single-pair high-speed digital subscriber line
71Modem — For other uses, see Modem (disambiguation). A modem (modulator demodulator) is a device that modulates an analog carrier signal to encode digital information, and also demodulates such a carrier signal to decode the transmitted information. The… …
72Fiber-optic communication — An optical fiber junction box. The yellow cables are single mode fibers; the orange and blue cables are multi mode fibers: 50/125 µm OM2 and 50/125 µm OM3 fibers respectively. Fiber optic communication is a method of transmitting information from …
73Telegraphy — (from the Greek words (τηλε) = far and (γραφειν) = write) is the long distance transmission of written messages without physical transport of letters. Radiotelegraphy or wireless telegraphy transmits messages using radio. Telegraphy includes… …
74India — /in dee euh/, n. 1. Hindi, Bharat. a republic in S Asia: a union comprising 25 states and 7 union territories; formerly a British colony; gained independence Aug. 15, 1947; became a republic within the Commonwealth of Nations Jan. 26, 1950.… …
75Electricity meter — Typical North American domestic analog electricity meter …
76EverQuest — Developer(s) Sony Online Entertainment Publisher(s) Sony Online Entertainment …
77Text messaging — Texter redirects here. For the American surname, see Texter (surname). Txt msg redirects here. For the TV series, see Pop Up Video. A user typing a text message on an LG enV (VX9900) Text messaging, or texting, refers to the exchange of brief… …
78Role-playing video game — Part of a series on …
79R2 signalling — R2[1] is a 1950s and 1970s era channel associated signalling signalling protocol used outside of the former Bell System to convey information along a telephone trunk between two telephone switches in order to establish a single telephone call… …
80Videotex — (or interactive videotex ) was one of the earliest implementations of an end user information system . From the late 1970s to mid 1980s, it was used to deliver information (usually pages of text) to a user in computer like format, typically to be …
