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A 10 × 10-pixel computer display image usually requires many more than 10 × 10 printer dots to reproduce it accurately, due to the limited colours of ink available from the printer; here, a 60 × 60 grid is used, providing 36 times the original density, compensating for the printer's fewer colours.
An inkjet printer injects tiny droplets onto the printing medium via a series of nozzles on a printing head. Laser printers A laser printer uses a laser to charge a drum of toner in order to mark points where the toner would stick onto the medium. Thermal printers A printer which heats up a thermally sensitive roll of paper to reveal ink.
Modern computer-monitors typically display about 72 to 130 pixels per inch (PPI), and some modern consumer printers can resolve 2400 dots per inch (DPI) or more; determining the most appropriate image resolution for a given printer-resolution can pose difficulties, since printed output may have a greater level of detail than a viewer can ...
The Acer Iconia One 7 was launched in June 2014 as an Android 4.4 tablet with an Intel Atom processor, a 7-inch screen and HD display. The 2015 version retailed for £99 in the UK, with 1 GB RAM and 16 GB storage. The resolution of the IPS LCD screen was 1200x800, lower than competing tablets such as the Tesco Hudl 2. [16]
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A computer monitor is an output device that displays information in pictorial or textual form. A discrete monitor comprises a visual display, support electronics, power supply, housing, electrical connectors, and external user controls. The display in modern monitors is typically an LCD with LED backlight, having by the 2010s replaced CCFL ...
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