A+ Practice 1

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Author:
esmenikmati
ID:
163622
Filename:
A+ Practice 1
Updated:
2012-07-25 17:43:10
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Practice
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Description:
first set
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  1. Resistors terminate
    SCSI Bus (passive component)
  2. SATA vs PATA: 
    Longer cables, hot-swap
  3. Laser Printing: 
    Developing -> Transfering -> Fusing
  4. 2xx POST error: 
    RAM/ROM error
  5. Parity error
    RAM is bad
  6. AGP 8x video card throughput
    2.1 GBps
  7. UART:
    Univ Asynchronous Receiver/Transmitter
  8. Correct cable for 100BaseT:
    Cat 5
  9. Socket A CPU's
    AMD
  10. Most effective CPU cooling method
    Fan
  11. Sound Card IRQ
    5 (or 10 if 5 is occupied)
  12. # pins on SCSI interface
    50
  13. Line Analyzers warns of
    Voltage Spikes
  14. Hardware-level RAID configured using
    SCSI
  15. Software-level RAID config using
    IDE drives
  16. SIMM pin packages
    30, 72
  17. This IRQ cascades with 2
    9
  18. Distance limit for 10BaseT cable: 
    100m (without repeaters)
  19. PCMCIA does not support:
     32-bit data transfer
  20. Firewire supports x devices on a single controller:
    63
  21. Default subnet mask for 172.12.4.22: 
    255.255.0.0
  22. Default subnet mask of class B addresses:
    255.255.0.0
  23. IP Address Range 128-191: 
    Class B
  24. 2 Types of Partitions:
    • Primary
    • Extended
  25. Memory location in BIOS that begins in POST during startup: 
     FFFF0h (end of system memory)
  26. Ground wire color
    Black
  27. SRAM
    • Doesn't have to be refreshed constantly
    • uses lots of power
    • Used in IBM XT machines (old)
  28. Video card connector
    15-pin female DB
  29. Cat3 cables used with xBasex technology:
    10BaseT
  30. 100BaseT uses x cabling:
    Cat5
  31. Modern SVGA monitor connects via:
    DB-15
  32. This unit is not usually field-replacable:
    surface-mounted integrated circuit
  33. Common power connector in ATX system
    P1
  34. Basic unit of measurement of a capacitor:
    Farad
  35. These CPU's use Slot 1:
    • Pentium II
    • Pentium III
    • Celeron
  36. RS-232 Standard:
    Serial Ports
  37. Revised version of RS-232 standard
    RS-232C
  38. RS-232 interfaces are usually:
    • Male DB connector
    • 9 or 25 pin
    • Connect to serial ports
  39. Appropriate method for cleaning notebook LCD: 
    • Soft fabric
    • Isopropyl Alcohol
  40. Totally blank pages from printer:
    • Malfunctioning transfer corona
    • No toner
    • Power supply failure
  41. Laptop cardbus cards: 
    PCMCIA, Cardbus
  42. With reference to resolution, distance between dots on a display:
    Dot Pitch
  43. These processors use socket 370:
    Pentium III, Celeron
  44. SATA port
  45. PATA (also known as IDE)
  46. AGP
  47. Know them
  48. PCI slots
  49. SCSI port
  50. Northbridge
    the Northbridge is the chip, or collection of chips, that connect a Central Processing Unit (CPU) to memory,  (PCI) bus, Level 2 (L2) cache and (AGP) activities.
  51. The Northbridge chip communicates with the CPU through the x
    Frontside Bus (FSB)
  52. Connects CPU -> RAM/PCI/L2 Cache/AGP
    Northbridge
  53. The Northbridge can consist of x unlike the Southbridge which is typically only y
    • Northbridge: multiple chips (possibly)
    • Southbridge: 1 chip
    • PATA/IDE:
    • 40 pins
    • 1st pin marked by red wire
    • Originally supported 16MB/s
  54. Later standard of PATA allowed for x connections
    80 (2 per pin), allows for faster transfer rate
  55. Mainboards normally have x PATA connections available, and support y devices on each connection.
    2, 2
  56.  Later versions of PATA increased the speed to x
    33, 66, 100, 133 MB/s
  57. SATA: Unlike Parallel ATA, only one hard drive per port is allowed.
    True
  58. SATA throughput range
    1.5 GBps (192 MBps) - 6GBps
  59. SCSI
    SCSI, or Small Computer System Interface, is a standard for attaching multiple devices onto a single connection chain. It normally allows 7 or 15 devices depending on the standard (not counting the SCSI controller itself.) It is mostly used in servers.
  60. SCSI connection chains must be terminated - otherwise you will have undesirable interference preventing the devices from working.
    True
  61. Standard for floppy discs
    • 3 1/2"
    • 1.44Mb
  62. Southbridge
    Southbridge is a chipset that manages the basic forms of input/output ( I/O ) such as ( USB ), serial, audio, Integrated Drive Electronics ( IDE ), and Industry Standard Architecture ( ISA ) I/O in a computer. 
  63. Industry Standard Architecture (ISA)
    • This architecture was originally used in the IBM PC/XT and PC/AT used for connecting peripheral devices. It has been made obsolete by PCI.
    • -62 pins
  64. ISA ports (3 black)
  65. ISA supports up to
    16 devices
  66. Accelerated Graphics Port (AGP)
    • A standard for 3-D graphic interfaces. Its first incarnation had a bandwidth of 266MBps with 2x, 4x, and 8x versions later following.
    • Being made obsolete by PCIe
  67. Control Bus:
    The physical connections that carry control information between the CPU and other devices within the compute
  68. Is SRAM faster than DRAM?
    Yes
  69. Interrupt Requests (IRQ)
    Interrupt Requests (IRQ) are hardware lines which devices can send interrupt signals to the CPU.
  70. IRQ0
    The reserved interrupt for the internal system timer. Used exclusively for internal operations and is not available to peripherals or other devices. A conflict on this interrupt would indicate a hardware problem on the system board.
  71. IRQ1
     This interrupt is used only for the keyboard/keyboard controller. A conflict on this interrupt would indicate a hardware problem on the system board.
  72. IRQ2
    • This interrupt is a cascade for IRQs 8 to 15, allowing the use of extra IRQs 8 to 15.
    • Conflicts on this line come from trying to use a device on IRQ2 and another on IRQ9 at the same time
  73. IRQ3
    This interrupt is used for COM2 and COM4 (second serial port and fourth serial port). It is a popular option for modems and sound cards.
  74. ATX Motherboard (1995)
    • Power: 20-pin connector (old) OR 24-pin w/ 4/8 additional
    • Modular backplate
    • Memory and Expansion slots perpendicular (L) to eachother
    • Processor is between the L of Mem and Expansion slots
  75. BTX Motherboard
    • Memory and Expansion parallel to eachother
    • Processor angled 45 degrees between them
    • Smaller than ATX
    • Not really used anymore, but imitated for good airflow 
  76. Micro ATX Motherboard
    • Backwards compatible with ATX
    • Less expansion slots
    • Actively used
  77. NLX Motherboard
    • Rarely used (old)
    • Supported AGP
    • Always has a giant riser card with expansion ports on it
  78. Most popular motherboard
    Best cooling efficient motherboard
    Simplest motherboard
    • ATX
    • BTX
    • NLX

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