BUS MASTER

Domain	Definition
Computing	Bus master The device in a computer which is driving the address bus and bus control signals at some point in time. In a simple architecture only the (single) CPU can be bus master but this means that all communications between ("slave") I/O devices must involve the CPU. More sophisticated architectures allow other capable devices (or multiple CPUs) to take turns at controling the bus. This allows, for example, a network controller card to access a disk controller directly while the CPU performs other tasks which do not require the bus, e.g. fetching code from its cache. Note that any device can drive data onto the data bus when the CPU reads from that device, but only the bus master drives the address bus and control signals. Direct Memory Access is a simple form of bus mastering where the I/O device is set up by the CPU to read from or write to one or more contiguous blocks of memory and then signal to the CPU when it has done so. Full bus mastering (or "First Party DMA", "bus mastering DMA") implies that the I/O device is capable of performing more complex sequences of operations without CPU intervention (e.g. servicing a complete NFS request). This will normally mean that the I/O device contains its own processor or microcontroller. See also distributed kernel. (1996-08-26). Source: The Free On-line Dictionary of Computing.
Source: compiled by the editor from various references; see credits.

Commercial Usage: BUS MASTER

Domain	Title
High Tech	SIIG Ap-10 Pro Fast SCSI PCI Bus Master INT 50Pin & EXT HD50 PC/Mac (reference) (more camera examples; more video game examples; more computer examples; more electronic examples; more software examples)
Source: compiled by the editor from various references; see credits.

Frequency of Internet Keywords: BUS MASTER

Anagrams: BUS MASTER

Scrabble® Enable2K-Verified Anagrams
	Words within the letters "a-b-e-m-r-s-s-t-u"
	-1 letter: abstruse.
	-2 letters: abusers, amusers, arbutes, assumer, basters, besmuts, breasts, bursate, busters, estrums, masseur, masters, matures, musters, mutases, rubasse, samburs, streams, strumae, strumas, surbase, tamburs.
	-3 letters: abuser, abuses, ambers, amuser, amuses, arbute, armets, assert, assume, assure, asters, barest, basest, basset, baster, bastes, beasts, beauts, besmut, breams, breast, brumes, brutes, burets, bursae, bursas, burses, bursts.
	Words containing the letters "a-b-e-m-r-s-s-t-u"
	+1 letter: bushmaster, submarkets.
	+2 letters: bushmasters, masturbates, subprimates.
	+3 letters: burgomasters, strabismuses.
	+4 letters: misattributes.
	+5 letters: bremsstrahlung, bureaucratisms, neuroblastomas, subatmospheric, subdepartments, subnormalities, superambitious.
Source: compiled by the editor from various references; see credits. SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro.

Alternative Orthography: BUS MASTER

Hexadecimal (or equivalents, 770AD-1900s) (references)

Leonardo da Vinci (1452-1519; backwards) (references)

Binary Code (1918-1938, probably earlier) (references)

HTML Code (1990) (references)

ISO 10646 (1991-1993) (references)

Encryption (beginner's substitution cypher): (references)

Expression	Frequency per Day
bus master via	13
intel 82371ab eb pci bus master ide controller	11
pci bus master	5
2000 bus master via win	5
ali bus master	3
bus master ide	3
bus master	2
bus master mode setting	2
bus master mode pci setting	2
32 64 bit bus master mode	2
Source: compiled by the editor from various references; see credits.

Specialty Definition: BUS MASTER