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Alexander Murray and Richard Morse invented and patented the first analog color scanner at Eastman Kodak in 1937. Intended for color separation at printing presses, their machine was an analog drum scanner that imaged a color transparency mounted in the drum, with a light source placed underneath the film, and three photocells with red, green, and blue color filters reading each spot on the ...
The scanner host responds with an RST packet, closing the connection before the handshake is completed. [3] If the port is closed but unfiltered, the target will instantly respond with an RST packet. The use of raw networking has several advantages, giving the scanner full control of the packets sent and the timeout for responses, and allowing ...
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The computer receives data from an input device; examples: mouse, keyboard, scanner, game controller, microphone and webcam; The computer sends data to an output device; examples: monitor, printer, headphones, and speakers
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Network enumeration is a computing activity in which usernames and info on groups, shares, and services of networked computers are retrieved. It should not be confused with network mapping, which only retrieves information about which servers are connected to a specific network and what operating system runs on them.