In computers, which of the following statements is true?

AA dot matrix printer is a type of non-impact printer.

BA laser printer is a type of impact printer.

CThe resolution of a laser printer is measured in megabits per second (Mbps).

DDot matrix printers are noisy, low quality and slow compared to laser printers. ✓ Correct

Correct answer: (D) Dot matrix printers are noisy, low quality and slow compared to laser printers.

Explanation

Dot matrix printers are noisy, low in quality and slow compared with laser printers.

A dot matrix printer is an impact printer, not a non-impact one, since its pins strike the ribbon.

A laser printer is a non-impact printer, not an impact one.

A laser printer's resolution is measured in dots per inch, not megabits per second.

Impact printing lets dot matrix printers produce carbon copies, which laser printers cannot.

Laser printers use toner and heat to fuse the image onto the page.

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