used for producing multipart forms, such as invoices, packing slips, and credit card receipts Ink-Jet Printers: a printer in which the characters are formed by spraying tiny drops of liquid ink from one or more ink cartridges onto the page, one line at a time LaserJet printers: This printer type, linked to a computer, produces good-quality printed material by using a laser to form a pattern of electrostatically charged dots on a light-sensitive drum, which attract toner (or dry ink powder). The toner is transferred to a piece of paper and fixed by a heating process. They are also available in color and black-and-white printers. They print and entire page at a time and are typically faster than inkjet printers 38 39 40