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aplus chpt 6
terms
| Question | Answer |
|---|---|
| advanced configuration and power interface acpi | It establishes industry-standard interfaces for OS-directed configuration and power management on notebooks, desktops, and servers |
| back side bus | the portion of a processors internal bus that connects the processor to the internal memory cache. |
| c states | defined by acpi and used by a processor to stop its internal operations to conserve power. |
| case fan | a fan inside the computer case used to draw air out of or into the case |
| centrino | intel technology whereby the processor, chipset and wireless network adapter are all interconnected as a unit which improves laptop performance |
| chassis air guide | 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 | a feature of amd processors that 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 | a processor package that contains two core processors ,supporting four instructions at once |
| enhanced itel speed step technology | a processor feature used by intel that steps down pocessor frequency when the processor is idle to conserve power and lowers heat |
| execute disable bit | a processor security feaure by intl that prevents software from executing or reproducing itself to appear to be malicious |
| front side bus | system bus |
| heat sink | a piece of metal with cooling fins that can be attached to or mounted on an integrated chip,such as a cpu, to dissipate heat |
| hyper threading | intel technology that allows each logical processor within the processor package to handle an individusl 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 cpus internal components |
| level 1 cache | memory on the processor die used as a cache to improve processor performance |
| level 2 cache | memory in the processor package,but not on the processor die.memory is used as a cache or buffer to improve processor performance |
| level 3 cache | cache memory further from the processor core then the level 2 cache,but still in the processor package |
| liquid cooling system | method to cool overclock processors that uses a small pump inside the computer case and tubes that move water or other liquid around components and then away from to a place where fans can cool the 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 |
| microcode | a programming instruction that can be executed by a cpu without breaking the instruction down into simpler instructions. |
| multimedia extensions | |
| multi core processing | |
| multiplier | the factor by which the bus speed or frequency is multiplied to get the cpu clock speed |
| multiprocessor platform | a system that contains more than one processor.the motherboard has more then one processor socket and the processors must be rated to work in this multi processor environment |
| octo core | a processor package that contains eight cores and supports sixteen instructions at once |
| overclocking | running a processor at a higher frequency than is recommended by the manufacturer,which can result in an unstable environment |
| p states | standards established by acpi that define how processor frequency and voltage can be lowered to conserve power when the processor is not in use |
| power now | an amd technology that increases performance and lowers power requirements for processors |
| processor frequency | frequency at which the cpu operates,ususally in ghz |
| quad core | a processor package that contains four cores and supports eight instructions at once |
| s1 state | the acpi power saving mode where the hard drive and monitor are turned off and everything else runs normally |
| s2 state | the acpi power saving mode where the hard rive,monitor,and processor are turned off |
| s3 state | the acpi power saving mode where everything is shut down except ram and enough of the system to respond to a wake up call such as pressing the keyboard |
| s4 state | the acpi power saving mode where everything in ram is copied to a file on the hard drive and the system is shut down. |
| simd single instruction multiple data | a process that allows the cpu to execute a single instructiono simultaneously on multiple pieces of data,rather then by repetitive looping |
| sram static ram | ram chips that retain information without the need for refreshing,as long as the computers power is on |
| streaming simd extension sse | a cpu technology that allows the cpu to receive single instruction and then execute it on multiple pieces of data |
| sse2 | has a larger instrucion set |
| sse3 | a cpu instruction set that improved on the earlier sse2 instruction set |
| sse4 | a cpu instruction set that improved 3d imaging for gaming and improved performance with data mining applications over the earlier sse3 instruction set |
| static ram | ram chips that retain information without the need for refreshing,as long as the computers power is on |
| stop errors | an error at the kernel level that is severe enough to cause the operating system to stop all processess |
| thermal compound | a cream like 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 | a processor package that contains three core processors,thus supporting six instructions at once |
Created by:
cgeaski
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