Hardware Support CH7-9 Vocab

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Hardware Support CH7-9 Vocab
2012-03-21 01:10:39

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  1. Improved on EDO, but was rarely used. You might encounter it on some 72-pin SIMMs or 168-pin DIMMs
    Burst EDO (BEDO)
  2. A method of measuring access timing to memory, which is the number of clock cycles required to write or read a row of data off a memory module. CAS stands for Column Access Strobe.
    CAS Latency (CL)
  3. A placeholder RIMM module that provides continuity so that every RIMM slot is filled.
    C-RIMM (Continuity RIMM)
  4. An improved version of SDRAM
  5. A version of SDRAM that is faster than DDR and uses less power
  6. An improvement over DDR and DDR2 that is faster and uses less power
  7. A memory technology by Rambus and Intel that uses a narrow network-type system bus. Memory is stored on a RIMM module. Also called RDRAM or Direct RDRAM
    Direct Rambus DRAM
  8. A type of memory technology used on DIMMs that runs at twice the speed of the system clock
    Double Data Rate SDRAM
  9. A DIMM with memory chips installed on both sides of the module
  10. A motherboard feature that improves memory performance by providing two 64-bit channels between memory and the chipset.
    dual channels
  11. Double-sided DIMMs that provide two 64-bit banks
    dual ranked
  12. A chipset feature on a motherboard that checks the integrity of data stored on DIMMs or RIMMs and can correct single-bit errors in a byte. More advanced can detect, but not correct, double-bit errors in a byte
    ECC (error-correcting code)
  13. A type of outdated RAM that was faster than conventional RAM because it eliminated the delay before it issued the next memory address
    EDO (extended data out)
  14. Can be used with 30-pin or 72-pin SIMMs or some really old 168-pin DIMMs.
    FPM (fast page memory)
  15. A Windows error that occurs when a program attempts to access a memory address that is not available or is no longer assigned to it
    General Protection Fault (GPF)
  16. The memory a processor addresses at one time and is 64 bits wide
    memory bank
  17. An error-checking scheme in which a ninth, or "parity," bit is added. The value of the parity bit is set to either 0 or 1 to provide an even number of ones for even parity and an odd number of ones for odd parity
  18. An error that occurs when the number of 1s in the byte is not in agreement with the expected number.
    parity error
  19. A method of measuring access timing to memory, which is the number of clock cycles required to write or read a row of data off a memory module.
    RAS (Row Access Strobe) Latency
  20. Chips that have been used and returned to the factory, marked again, and resold. The surface of the chips may be dull or scratched.
    re-marked chips
  21. An outdated type of DRAM with 184 pins.
  22. An outdated type of DRAM with 72 or 30 pins
    SIMM (single inline memory module)
  23. A DIMM in which the memory controller can only access one DIMM at a time
    Single channel
  24. Single-sided DIMMs providing only one 64-bit bank
    single ranked
  25. A DIMM with memory chips installed on one side of the module
  26. a smaller version of a DIMM used on laptops
    SO-DIMM (small outline DIMM)
  27. The first DIMM to run synchronized with the system clock. It has two notches, and uses 168 pins
    synchronous DRAM (SDRAM)
  28. Accessing three DIMMs at the same time.
    triple channels
  29. An IDE cable that has 40 pins but uses 80 wires, 40 of which are ground wires designed to reduce crosstalk on the cable
    80-conductor IDE cable
  30. A nonprofit organization dedicated to creating trade and communications standards
    ANSI (American National Standards Institute)
  31. An interface standard, part of the IDE/ATA standards, that allows tape drives, CD-ROM drives, and other drives to be treated like an IDE hard drive by the system.
    ATAPI (Advanced Technology Attachment Packet Interface)
  32. A feature of system BIOS and hard drives that automatically identifies and configures a new drive in CMOS setup
  33. A single hard drive that works independently of other hard drives
    basic disk
  34. A method of data transfer between hard drive and memory that allows multiple data transfers on a single software interrupt
    block mode
  35. One or more sectors that constitute the smallest unit of space on a disk for storing data (also referred to as a file allocation unit).
  36. A transfer mode used by devices, including the hard drive, to transfer data to memory without involving the CPU
    DMA (direct memory access) transfer mode
  37. A standard for managing the interface between secondary storage devices and a computer system. A system can support up to six serial ATA and parallel ATA IDE devices or up to four parallel ATA IDE devices such as hard drives, CD-ROM drives, and DVD drives.
    EIDE (Enhanced IDE)
  38. An extended partition can be divided into one or more logical drives. Each logical drive is assigned a drive letter (such as drive G:) and is formatted using its own file system
    extended partition
  39. standard that specifies full SATA cabling for external disks
    external SATA (eSATA)
  40. The 12-bit wide, one-column file allocation table for a floppy disk, containing information about how each cluster or file allocation unit on the disk is currently used
  41. Another term for a cluster
    file allocation unit
  42. A computer's ability to respond to a fault or catastrophe, such as a hardware failure or power outage, so that data is not lost
    fault tolerance
  43. A table on a hard drive or floppy disk that tracks how space on a disk is used to store files
    file allocation table (FAT)
  44. A cluster in the file allocation table (FAT).
    file allocation unit
  45. The overall structure an OS uses to name, store, and organize files on a drive. In a file system, a cluster is the smallest unit of space on a disk for storing a file and is made up of one or more sectors.
    file system
  46. The firmware that controls access to a hard drive contained on a circuit board mounted on or inside the hard drive housing. Older hard drives used firmware on a controller card that connected to the drive by way of two cables, one for data and one for control
    hard drive controller
  47. The top or bottom surface of one platter on a hard drive. Each platter has two
  48. Formatting performed by means of the DOS or Windows Format program (for example, FORMAT C:/S creates the boot record, FAT, and root directory on drive C and makes the drive bootable). Also called OS formatting
    high-level formatting
  49. The circuit board that controls a SCSI bus supporting as many as seven or fifteen separate devices. controls communication between the SCSI bus and the PC
    host adapter
  50. A hard drive whose disk controller is integrated into the drive, eliminating the need for a controller cable and thus increasing speed, as well as reducing price.
    IDE (Integrated Device Electronics)
  51. A drive that uses both solid state and magnetic technologies
    hybrid hard drive
  52. A number assigned to a logical device (such as a tray in a CD changer) that is part of a physical SCSI device, which is assigned a SCSI ID
    Logical Unit Number (LUN)
  53. A process (usually performed at the factory) that electronically creates the hard drive tracks and sectors and tests for bad spots on the disk surface
    low-level formatting
  54. An older IDE cabling method that uses a 40-pin flat data cable or an 80-conductor cable and a 40-pin IDE connector. See also serial ATA
    parallel ATA
  55. A transfer mode that uses the CPU to transfer data from the hard drive to memory. slower than DMA mode
    PIO (Programmed Input/Output) transfer mode
  56. A sealed, magnetic coil device that moves across the surface of a disk either reading data from or writing data to the disk
    read/write head
  57. Windows Vista technology that supports a hybrid drive
  58. A fast interface between a host adapter and the CPU that can daisy chain as many as 7 or 15 devices on a single bus
    SCSI (Small Computer System Interface)
  59. A number from 0 to 15 assigned to each SCSI device attached to the daisy chain
  60. commonly called the host adapter. The host adapter is inserted into an expansion slot on the motherboard and is responsible for managing all devices on the SCSI bus. A host adapter can support both internal and external SCSI devices, using one connector on the card for a ribbon cable or round cable to connect to internal devices, and an external port that supports external devices.
    SCSI host adapter card
  61. An ATAPI cabling method that uses a narrower and more reliable cable than the 80-conductor cable. See also parallel ATA
    serial ATA (SATA)
  62. An IDE cable that is narrower and has fewer pins than the parallel IDE 80-conductor cable.
    serial ATA cable
  63. A self-monitoring technology whereby the BIOS monitors the health of the hard drive and warns of an impending failure.
    S.M.A.R.T. (Self-Monitoring Analysis and Reporting Technology)
  64. The resistor added at the end of a SCSI chain to dampen the voltage at the end of the chain.
    terminating resistor
  65. The primary partition. The volume is assigned a drive letter (such as drive C: or drive D:) and is formatted using a file system.
  66. An input device that inputs biological data about a person; the data can identify a person's fingerprints, handprints, face, voice, eye, and handwriting.
    Biometric device
  67. A condition in which chips loosen because of thermal changes
    chip creep
  68. The number assigned a serial port that determines the system resources used by the port.
    COM1 (communications port 1)
  69. An older technology used by monitors in which the filaments at the back of a cathode tube shoot a beam of electrons to the scrren at the front of the tube.
    CRT (cathode-Ray Tube)
  70. A button on a CRT monitor that can be pressed to eliminate accumulated or tray magnetic fields around the monitor which can cause CRT monitor to flicker or have wavy lines
    Degauss button
  71. A DVI (Digital Visual Interface) viseo port that works only with digital monitors
  72. A DVI video port that supports both anolog and digital monitors
  73. A Windows command to display info about hardware and diagnose problems with DirectX
  74. A bedirectional parallel port mode that uses a DMA channel to speed up data flow.
    ECP (Extended Capabilities Port)
  75. "Green" systems that satisfy the EPA requirements to decrease the overall consumption of electricity
    Energy Star
  76. A parallel port that allows data to flow in both directions and is faster than original ports on PCs that allow communication only in one direction.
    EPP (Enhanced Parallel Port)
  77. A device used to house and protect a hard drive outside the computer case and connect it to on eSATA, USB, or other type of port on the computer. Also called a toaster
    hard drive dock
  78. A digital audio and viseo interface dtandard currently used on televisions and other home theater equipment and expencted to ultimately replace DVI.
    HDMI (High-Definition Multimedea Interface)
  79. A network device or box that provides a central location to connect cables and sidtributes incoming data packets to all other devices connected to it,
  80. A standard for parallel ports and cables developed bu the Institute for Electrical and Electronics Engineers an dsupported bu hardware manufacturers.
    IEE 1284
  81. Standards for an expansion bus that can also be configured to work as a local bus. It is expected to replace tha SCSI bus, providing an easy method to install and configure fast I/O devices. Also called FireWire and i.Link
    IEEE 1394
  82. A standard, developed by the 1394 Trade Assiciation, 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
    IEE 1394.3
  83. A wireless transceiver that uses infrared technology to support some wireless devices such as keyboards, mice, and printers.
    Infrared tranceiver
  84. A line on a bus that is assigned to a device and is used to signal the CPU for servicing. These lines are assigned a reference number
    IRQ (Interrupt ReQuest) Line
  85. A method used by the IEEE 1394 and other technologies to transfer data continuously without breaks.
    isonchronous data transfer
  86. A switch allows you to use one keyboard, mouse, and monitor for multiple computers.
    KVM (Keyboard, Video, and Mouse) Switch
  87. A monitor that uses LCD technology. Prodices an image using a liquid crystal material made of large, easily polarized meloecules. Flatter than CRT and take up less space.
    • LCD (Liquid Crystal Display) Monitor
    • or
    • flat-panel monitor
  88. Assignments of system resources that are made to a parallel port and that are used to manage a print job.
    LPT (Line Printer Terminal)
  89. The actual (and fixed) number of pixels built into a LCD monitor.
    Native Resolution
  90. A type of display in which the electronic beam of a CRT monitor draws every line on the screen with each pass