tabulating system
71Cryptanalysis 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… …
72UNIVAC — serves as the catch all name for the American manufacturers of the lines of mainframe computers by that name, which through mergers and acquisitions underwent numerous name changes. The company UNIVAC began as the business computer division of… …
73Computer data storage — 1 GB of SDRAM mounted in a personal computer. An example of primary storage …
74APEXC — 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… …
75Computer programming — Programming redirects here. For other uses, see Programming (disambiguation). Software development process Activities and steps …
76liquid — liquidly, adv. liquidness, n. /lik wid/, adj. 1. composed of molecules that move freely among themselves but do not tend to separate like those of gases; neither gaseous nor solid. 2. of, pertaining to, or consisting of liquids: a liquid diet. 3 …
77Time clock — Early 20th century time clock made by IBM. The face shows employee numbers which would be dialed up by employees entering and leaving the factory. The day and time of entry and exit was punched onto cards inside the box A time clock, sometimes… …
78Elliott Cresson Medal — given to Emile Berliner in 1913 Presented by Franklin Institute Country US …
79Lensman series — The Lensman series is a serial science fiction space opera by E. E. Smith. It was also the original source which introduced many innovative concepts into science fiction. In this sense the series was ground breaking and defined an entire genre.… …
80Lock Haven, Pennsylvania — Infobox Settlement official name = Lock Haven, Pennsylvania other name = native name = nickname = settlement type = motto = imagesize = image caption = Clinton County Courthouse in Lock Haven flag size = image seal size = image shield = shield… …
