A+ GCFL Notes

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Author:
esmenikmati
ID:
165223
Filename:
A+ GCFL Notes
Updated:
2012-08-12 19:10:28
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GCFL
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GCFL
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  1. Benefits of BTX Motherboards
    • Better airflow
    • Better placement of components (reduces latency)
    • Low thermal footprint
  2. BTX size
    12.8 x 10.5"
  3. ATX size
    12 x 9.6"
  4. P1 Power Connector Voltage
    • 3.3V
    • 5V
    • 12V
  5. Latest power connector for ATX
    P1 24-pin
  6. NLX 
    • Used riser cards for expansion slots
    • Used ATX Power supplies
    • Intended for low end-PC's circa 1999
  7. USB 1.1 Transfer Rate
    12 Mbps
  8. USB 2.0 Transfer Rate
    480 Mbps
  9. USB 3.0 Transfer Rate
    5 Gbps
  10. USB Connections have _ Wires
    • 4
    • 2 for power
    • 2 for signal
  11. USB 1.1 Max Length
    3 m
  12. USB 2.0 Max Length
    5 m
  13. RS-232
    • Serial Ports
    • DB-9 / DB-25
  14. COM1/2/3/4
    UART
    Serial Ports
  15. UART
    Univ Asynchronous Receiver/Transmitter
  16. Firewire devices can be daisy chained up to
    63 devices
  17. 1394a
    Firewire 400 (400Mbps)
  18. 1394b
    Firewire 800 (800Mbps)
  19. Firewire 400 Max Length
    4.5 m (15ft)
  20. Firewire 800 Max Length
    100 m / 328 ft
  21. Firewire 400 Connector
    4 or 6 pin
  22. Firewire 800 Connector
    9 pin
  23. DMA
    Direct Memory Access
  24. Parallel Port: Number of pins
    • DB25
    • 36-pin micro ribbon
    • 50-pin (old)
  25. MAC
    Media Access Control
  26. 16-bit RIMM
    • 2 notches
    • 184 pins
  27. 32-bit RIMM
    • 1 notch
    • 232 pins
  28. RIMM speeds & versions
    • 800 - 1066 MHz
    • 64 - 512 MB
    • ECC - Non-ECC
  29. DIMM
    Dual Inline Memory Module
  30. DIMM pin configurations
    100 - 240 pins
  31. DDR DIMM vs SDRAM DIMM
    • SDRAM synced with system clock
    • DDR = runs at double speed of system clock
  32. double-sided DIMM
    "Dual-ranked"
  33. 32-bit SODIMM pin configurations
    • 72
    • 100
  34. 64-bit SODIMM pin configurations
    • 144
    • 200
  35. CAS/RAS
    Column/Row Access Strobe
  36. EDO
    Extended Data Out
  37. BEDO
    Burst EDO
  38. FPM
    Fast Page Memory (for SIMMs)
  39. SIMM pin configs
    • 30-pin (16-bit)
    • 72-pin (32-bit)
  40. ___ Uses pin-grid array (PGA)
    AMD
  41. ___ uses land-grid array (LGA)
    Intel
  42. AGP Speed Range
    1x - 8x
  43. AGP 1.0 Max Throughput
    266 Mbps
  44. AGP 3.0 Max Throughput
    2.12 Gbps
  45. AGP volt range
    .8 - 3.3 V
  46. PCIe Speed Range
    1x - 16x
  47. IDE
    same as PATA
  48. PATA
    primarily used for storage drives
  49. IDE (meaning)
    • Integrated Drive Electronics
    • 40-pin
    • primary and slave controller
  50. EIDE
    • Enhanced IDE
    • 80-pin
  51. SATA
    • Serial ATA
    • 7-pin cable with 1m max length
  52. SATA transfer rate
    1.5 - 6 Gbps
  53. SATA devices are hot swappable
    Yes
  54. eSATA max cable length
    2 m
  55. RAID 0
    • Striping
    • 2 or more drives used as one, info spread across them
    • Fastest performance, no fault tolerance
  56. RAID 1
    • Mirroring
    • All data written to all drives
    • Fault tolerance, but slow
  57. RAID 5
    • Striping w/parity
    • Requires at least 3 volumes
    • Fault tolerance and performance
  58. BIOS
    • Basic settings for starting a computer
    • Finds/loads OS
  59. CMOS
    stores BIOS
  60. POST
    checks memory, CPU, storage, I/O devices
  61. CMOS battery
    volatile memory, requires power to keep settings
  62. voltage selector switch
    alternates between 115 and 230 v
  63. ATX extra 4 pin connector (in 24 pins)
    provides additional 12V auxilary power
  64. ATX 2.2
    24-pin connector, backwards compatible with 20
  65. AMD Athlon
    For notebooks
  66. AMD Sempron
    Netbooks
  67. Intel Celeron
    low-end PC's
  68. VGA
    640 x 480
  69. SVGA
    800 x 600
  70. XGA
    1024 x768
  71. SXGA
    1280 x 1024
  72. SXGA+
    1400 x 1050
  73. WSXGA+
    1680 x 1050
  74. UXGA
    1600 x 1200
  75. WUXGA
    1920 x 1200
  76. native resolution
    number of pixels built into device
  77. 802.11a
    • 5GHz range
    • 54Mbps
  78. 802.11b
    • 2Ghz Range
    • 11Mbps
  79. 802.11g
    • 2GHz
    • 54Mbps
  80. 802.11n
    • 2 or 5 GHz range
    • 600Mbps
  81. WEP
    • Wireless Equivalent Privacy
    • 64 or 128-bit
    • outdated; not supported in 802.11n
  82. WPA
    • TKIP Encryption
    • 8-63 characters
  83. WPA2
    AES Encryption
  84. SSID
    Service Set Identifier
  85. Bluetooth
    2.4GHz
  86. Identifies physical device on a SCSI chain
    SCSI ID
  87. Windows system utility used for displaying details about computer's hardware configuration, computer components, and software (including drivers) is called:
    MSinfo32
  88. ASR
    • Automated System Recovery
    • Included in WinXP NTBackup
    • Requires OS CD, Floppy
  89. ERP
    • Emergency Repair Data
    • Win2k
    • Repairs startup
  90. IP Class Range: 192-223
    • Class C
    • Home office/small network
    • 255.255.255.0
  91. IP Class Range: 1 - 127
    • Class A
    • Large companies, ISP, Government
    • 255.0.0.0
  92. IP Class Range: 128 - 191
    • Class B
    • Mid-Size corporations and ISPs
    • 255.255.0.0
  93. SSL
    128-bit encryption
  94. Ports: SSH
    22
  95. Ports: Telnet
    23
  96. Ports: SMTP
    25
  97. Ports: DNS
    53
  98. Ports: POP
    110
  99. Ports: HTTPS
    443
  100. Thicknet
    • Original Ethernet cable
    • RG-8
    • 10Base5
  101. Thinnet
    • 10Base2
    • RG-58
  102. Cable modem/Satellite coax connector (now)
    RG-6
  103. EFS
    • Requires NTFS formatting
    • Professional/Business/Ultimate version of OS (XP/Vista/7)
  104. Most common case fan sizez
    • 80mm
    • 120mm
  105. VPN Security
    • SSL
    • IPSec
    • TLS
  106. Start Menu Hotkey
    CTRL + ESC
  107. CAT3
    10Mbps
  108. CAT4
    • 16Mbps
    • Usually used for token rings
  109. CAT2
    • 4Mbps
    • Token Rings
  110. CAT1
    Plain old telephone system
  111. CAT5
    100Mbps
  112. Delete partitions via recovery console
    Diskpart
  113. Recovery Console Command: Stop driver from running
    disable
  114. Class 1 Bluetooth
    328 ft / 100 m
  115. Class 2 Bluetooth
    33 ft / 10 m
  116. Old fiber ops for networking
    • SC
    • ST
  117. New fiber ops for networking
    MT-RJ
  118. Fiber ops for audio
    TOSLINK
  119. PCIe power connectors will have _ pins
    • 8
    • or 6
  120. 10Base5
    • Thicknet
    • RG-8
    • Coax
  121. 10Base2
    • Thinnet
    • RG-58
    • Coax
  122. Fn + F8
    LCD toggle (laptops)
  123. Make directory command (CLI)
    • md [drive:\]path
    • only md and path are required
    • md: make directory
  124. change current drive/folder (CLI)
    • cd
    • cd: change directory
  125. Serial Ports
    • DB-25/9
    • Male
    • Transmits single bit at a time
  126. Recovery Console
    Win2k, WinXP
  127. Sends multiple bits simultaneously
    • Parallel
    • NOT: USB
    • NOT: Firewire
    • NOT: Serial
  128. AMD Opteron
    • Server CPU
    • Intel equivalent: Xeon
  129. AMD Turion
    for mobile
  130. AMD HyperTransport
    Increases speed between IC's
  131. you  cannot ______ system files
    encrypt
  132. Recovery Console command to delete partitions
    Diskpart
  133. Recovery console command to stop specific services/drivers
    Disable
  134. ISA slot color
    black
  135. ERD
    • Emergency Repair Disk (Win2k)
    • replaced by Auto System Recovery (ASR) in WinXP
  136. Interface between I/O bus and SCSI bus
    Host Adapter
  137. WEP keys have x characters for 128 bit encryption
    26
  138. WEP keys have x characters for 64-bit encryption
    10
  139. WEP keys have x characters for 256-bit encryption
    • 58
    • 256 - 24
    • 232 / 4 = 58
  140. DVI connectors have x pins
    29

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