Dot matrix printers rely on a printhead in which a grid of 9 or 24 pins forms combinations to produce text, box-drawing characters and symbols made up of closely spaced dots. These devices superseded ...
Impact printers, whether they use dot-matrix technology that uses small pins or daisy-wheel technology that uses a wheel with pre-formed characters like a typewriter, all work by having an element ...
Excerpted from The Chinese Computer: A Global History of the Information Age, by Thomas S. Mullaney. Published by The MIT Press. Copyright © 2024 MIT. All rights ...
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