Output Devices

Printer

Also known as a hard copy device. There are basically four types of printer:Matrix: it has a head that travels back and forth over a bar. The print head has several needles hitting the role of an ink ribbon to form charactersInkjet: create the image directly on the paper to eject a jet of ink through a nozzle.Are the most widely used and print high quality images in color.Laser: has an internal processor that interprets the data received from the CPU and controls the laser, which selects the points in a special drum creates an electrical charge supplied by the "toner" and transfers the data to paper.Thermal: is mostly used for printing documents from laptops. Its operation is based on heat generation on special paper.The plotters or plotters also considered output devices: They are great printers that serve primarily to professionals in civil engineering and architectural drawings for printing.