The answer is Laser Printer. It is a non impact printer that creates characters and images with dots by using a drum and toner. The main advantages of laser printers are speed, precision and economy. A laser can move very quickly, and because the laser beam has an unvarying diameter, it can draw more precisely, without spilling any excess ink.
Answer: The difference between these two types of abaci are the number the beads.
Explanation:
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What kind of question is this?
Let's go with a Microsoft office power point presentation