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| An Ethernet standard that operates at 100 Mbps and uses STP cabling. Also called Fast Ethernet. Variations of 100BaseT are 100BaseTX and 100BaseFX. |
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| An Ethernet standard that operates at 10 Mbps and uses small coaxial cable up to 200 meters long. Also called ThinNet. |
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| An Ethernet standard that operates at 10 Mbps and uses thick coaxial cable up to 500 meters long. Also called ThickNet. |
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| A protected processing mode used by Windows NT/2000/XP to process programs written in 32-bit code early in the boot process. |
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| Special video RAM designed to improve 3-D graphics simulation. |
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| 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. |
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| A device connected to a LAN that provides wireless communication so that computers, printers, and other wireless devices can communicate with devices on the LAN. |
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| ACPI (Advanced Configuration and Power Interface) |
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| Specification developed by Intel, Compaq, Phoenix, Microsoft, and Toshiba to control power on notebooks and other devices. Windows 98 and Windows 2000/XP support ACPI. |
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| A type of backplane system in which there is some circuitry, including bus connectors, buffers, and driver circuits, on the backplane. |
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| A Windows 2000 and Windows .NET directory database service that allows for a single point of administration for all shared resources on a network, including files, peripheral devices, databases, Web sites, users, and services. |
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| A type of video display that amplifies the signal at every intersection in the grid of electrodes, which enhances the pixel quality over that of a dual-scan passive matrix display. |
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| The primary partition on the hard drive that boots the OS. Windows NT/2000/XP calls the active partition the system partition. |
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| A type of terminator for single-ended SCSI cables that includes voltage regulators in addition to the simple resistors used with passive termination. |
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| 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. |
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