4th Class Computers Science Computer and Its Peripherals Question Bank Self Test-1

  • question_answer
    Which one of the following printers uses the typewriting printing mechanism where there is a mechanical contact between the print head and paper?

    A)  DeskJet printer

    B)  Dot-matrix printer

    C)  Laser printer

    D)  Thermal printer

    E)  None of these

    Correct Answer: B

    Solution :

    (B) Dot-matrix printer: Impact printers use the typewriting printing mechanism where there is a mechanical contact between the print head and paper. Dot-matrix and Character printers fall under this category. Incorrect options: (A) DeskJet printer: is a non impact printer. (C) Laser printer: is a non impact printer. (D) Thermal printer: is a non impact printer. (E) Option (E) is incorrect


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