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Computer Accessories , Printers & Technology

Computer Accessories , Printers & Technology

             Computer hardware is the physical parts or components of a computer, such as the monitor, keyboard, computer data storage, graphic card, sound card and motherboard.By contrast, software is instructions that can be stored and ran by hardware.
             Hardware is directed by the software to execute any command or instruction. A combination of hardware and software forms a usable computing system.
             Any device added to a computer that performs an additional feature, but is not required. A good example of an accessory is the computer printer, which gives the computer the ability to print, but the computer would still work if it didn't have the printer.
             A second aspect of printer technology that is often forgotten is resistance to alteration: liquid ink, such as from an inkjet head or fabric ribbon, becomes absorbed by the paper fibers, so documents printed with liquid ink are more difficult to alter than documents printed with toner or solid inks

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