Data Input & Output

Keypunch used to be the only data input option, but now we have others that can be chosen for their appropriateness to specific tasks. For example, telephone survey data can be entered by keyboard, but voice recognition software might be considered if the responses were primarily yes/no answers. For printed questionnaires, keyboard input is necessary unless only the image of the questionnaire is needed (not data committed to individual fields in a database); then, the questionnaires can be scanned into the system. If the questionnaire data can be retrieved via computer, an electronic form could be used so that as data is typed in on the computer, it is automatically stored in the proper fields.

Bank checks are "read" by an optical character recognition (OCR) scanner and then captured into the computer system by special computer-assisted encoding facilities. Retail tags can display bar codes that ar

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Approximate Word count = 1175
Approximate Pages = 5 (250 words per page)

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