Computers: Understanding Tech 5e 2.7
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| printer | A device used to produce hard-copy output on paper or another physical medium, such as transparency film.
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| nonimpact printer | A type of printer that forms the characters and images without actually striking the output medium; it creates print using electricity, heat, or photographic techniques.
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| impact printer | A type of printer that forms characters and images by physically striking an inked ribbon against the output medium, like an old-fashioned typewriter.
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| inkjet printer | A nonimpact printer that forms characters and images by spraying thousands of tiny droplets of ink through a set of tiny nozzles and onto a sheet of paper as the sheet passes through it.
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| thermal inkjet printer | An inkjet printer that heats the ink to about 400 degrees Fahrenheit, which creates a vapor bubble that forces the ink out of its cartridge and through a nozzle, which in turn creates a vacuum inside the cartridge, drawing more ink into the nozzle.
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| piezoelectric inkjet printer | A printer that moves ink with electricity; each nozzle contains piezoelectric crystals, which change their shape when electricity is applied to them and then force out the ink. Also called piezo printer.
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| pages per minute (ppm) | A measurement of printing speed.
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| laser printer | A nonimpact printer that uses a laser to write an image on a drum and then transfers the drum image to paper using powdered toner.
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| drum | A large cylinder, contained in a laser printer, that carries a high negative electric charge on which the page’s image is written with a laser, neutralizing the areas that should pick up toner.
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| toner | A powdered combination of iron and colored plastic particles that is contained within a reservoir inside a printer.
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| fuser | The heating element in a laser printer that melts the plastic particles in the toner and causes the image to stick to the paper.
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| multifunction device (MFD) | A printer that also functions as a copier and a scanner (and sometimes a fax machine). Also called all-in-one-device.
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| fax machine | A combination of a modem and a printer designed to send and receive copies of documents through a telephone line. The word fax is short for facsimile, which means “exact copy.”
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| thermal printer | A printer that uses heat to transfer an impression onto paper.
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| direct thermal printer | A thermal printer that prints an image by burning dots into a sheet of coated paper when it passes over a line of heading elements; its quality isn’t very good and it can’t produce shades of gray or colors.
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| thermal wax transfer printer | A thermal printer that adheres a wax-based ink onto paper, using a thermal print head that melts the ink from a ribbon onto the paper; images are printed as dots, so they must be dithered to produce shades of colors.
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| dye sublimation printer | A thermal printer that produces an image by heating ribbons containing dye and then dispersing the dyes onto a specially coated paper or transparency. Also called thermal dye transfer printer.
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| plotter | A type of printer that produces large-size, high-quality precision documents, such as architectural drawings, charts, maps, and diagrams; used to create engineering drawings for machine parts and equipment.
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| label printer | A small specialty printer that holds a roll of labels and feeds them continuously past a print head.
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| postage printer | A printer that is similar to a label printer but may include a scale for weighing letters and packages, and may interface with postage-printing software.
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| portable printer | A lightweight, battery-powered printer that can be easily transported.
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| 3-D printer | A printer that uses a special kind of plastic, metal, or other material to create a three-dimensional model of just about any object you can design in a 3-D modeling program on a computer.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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