Glossary 191
virtualization — The ability via software to share the resources of a single computer
across multiple environments. A single physical system may appear to the user as
multiple virtual systems able to host multiple operating systems.
W — Watt(s).
WH — Watt-hour(s).
XML — Extensible Markup Language. XML is a way to create common information
formats and to share both the format and the data on the World Wide Web, intranets,
and elsewhere.
ZIF — Zero insertion force.