Alan Freedman -- The Computer Language Company - Computer Desktop Encyclopedia
Computer Desktop Encyclopedia
Longest-Running Tech Reference on the Planet

A CDE Definition

You'll love The Computer Desktop Encyclopedia (CDE) for Tech Term of the Day (TTOD)


virtual copy

A temporary view of data on screen. Like everything in memory (RAM), the virtual copy vanishes when the application is closed. The term implies that the data cannot be saved and end up as a duplicate file. See copy data management.

copy data management

The centralized control of the data generated by the applications in the company. Copy data management (CDM) captures all production data at their many sources and manages a single copy of everything in one global data pool. After the initial data are stored, only incremental changes are saved. Also called "copy data virtualization" (CDV), CDM eliminates redundancies and provides a single management console for setting copy frequency and retention time for all the types of data. Boston-based Actifio ( was the pioneer in this field. See copy data.

Personal Use Only

Before/After Your Search Term
virtual buttonvirtual core
virtual call centervirtual corporation
virtual cardvirtual credit card
virtual circuitvirtual currency
virtual collaborationvirtual data room
virtual communityvirtual database
virtual companionvirtual datacenter
virtual companyvirtual desktop
virtual computingvirtual desktop infrastructure
virtual connectionvirtual desktop services

Terms By Topic
Click any of the following categories for a list of fundamental terms.
Computer Words You Gotta KnowSystem design
Job categoriesUnix/Linux
Interesting stuffPersonal computers
InternetIndustrial Automation/Process Control
Communications & networkingAssociations/Standards organizations
HistoryDesktop publishing
ProgrammingHealthcare IT
System design