This glossary contains industry standard and City specific IT terminology. The glossary
should be consulted when policy, issue papers, etc. are drafted to ensure consistent use of terms across the City.
Zip® Disks, introduced by the Iomega corporation, have become a de-facto
standard for transportable data storage. Being physically a little large than a
3.5' floppy disk, and yet able to store 250MB (or 100MB in older versions),
makes the Zip® Disk an excellent choice for both transportable media and also
However, it is precisely because such large amounts of data may be
easily copied and transported, that the use of such devices needs to be
carefully controlled within the organization. Please be aware that, only 10
years ago, 250MB was equivalent to the total storage capacity of most
organization's data, and whilst this may appear small by today's standards, it's
capacity ensure that ensure client databases, product details, plans and charts
etc, can be reliably copied onto a disk that fits into a shirt pocket.