Multiple choice technology mainframe How does sign stored in Zoned Decimal? Sign is stored as a hex value in the last nibble (4 bits ) of the storage. Sign is stored as a hex value in the first nibble (4 bits ) of the storage. Sign is over punched with the numeric value stored in the last byte. Sign is over punched with the numeric value stored in the first byte. Reveal answer Fill a bubble to check yourself C Correct answer Explanation In Zoned Decimal format (used in mainframe systems), the sign is overpunched (combined) with the numeric value in the last byte of the field to save storage space.