rotating-drum scanner
1Image scanner — Desktop scanner, with the lid raised. An object has been laid on the glass, ready for scanning …
2Mechanical television — This schematic shows the circular paths traced by the holes in a Nipkow disk. Mechanical television (also called televisor) was a broadcast television system that used mechanical or electromechanical devices to capture and display video images.… …
3Laser printer — HP LaserJet 4200 series printer, installed atop high capacity paper feeder …
4Digital camera back — Kodak DCS420 digital camera, consisting of a modified Nikon N90s body (left) and a digital back (right) shown here separated …
5History of television — The Television technology can be divided along two lines: those developments that depended upon both mechanical and electronic principles, and those dependent only on electronic principles. From the latter descended all modern televisions, but… …
6computer — computerlike, adj. /keuhm pyooh teuhr/, n. 1. Also called processor. an electronic device designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results of these operations. Cf. analog… …
7Stencil duplicator — The stencil duplicator, or mimeograph machine (commonly abbreviated to mimeo), along with spirit duplicators and hectographs were for many decades used to print short run office work, classroom materials, and church bulletins. These technologies… …
8Mimeograph — Illustration of a typical mimeograph machine Ja …
9Television — For other uses, see Television (disambiguation). TV redirects here. For other uses, see TV (disambiguation) …
10Digital versus film photography — has been a topic of debate since the invention of digital cameras towards the end of the 20th Century. Both digital and film photography have advantages and drawbacks.[1][2] 21st century photography is dominated by digital operation, but the… …
