punched tape operation
51NSA encryption systems — The National Security Agency took over responsibility for all U.S. Government encryption systems when it was formed in 1952. The technical details of most NSA approved systems are still classified, but much more about its early systems has become …
52APEXC — The APEXC, or All Purpose Electronic X Ray Computer was designed by Andrew D. Booth at Birkbeck College, London in the early 1950s. From 1943 on, he started working on the determination of crystal structures using X ray diffraction data. The… …
53Mission: Impossible — This article is about the original 1966–1973 television series. For other uses, see Mission: Impossible (disambiguation). Mission: Impossible Original series logo Genre Espionage Created by …
54PDP-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… …
55Bendix G-15 — The Bendix G 15 computer was introduced in 1956 by the Bendix Corporation, Computer Division, Los Angeles, California. It was about 5 by 3 by 3 ft (1.5m by 1m by 1m) and weighed about 950 lb (450 kg). The base system, without peripherals, cost… …
56Monotype System — The Monotype system is a set of two machines, the Monotype keyboard and the Monotype caster, which are used to typeset printed matter. A Monotype operator enters text on a Monotype keyboard, on which characters are arranged in the QWERTY… …
57Sound recording and reproduction — Sound recorder redirects here. For the audio recording program computer software, see Sound Recorder (Windows). Sound recording and reproduction is an electrical or mechanical inscription and re creation of sound waves, such as spoken voice,… …
58Electric motor — For other kinds of motors, see motor (disambiguation). For a railroad electric engine, see electric locomotive. Various electric motors. A 9 volt PP3 transistor battery is in the center foreground for size comparison. An electric motor converts… …
59Friden Flexowriter — The Friden Flexowriter, or flexowriter as on its nameplate, was a teleprinter, a heavy duty electric typewriter capable of being driven not only by a human typing, but also automatically by several methods including direct attachment to a… …
60literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… …
