telegraph data circuit
51radio — /ray dee oh /, n., pl. radios, adj., v., radioed, radioing. n. 1. wireless telegraphy or telephony: speeches broadcast by radio. 2. an apparatus for receiving or transmitting radio broadcasts. 3. a message transmitted by radio. adj. 4. pertaining …
52Media and Publishing — ▪ 2007 Introduction The Frankfurt Book Fair enjoyed a record number of exhibitors, and the distribution of free newspapers surged. TV broadcasters experimented with ways of engaging their audience via the Internet; mobile TV grew; magazine… …
53Integrated Services Digital Network — ISDN redirects here. For other uses, see ISDN (disambiguation). Integrated Services Digital Network (ISDN) is a set of communications standards for simultaneous digital transmission of voice, video, data, and other network services over the… …
549/11 conspiracy theories — The collapse of the two World Trade Center towers and the nearby WTC7 (in this photo, the brown building to the left of the towers) is a major focus of 9/11 cons …
55Northamptonshire — Coordinates: 52°17′N 0°50′W / 52.283°N 0.833°W / 52.283; 0.833 …
56White people — Whites redirects here. For other uses, see White (disambiguation). Race …
57Computer network — Computer networks redirects here. For the periodical, see Computer Networks (journal). Datacom redirects here. For other uses, see Datacom (disambiguation). Internet map. The Internet is a global system of interconnected computer networks that… …
58Packet switching — is a digital networking communications method that groups all transmitted data – regardless of content, type, or structure – into suitably sized blocks, called packets. Packet switching features delivery of variable bit rate data streams… …
59Infrastructure — Public infrastructure Assets and facilities Airports · Bridges · Broadband …
60Usain Bolt — Bolt at Berlin World Championships 2009 Personal information …
