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TermDefinition
Advanced Configuration and Power Interface(ACPI) Specification developed by Intel, Compaq, Phoenix, Microsoft, and Toshiba to control power on computers and other devices.
back-side bus (BSB) The portion of the internal bus that connects the processor to the internal memory cache.
case fan A fan inside a computer case used to draw air out of or into the case.
Centrino A technology used by Intel whereby the processor, chipset, and wireless network adapter are all interconnected as a unit which improves laptop performance.
chassis air guide (CAG) a round air duct that helps to pull and direct fresh air from outside a computer case to the cooler and processor.
Cool’n’Quiet by AMD lowers power requirements and helps keep a system quiet.
Cooler A combination cooling fan and heat sink mounted on the top or side of a processor to keep it cool.
DRAM The most common type of system memory, it requires refreshing every few milliseconds.
dual-core processing Multi-core processing with two cores. Supports four instructions at once.
Enhanced Intel SpeedStep Technology (EIST) by Intel steps down processor frequency when the processor is idle to conserve power and lower heat.
Execute disable bit by Intel is a security feature that prevents software from executing or reproducing itself if it appears to be malicious.
front-side bus (FSB) The data portion of the external bus is 64 bits wide.
heat sink A piece of metal, with cooling fins, that can be attached to or mounted on an integrated chip (such as the CPU) to dissipate heat.
hyper-threading The Intel Technology that allows each logical processor within the processor package to handle an individual thread in parallel with other threads being handled by other processors within the package.
hyper transport The AMD technology that allows each logical processor within the processor package to handle an individual thread in parallel with other threads being handled by other processors within the package.
internal bus The bus inside the CPU that is used for communication between the CPU's internal components.
Level 1 (L1) cache Memory on the processor die.
Level 2 (L2) cache Memory in the processor package, but not on the processor die.
Level 3 (L3) cache Some processors use a third cache farther from the processor core, but still in the processor package.
liquid cooling system A small pump inside the computer case and tubes that move water or other liquid.
memory cache a small amount of faster RAM that stores recently retrieved data, in anticipation of what the CPU will request next, thus speeding up access.
MMX (Multimedia Extensions) Multimedia instructions built into Intel processors to add functionality such as better processing of multimedia, SIMD support, and increased cache.
multi-core processing A processor technology whereby the processor housing contains two or more processor cores that operate at the same frequency, but independently of each other.
multiplier The factor by which the bus speed or frequency is multiplied to get the CPU clock speed.
multiprocessor A system that contains more than one processor.
octo core supports sixteen instructions.Eight cores.
overclocking Running a motherboard or processor at a higher speed than the manufacturer recommends.
PowerNow! by AMd increases performance and lowers power requirements.
processor frequency The speed at which the processor operates internally.
quad core supports eight instructions at once. four cores.
S1 state Hard drive is turned off and everything else runs normally. Sleep mode.
S2 state The hard drive, monitor, and processor are turned off.
S3 state Everything is shut down except RAM.
static RAM (SRAM) RAM chips that retain information without the need for refreshing, as long as the computer's power is on. They are more expensive than traditional DRAM.
stop errors An error at the kernel level that is severe enough to cause the operating system to stop all processes.
thermal compound a creamlike substance that is placed between the bottom of the cooler heatsink and the top of the processor to eliminate air pockets and to help to draw heat off the processor.
triple core supports six instructions at once. Three cores.
Created by: tjmaciocha