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A printing press is a mechanical device for applying pressure to an inked surface resting upon a print medium (such as paper or cloth), thereby transferring the ink.It marked a dramatic improvement on earlier printing methods in which the cloth, paper, or other medium was brushed or rubbed repeatedly to achieve the transfer of ink and accelerated the process.
A mini PC (or miniature PC, nettop, or Smart Micro PC) is a small-sized, inexpensive, [1] low-power, [2] [3] legacy-free desktop computer designed for basic tasks such as web browsing, accessing web-based applications, document processing, and audio/video playback. [4] [5] [6] The word nettop is a portmanteau of network and desktop.
The term Printing Press refers to the nature of the process, in which there is contact between the system that applies the ink to the substrate and substrate that the ink is pressed onto. Digital Printers however are non-impact printing processes; to print, a devices “fires” drops of ink from the print heads onto the substrate.
Digital printing has a higher cost per page than more traditional offset printing methods, but this price is usually offset by avoiding the cost of all the technical steps required to make printing plates. It also allows for on-demand printing, short turnaround time, and even a modification of the image (variable data) used for each impression. [2]
The general form of letterpress printing with a platen press shows the relationship between the forme (the type), the pressure, the ink, and the paper. Letterpress printing is a technique of relief printing for producing many copies by repeated direct impression of an inked, raised surface against individual sheets of paper or a continuous roll ...
The rotary printing press uses impressions curved around a cylinder to print on long continuous rolls of paper or other substrates. Rotary drum printing was later significantly improved by William Bullock. There are multiple types of rotary printing press technologies that are still used today: sheetfed offset, rotogravure, and flexographic ...
One generation's "supercomputer" is the next generation's "mainframe", and a "PDA" does not have the same set of functions as a "laptop", but the list still has value, as it provides a ranked categorization of devices. It also ranks some more obscure computer sizes.
Inkjet printing is a type of computer printing that recreates a digital image by propelling droplets of ink onto paper and plastic substrates. [1] Inkjet printers were the most commonly used type of printer in 2008, [ 2 ] [ needs update ] and range from small inexpensive consumer models to expensive professional machines.