IT Foundations - C393

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36. 37. X

23 terms Hyp frontside busSignal pathway for communication between CPU and memory backside busSignal pathway between CPU and L2 or L3 cache frontside busWhere cache is placed if no backside bus exists ATXLargest motherboard form factor, puts the processor and memory in line with the fan output of the power supply, allowing the processor to run cooler micro ATXFollows the ATX principle of component placement for enhanced cooling but with a smaller footprint, fits into ATX cases ITXFamily of small motherboard form factors with mini-, nano-, pico-, and mobile- categories.SouthbridgeThis is in charge of anything other than CPU, memory and cache, and PCIe SODIMM and MicroDIMMForm factors for laptop memory L1 cacheTerm for cache memory built into the processor L2 cacheTerm for cache memory external to the processor, possibly physically close by L3 cacheTerm for cache memory on the motherboard, when the processor already has external cache

firmwareThe name given to any software that is encoded in hardware, usually on ROM, and run without extra instructions from the operating system option ROMsAnother term for things like the SCSI BIOS and video BIOS Parity checkingA rudimentary memory error-checking scheme that offers no error correction 1How many bits can ECC memory correct?single-sided memoryMemory modules with chips on just one side double-sided memoryMemory modules with chips on both sides, which the memory controller must switch between buffered or registered memory modulesThese memory modules include specialized chips that act as buffers for all signals from the memory controller, except, in some cases, the data signals Load-reduced DIMMsA form of registered DIMMs that increase performance by maintaining parallel communication onboardTerm for connectors included on the motherboard off boardTerm for connectors not on the motherboard, but residing on adapter cards drive interfaceName for the connector on the motherboard or adapter card that connects via cable to the hard drive 3mMax cable length of USB 1 5mMax cable length of USB 2 3mMax cable length of USB 3 (hub count * max cable length) + max cable length Formula for calculating max USB cable length with hubs 127Max number of USB devices per host 4.5mMax FireWire 400 cable length 63Maximum number of FireWire devices per bus 72mMaximum distance between FireWire devices 15mMax passive HDMI cable length

30mMax active HDMI cable length (hint: double passive HDMI length)

3mMax passive DisplayPort cable length

33mMax active DisplayPort cable length (11 times passive cable length) 3mMax Thunderbolt cable length 6How many levels deep can a Thunderbolt daisy chain extend?greenMouse PS/2 port color purpleKeyboard PS/2 port color IEEE 1284Name of the standard for the parallel port TN (Twisted nematic)Faster, less expensive LCD manufacturing method. Uses power to display black pixels.IPS (In-plane switching)LCD manufacturing method regarded as having best color representation at all angles. Does not use power to display black pixels.active matrixLCD addressing technology using a transistor for each pixel. Crisp image but requires a lot of power.passive matrixLCD addressing technology with a matrix of conductive traces instead of transistors for each pixel. Muddy image but requires less power.dual scanLCD addressing technology that's a variant of passive matrix, splitting the display into halves that are refreshed separately 1024x768 256 colorsFinal resolution and color count of Super VGA (8-bit color) 800x600 16 colorsInitial resolution and color count of Super VGA (4-bit color) XGA (eXtended Graphics Array)VGA successor capable of 256 colors at 1024x768 interlaced or 65,536 colors at 800x600 progressive

WLetter used to indicate wide screen 16:10 video technology (e.g., WSXGA)

QLetter used to indicate width and height in a video technology were doubled, effectively quadrupling the count HLetter used to indicate width and height in a video technology were quadruplued, effectively giving 16x the pixels thick clientA standard computer system multicore CPU, high end video, maximum RAMRequired enhancements for a workstation dedicated to graphic and CAM/CAD design Specialized audio and video card, large fast hard drive, dual monitors Required enhancements for a workstation dedicated to audio and/or video editing

Maximum RAM and CPU coresRequired enhancements for a virtualization workstation Multicore CPU, high end video, high def sound card, high end cooling Required enhancements for a gaming PC Surround sound, HDMI, HTPC form factor, TV tuner Required enhancements for a home theater PC Runs desktop apps, meets recommended OS requirements Required enhancements for standard thick client Runs basic apps, meets minimum OS requirements, network connectivity Required enhancements for a thin client media streaming, file and print sharing, gigabit NIC, RAID array Required enhancements for a home server PC scatternetTerm for a network of piconets with one or more devices acting as a bridge dedicated serverTerm for server assigned to provide specific applications or services for the network and nothing else nondedicated serverTerm for servers assigned to provide one or more network services and local access (like a workstation role) workgroupsPeer-to-peer networks are also referred to as this domainsClient/server networks are known as this domain controllerTerm for server in charge of security in a domain RG-6Coax with 1mm core and 1000ft lengths, used with Satellite/cable TV, supports digital signals RG-59Coax with 0.762mm core, 750fl length, used with old analog cable TV 55mCat6 max distance 100mCat6a max distance Class FAnother name for Cat7 100mStandard max transmission distance for UTP cabling MultimodeFiber type used for horizontal cabling?single modeFiber type used for backbone cabling?RG-8Cable type used with ThickNet