Tag archive: Optical

When a traditional optical disc is created, information is copied onto the disc by creating light spots within the dye that coats a standard disc. When a user “burns” a new DVD using a DVD-burner drive in a computer, the optical nature of the dye is being altered to match the data. The data is read by looking at the contrasting areas of the disc, but has the flaw of degrading over extremely long periods of time due to fading in… Read More

Quote from the review at Hardware Zoom: “Introducing the Logitech Cordless MX DUO and the Logitech Cordless Freedom Optical, the 2nd and 3rd generations wireless keyboard and mouse combo from Logitech. Both versions use the same Cordless Elite keyboard, but different mouse. MX DUO comes with MX700 Cordless Optical while the Freedom Optical comes with Cordless MouseMan Optical. The other difference is the receiver; the MX DUO… Read More

Quote from the review at accelenation: “Unlike the preceding SN41G2 which featured Optical, Headphone, Mic, USB 2.0, and Fire wire connectors, the SN45G moves the Optical out to the rear while adding a Line-In connector. Also gone from the SN45G is the 6pin Fire wire port, replaced by a 4pin non-powered port.” Read the review