DOT MATRIX is a kind of :

DOT MATRIX is a kind of : Printer.

The process of doing dot matrix printing can involve dot matrix printers, both for impact and non - impact printers.

Almost all modern computer printers (both impact and non - impact) create their output as matrices of dots, and they may use

laser printing

inkjet printing

dot matrix printers

Except for impact dot matrix printers, it is not customary to call the others by that term.