page copy teleprinter

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• Hard copy — For the television series, see Hard Copy. In information handling, a hard copy is a permanent reproduction, or copy, in the form of a physical object, of any media suitable for direct use by a person (in particular paper), of displayed or… …   Wikipedia

• Printer (computing) — A modern printer with scanning/copying capability Small printer …   Wikipedia

• PDP-8 — A PDP 8 on display at the Smithsonian s National Museum of American History in Washington, D.C.. This example is from the first generation of PDP 8s, built with discrete transistors and later known as the Straight 8. The 12 bit PDP 8 was the… …   Wikipedia

• Typewriter — Mechanical desktop typewriters, such as this Underwood Five, were long time standards of government agencies, newsrooms, and offices …   Wikipedia

• Baudot code — The Baudot code, invented by Émile Baudot,[1] is a character set predating EBCDIC and ASCII. It was the predecessor to the International Telegraph Alphabet No 2 (ITA2), the teleprinter code in use until the advent of ASCII. Each character in the… …   Wikipedia

• Punched tape — Five hole and eight hole punched paper tape Punched tape or paper tape is an obsolete form of data storage, consisting of a long strip of paper in which holes are punched to store data. It was widely used during much of the twentieth century for… …   Wikipedia

• Cryptanalysis of the Enigma — enabled the western Allies in World War II to read substantial amounts of secret Morse coded radio communications of the Axis powers that had been enciphered using Enigma machines. This yielded military intelligence which, along with that from… …   Wikipedia

• One-time pad — Excerpt from a one time pad In cryptography, the one time pad (OTP) is a type of encryption, which has been proven to be impossible to crack if used correctly. Each bit or character from the plaintext is encrypted by a modular addition with a bit …   Wikipedia

• Rudolf Vrba — Rudolf Rudi Vrba, born Walter Rosenberg (September 11, 1924 ndash; March 27, 2006), was a professor of pharmacology at the University of British Columbia. He came to public attention in 1944 when, in April that year, he and a friend, Alfréd… …   Wikipedia

• Battle of the Bulge — For other uses, see Battle of the Bulge (disambiguation). Battle of the Bulge Part of World War II …   Wikipedia

• Enigma machine — Military Enigma machine …   Wikipedia