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1,000,000 subscribers. Last updated: August 7, 2024. Cody Garrett (also known as Donut Operator) is an American influencer and former police officer. He served at the Spartanburg Police Department, South Carolina, for two years until 2017, and has since blogged about law-enforcement on his YouTube channel. [2][3][4]
A barcode reader or barcode scanner is an optical scanner that can read printed barcodes and send the data they contain to computer. [1] Like a flatbed scanner, it consists of a light source, a lens, and a light sensor for translating optical impulses into electrical signals. Additionally, nearly all barcode readers contain decoder circuitry ...
A barcode or bar code is a method of representing data in a visual, machine-readable form. Initially, barcodes represented data by varying the widths, spacings and sizes of parallel lines. These barcodes, now commonly referred to as linear or one-dimensional (1D), can be scanned by special optical scanners, called barcode readers, of which ...
An IBM 80-column punched card of the type most widely used in the 20th century IBM 1442 card reader/punch for 80 column cards. A computer punched card reader or just computer card reader is a computer input device used to read computer programs in either source or executable form and data from punched cards.
Operators compiling hydrographic data for navigation charts on punch cards using the IBM Type 016 Electric Duplicating Key Punch, New Orleans, 1938. A keypunch is a device for precisely punching holes into stiff paper cards at specific locations as determined by keys struck by a human operator. Other devices included here for that same function ...
Documation was an American Stock Exchange -listed computer hardware manufacturer [ 1] founded in 1969 [ 2] in Melbourne, Florida that went public in 1976. [ 3] They made ( punched card) card readers used in some American elections 3 decades later. [ 4] They also produced Impact Line printers.
The IBM 1401 is a variable-wordlength decimal computer that was announced by IBM on October 5, 1959. The first member of the highly successful IBM 1400 series, it was aimed at replacing unit record equipment for processing data stored on punched cards and at providing peripheral services for larger computers. [1]
Paper tape reader on the Harwell computer with a small piece of five-hole tape connected in a circle – creating a physical program loop. Punched tape or perforated paper tape is a form of data storage device that consists of a long strip of paper through which small holes are punched. It was developed from and was subsequently used alongside ...