Programs obtain data values or programming instructions {input, computer} by opening and reading files. Input devices include magnetic tape, magnetic disk, magnetic drum, card reader, microfilm, microfiche, keytape from typewriter to tape, paper-tape reader, mark-sense reader, optical character recognition {optical character recognition} (OCR), cathode ray terminal, data cells, magnetic card, diskette, floppy disk, and flash memory card.
Mathematical Sciences>Computer Science>Hardware>Input-Output
3-Computer Science-Hardware-Input-Output
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Date Modified: 2022.0224