FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Dot Matrix Printer is a type of Impact Printer that prints characters or images by striking a print hammer or wheel against an inked ribbon. It is invented by Gary Starkweather in 1969. It provides a slow speed and low-quality printing than the Laser printer.

Detailed explanation-2: -Impact Printer forms characters and graphics on a piece of paper by striking a mechanism against an ink ribbon that physically contacts the paper. Dot-Matrix Printer an impact printer that produces printed images when tiny wire pins on a print head mechanism strike an inked ribbon.

Detailed explanation-3: -An impact printer is a type of printer that works by direct contact of an ink ribbon with paper. A metal or plastic head strikes the ink ribbon, whereby the ribbon is pressed against the paper and the desired character (letter, digit, dot, line) impression is printed on the sheet.

Detailed explanation-4: -Non-impact printers form characters and images without direct physical contact between the printing mechanism and the paper. For example, inkjet printers spray tiny drops of ink onto the page, while laser printers have a cylindrical drum that rolls electrically charged ink onto the paper.

Detailed explanation-5: -Impact printers have mechanical moving parts to conduct printing. Impact printers print characters and images by striking a print hammer or wheel against an inked ribbon that leaves an image on paper. Hence, the printing in impact printers is done by hammering a metal printing head or character dye on the ribbon.