Virtual cache
A cache which uses virtual address, i.e. it is between the processor and the memory management unit. A virtual cache cannot recognise external access to physical address, e.g. from DMA. The whole cache must be flushed when swapping between tasks which share same virtual address space.
(1994-11-30)
Read Also:
- Virtual cautery
virtual cautery vir·tu·al cautery (vûr’chōō-əl) n. See potential cautery.
- Virtual circuit
networking A connection-oriented network service which is implemented on top of a network which may be either connection-oriented or connectionless (packet switching). The term “switched virtual circuit” was coined needlessly to distinguish an ordinary virtual circuit from a permanent virtual circuit. (One of the perpetrators of this confusion appears to be [“Networking Essentials”, 1996, Microsoft […]
- Virtual circuit identifier
networking (VCID) An identifier used for the routing of a virtual circuit. An ATM switch may route according to a Virtual Circuit Identifier, a Virtual Path Identifier, or a combination. (2001-05-16)
- Virtual classroom
noun a mode of computer-based education whereby the teacher interacts with students either via video-conferencing, Internet broadcast, or email
- Virtual community
noun a group of people who interact via Internet Web sites, chat rooms, newsgroups, email, discussion boards or forums; also called [online community]