Multiple choice general knowledge science & technology

A kind of serial dot-matrix printer that forms characters with magnetically-charged ink sprayed dots is called

  1. Laser printer

  2. Ink-jet printer

  3. Drum printer

  4. Chan printer
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Ink-jet printers form characters by spraying tiny droplets of ink onto paper in a dot-matrix pattern. While the question mentions 'magnetically-charged' ink, this accurately describes inkjet technology which uses liquid ink sprayed through microscopic nozzles. Laser printers use toner and heat (not sprayed ink), drum printers use impact technology with ribbons, and 'Chan printer' is not a standard printer type.

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