How to use keyboard operator in a sentence? Find typical usage patterns (collocations)/phrases/context for "keyboard operator" and check conjugation/comparative form for "keyboard operator". Mastering all the usages of "keyboard operator" from sentence examples published by news publications.
A keyboard operator would input a text by punching holes into a paper ribbon which was then fed into a casting machine, allowing entire passages to be composed at once, in order and ready to print from.
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WP 34S with parallel operator (`∥`) on the key. Suggested already by Kent E. Erickson as a subroutine in digital computers in 1959, the parallel operator is implemented as a keyboard operator on the Reverse Polish Notation (RPN) scientific calculators WP 34S since 2008 as well as on the WP 34C and WP 43S since 2015, allowing to solve even cascaded problems with few keystrokes like .
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The keyboard operator types the copy, each key punching holes in a roll of paper tape that will control the separate caster. A drum on the keyboard indicates to the operator the space required for each line. This information is also punched in the paper. Before fitting the tape to the caster it is turned over so that the first holes read on each line set the width of the variable space.
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The name refers to the fact that the coil spring tensed between the keycap and a pivoting hammer buckles, i.e. kinks or collapses, at a certain point in its downward traverse, providing auditory and tactile feedback to the keyboard operator. Upon buckling, the hammer is pivoted forward by the spring and strikes an electrical contact which registers the key press. In a Model M, the electrical contact is a membrane sheet similar to that of a modern dome switch keyboard.
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Postcodes are used to sort letters to their destination either manually, where sorters use labelled frames, or increasingly with letter-coding systems, where machines assist in sorting. A variation of automated sorting uses optical character recognition (OCR) to read printed postcodes, best suited to mail that uses a standard layout and addressing format. A long string of "faced" letters (i.e. turned to allow the address to be read) is presented to a keyboard operator at a coding desk, who types the postcodes onto the envelopes in coloured phosphor dots.
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A Monotype keyboard; the tape reel being produced is at the top A Monotype keyboard allows a keyboard operator to prepare a perforated paper tape, called ribbon, that will direct the casting of type separately from its actual casting. The keyboard on which the operator types is removable, as is a set of keybars under the keys; the keybars, corresponding to each key, determine which holes will be punched in the tape. During operation, two sets of keys and keybars are placed in two side-by-side trays on the keyboard. The keybars are adjustable, so that the coding of the keys can be changed.
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