Question Bank - Computer Awareness

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Which of the following is an example of an impact printer?

A.
Inkjet
B.
Deskjet
C.
LaserJet
D.
Dot-matrix

Solution:

The correct answer is Dot Matrix.Impact printerImpact printer refers to a class of printers that work by banging a head or needle against an ink ribbon to make a mark on the paper.The three most common forms of impact printers are:Dot-matrix.Daisy-wheel.Line printers.Important PointsDot-matrix Printers The technology behind dot-matrix printing is in such a way that the paper is pressed against a drum (a rubber-coated cylinder).The electromagnetically-driven printhead moves across the paper and strikes the printer ribbon situated between the paper and printhead pin.The impact of the printhead against the printer ribbon imprints ink dots on the paper which create human-readable characters.Additional InformationLaser Printer?A laser printer is a printer that uses a focused beam of light to transfer text and images onto paper. Inkjet printer?Inkjet printers, as the name implies, use ink to print text, graphics, and images onto various types of paper. Inkjet printers, cartridges, and supplies are more widely available therefore cheaper than their thermal printer.Deskjet is a brand name for inkjet printers manufactured by Hewlett-Packard.

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