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The use of a computer eliminates manual intervention in preparing the perforated tape, in assessing the length of the lines, and even in deciding how to end them; i.e., whether by completing or dividing a word. Normally, the operator types out a continuous tape called idiot tape in the United States (kilometre tape in France) without concern for the length or division of lines. This band is inserted into the computer’s input device, a tape scanner, which operates by means of either electric sensors or photoelectric cells and converts letters, signs, and orders into combinations of electric impulses. The computer ...(100 of 26569 words)