Sawaal
2
Q:

Speed of laser printer is measured in

A) PPM B) CPM
C) LPM D) DPI

Answer:   A) PPM



Explanation:

Now a days, printers we are using are called as laser printers. The speed of a laser printer is measured in PPM i.e, Pages Per Minute. 

 

speed_of_laser_printer_is_measured_in1553490856.jpg image

Laser printing is an electrostatic digital printing process. It produces high-quality text and graphics by repeatedly passing a laser beam back and forth over a negatively charged cylinder called a "drum" to define a differentially charged image.

 

Compared to inkjet printers which use ink for printing laser printers are more expensive as they use toner which lasts for long.

Subject: General Science
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