Term:	100BaseFX
ID:	10941
Source:	GeekGlossary.com (v1)
Date Added:	04/12/03
Definition:	A variation of 100BaseT that supports fiber optic cable.

Term:	100BaseT
ID:	10942
Source:	GeekGlossary.com (v1)
Date Added:	04/12/03
Definition:	An Ethernet standard that operates at 100 Mbps and uses STP cabling (shielded twisted pair). Also called Fast Ethernet. Variations of 100BaseT are 100BaseTX and 100BaseFX.

Term:	100BaseT4
ID:	10944
Source:	GeekGlossary.com (v1)
Date Added:	04/12/03
Definition:	Fast Ethernet that runs over four pairs of wires.

Term:	100BaseTX
ID:	10943
Source:	GeekGlossary.com (v1)
Date Added:	04/12/03
Definition:	The predominant form of Fast Ethernet. 100BaseTX runs over two pairs of wires in category 5 cable.

Term:	10Base2
ID:	10945
Source:	GeekGlossary.com (v1)
Date Added:	04/12/03
Definition:	An Ethernet standard that operates at 10Mbps and uses small coaxial cable (RG58 or similar) up to 200 meters long per segment. Also called ThinNet. The "10" means 10 Mbps, "base" means "baseband" as opposed to radio frequency and "2" means a maximum single cable length of 200m.

Term:	10Base5
ID:	10946
Source:	GeekGlossary.com (v1)
Date Added:	04/12/03
Definition:	An Ethernet standard that operates at 10Mbps and uses a thick coaxial cable (RG8 or similar) up to 500 meters long per segment. Also called ThickNet. An Ethernet network cabling specification operating at ten Mbps, "baseband" (as opposed to radio frequency), and with a maximum single cable length of 500 meters.

Term:	1394.3
ID:	10488
Source:	GeekGlossary.com (v1)
Date Added:	03/04/03
Definition:	A new standard, developed by the 1394 Trade Association, that is designed for peer-to-peer data transmission and allows imaging devices to send images and photos directly to printers without involving a computer.

Term:	3-D RAM
ID:	10489
Source:	GeekGlossary.com (v1)
Date Added:	03/04/03
Definition:	Special video RAM designed to improve 3-D graphics simulation.

Term:	80 conductor IDE cable
ID:	10687
Source:	GeekGlossary.com (v1)
Date Added:	03/20/03
Definition:	An IDE cable that has 40 pins but uses 80 wires, 40 of which are ground wires designed to reduce crosstalk on the cable. The cable is used by ATA/66, ATA/100, and ATA/133 IDE drives.

Term:	A-cable [A cable]
ID:	10728
Source:	GeekGlossary.com (v1)
Date Added:	03/26/03
Definition:	50-pin, narrow SCSI cable; available in low and high density configurations

Term:	Active Backplane
ID:	10252
Source:	GeekGlossary.com (v1)
Date Added:	02/24/03
Definition:	A type of backplane system in which there is some circuitry, including bus connectors, buffers, and driver circuits, on the backplane.

Term:	Active Matrix
ID:	10440
Source:	GeekGlossary.com (v1)
Date Added:	03/02/03
Definition:	A type of LCD video display that amplifies the signal at every intersection in the grid of row and column electrodes, which enhances the pixel quality over that of a dual-scan passive matrix display.

Term:	active partition
ID:	10688
Source:	GeekGlossary.com (v1)
Date Added:	03/20/03
Definition:	The primary partition on the hard drive that boots the OS. Windows NT/2000/XP calls the active partition the system partition.

Term:	Active Terminator
ID:	10730
Source:	GeekGlossary.com (v1)
Date Added:	03/26/03
Definition:	A type of terminator for single-ended SCSI cables that includes voltage regulators in addition to the simple resistors used with passive termination.

Term:	adapter address
ID:	10947
Source:	GeekGlossary.com (v1)
Date Added:	04/12/03
Definition:	Also called a MAC (Media Access Control) address. A 12-character value that uniquely identifies a NIC and is assigned by manufacturers. The address often is printed on the adapter. An example is 00 00 0C 08 2F 35. Also called a physical address.

Term:	adapter card
ID:	10689
Source:	GeekGlossary.com (v1)
Date Added:	03/20/03
Definition:	A small circuit board inserted in an expansion slot and used to communicate between the system bus and a peripheral device. Also called an interface card.

Term:	address bus
ID:	10038
Source:	GeekGlossary.com (v1)
Date Added:	11/07/02
Definition:	Lines on the system bus used by the CPU to communicate memory addresses and I/O addresses to the memory controller and I/O devices.

Term:	Advanced Transfer Cache (ATC)
ID:	10396
Source:	GeekGlossary.com (v1)
Date Added:	02/27/03
Definition:	A type of L2 cache contained within the Pentium processor housing that is embedded on the same core core processor die as the CPU itself.

Term:	Alternating Current (AC)
ID:	10253
Source:	GeekGlossary.com (v1)
Date Added:	02/24/03
Definition:	Current that cycles back and forth rather than traveling in only one direction. In the U.S., the AC voltage from a standard wall outlet is normally between 100 and 115 VAC. In Europe, the standard AC voltage from a wall outlet is 220 VAC.

Term:	Ammeter
ID:	10254
Source:	GeekGlossary.com (v1)
Date Added:	02/24/03
Definition:	A meter that measures electrical current in amps.

Term:	Ampere or Amp (A)
ID:	10255
Source:	GeekGlossary.com (v1)
Date Added:	02/24/03
Definition:	A unit of measurement for electrical current. One volt across a resistance of one ohm will produce a flow of one amp.

Term:	amplifier repeater
ID:	10948
Source:	GeekGlossary.com (v1)
Date Added:	04/12/03
Definition:	A repeater that does not distinguish between noise and signal; it amplifies both.

Term:	AMR (audio/modem riser)
ID:	10884
Source:	GeekGlossary.com (v1)
Date Added:	04/11/03
Definition:	A specification for a small slot on a motherboard to accommodate an audio or modem riser card. A controller on the motherboard contains some of the logic for the audio or modem functionality.

Term:	ANSI (American National Standards Institute)
ID:	10690
Source:	GeekGlossary.com (v1)
Date Added:	03/20/03
Definition:	A nonprofit organization dedicated to creating trade and communications standards.

Term:	ASCII (American Standard Code for Information Interchange)
ID:	10039
Source:	GeekGlossary.com (v1)
Date Added:	11/07/02
Definition:	A popular standard for writing letters and other characters in binary code. Originally, ASCII characters were 7 bits, so there were 127 possible values. ASCII has been expanded to an 8-bit version, allowing 128 additional values. Click here for an ASCII Codes Table.