This color US Navy training film is about basic computer techniques. This is a 1962 film based on the roman numeral copyright at the end. Opening credits: This US Navy Film has been adopted for department of the Army use. Unclassified. US Navy Training Film - DIGITAL COMPUTER TECHNIQUES (:08-:58). What are digital computers? Explanations are provided. Computers remember data and can fetch it in a fraction of a moment (:58-1:53). At 1:05 a Univac mainframe is shown. An ElectroData mainframe computer, built by Burroughs,  is shown at 1:08 (and later at 16:20). At 1:22, a group of " IBM Girls " monitors a mainframe. Computers no matter how complex are basically simple. A mother teaches her daughter how to count. Early ways of counting are explained (fingers, stones, etc.) (1:54-4:13). At 1:57 an RCA 501 data process system computer is shown. A rocket takes off and progress is explained as many images are shown (ships, planes, buildings, workers working, etc.). Different types of calculators are shown and explained. At 2;59 an abacus is used to count. At 3:06 John Napier's counting bones are shown and at 3:28 Pascal's calculator / adding machine is shown. At 4:00 the first slide rule is shown. Digital and analog are explained (4:14-6:16). The computer process is explained in steps: problem (data), program, input medium, computer, output medium, solution. The functions of the computer are then explained: add, subtract, multiply, divide, compare, sort, and find. Simplicity, multiplicity, and speed are explained. Off/on, Cut-off/conduct, low voltage/high voltage are explained in detail (6:17-10:24).  At 6:07 an IBM mainframe is shown, a true digital computer with electronic components. The Binary number system is discussed and shown. A card being hole punched shows more detail about this system (10:25-13:43). Inputting information into the computer storage (memory) and heading towards the output is shown in a diagram (13:44-15:47). A man is shown using a massive computer as our narrator explains how good computers are (15:48-16:26). End credits (16:27-16:46). Napier's bones is a manually-operated calculating device created by John Napier of Merchiston, Scotland for calculation of products and quotients of numbers. The method was based on lattice multiplication, and was also called Rabdology. We encourage viewers to add comments and, especially, to provide additional information about our videos by adding a comment!  See something interesting?  Tell people what it is and what they can see by writing something for example: "01:00:12:00 -- President Roosevelt is seen meeting with Winston Churchill at the Quebec Conference." This film is part of the Periscope Film LLC archive, one of the largest historic military, transportation, and aviation stock footage collections in the USA. Entirely film backed, this material is available for licensing in 24p HD, 2k and 4k. For more information visit http://www.PeriscopeFilm.com

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