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Unformatted text preview: T F 5. A one-to-one relationship exists when exactly one of the second entity occurs for each instance of the first entity. T F 6. Significant digit codes distinguish items by using a series of subgroups of digits. T F 7. A data clearinghouse is an integrated collection of data that can include seemingly unrelated information no matter where its stored in a company. T F 8. The basic elements of logical data are alphabetic or numeric characters such as the letter A or the number 9. T F 9. Unicode is a relatively recent coding method that represents characters as integers. T F 10. An absolute date is an estimation of the total number of days from some specific base date....
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- Spring '11