| 1. | Each track can either contain 7-bit alphanumeric characters, or 5-bit numeric characters.
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| 2. | The second block of alphanumeric characters are the abbreviation of the company.
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| 3. | Typewriter : mechanical system for applying ink to paper, handling only alphanumeric characters.
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| 4. | Combinations of these alphanumeric characters are assigned as codes for various standardized messages.
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| 5. | The first alphanumeric characters indicate the country in which the vehicle is registered.
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| 6. | Businesses may choose to append four extra alphanumeric characters to their DUNS number.
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| 7. | A SIGAD consists of five to eight case insensitive alphanumeric characters.
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| 8. | There are instructions to transform digits to or from alphanumeric characters.
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| 9. | :The best passwords involve alphanumeric characters and numbers along with capital and lower-case letters.
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| 10. | The times and train numbers are in Latin alphanumeric characters.
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