Z

Return to Glossary.

zero suppression

The substitution of blanks for leading zeros in a number. For example, 00057 becomes 57 with zero suppression.

zoned decimal format

A format for representing numbers in which the digit is contained in bits 4 through 7 and the sign is contained in bits 0 through 3 of the least significant byte; bits 0 through 3 of all other bytes contain 1's (hex F). For example, in zoned decimal format, the decimal value of +123 is represented as 1111 0001 1111 0010 1111 0011. See also packed decimal format.

zone transfer

The act of a secondary name server obtaining domain information from a master name server.

zone width

The number of positions to the left of the right margin in which to end words.

zoom

To progressively increase or decrease the size of a part of an image on a display or window.

Z-order

In VisualAge® RPG, the order in which controls are placed on other controls. This order determines the relationship between controls.