701 and 702: CompTIA A+

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Author:
phire42
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224482
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701 and 702: CompTIA A+
Updated:
2013-11-10 14:16:41
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CompTIA 701 computer
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Those things that you just have to memorize for the test.
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  1. ZIF Socket
    Zero Insertion Force Socket - A CPU Socket that allows you to just drop the CPU into the socket without having to push it in.
  2. Color of the Mouse PS/2 Port?
    Green - Mice can move, they GO and keyboards don't... Green is for go!

  3. Color of the Keyboard PS/2 Port?
    Purple - Mice can move, they GO and keyboards don't... Green is for go!

  4. Slot 1 is for what Processors
    Pentium II, Pentium III, Celeron and all SECC and SECC2
  5. FRU
    Field Replaceable Unit
  6. Slot A is for what processors?
    Early AMD Athlon
  7. Socket 5 is for what processors?
    Pentium 75-133, Pentium 75+ OverDrive, AMD K5
  8. Socket 7 is for what processors?
    Pentium 75-200, Pentium 75+ OverDrive, Pentium MMX, AMD K6
  9. Super Socket 7 is for what processors?
    AMD K6-2, K6-III
  10. Socket 8 is for what processors?
    Pentium Pro. When Pentium II was introduced they switched to Slot 1.
  11. Socket 370 is for what processors?
    Pentium III and Celeron (Plastic Pin Grid Array processors)
  12. Socket 423 is for what processors?
    Early Pentium 4
  13. Socket A is for what processors?
    Also known as Socket 462 - AMD Athlon, Athlon XP, Athlon XP-M, Athlon MP, Thunderbird, Duron, Sempron.
  14. What Socket/Slot can a Pentium II go in?
    Slot 1 and 2
  15. What Socket/Slot can a Pentium III go into?
    Slot 1, Socket 370
  16. What Socket/Slot can a Celeron processor go in?
    Slot 1, Socket 370
  17. What Socket/Slot can an SECC Processor go into?
    Slot 1
  18. What Socket/Slot can an SECC2 Processor go into?
    Slot 1
  19. What Socket/Slot can an AMD Athlon Processor go into?
    Slot A, Socket A
  20. What Socket/Slot can a Pentium 75-133 go into?
    Socket 5
  21. What Socket/Slot can a Pentium 75+ OverDrive go into?
    Socket 5 and Socket 7
  22. What Socket/Slot can a AMD K5 go into?
    Socket 5
  23. What Socket/Slot can a Pentium 75-200 go into?
    Socket 7
  24. What Socket/Slot can a Pentium MMX go into?
    Socket 7
  25. What Socket/Slot can a AMD K6 go into?
    Socket 7
  26. What Socket/Slot can a AMD K6-2 go into?
    Super Socket 7
  27. What Socket/Slot can a AMD K6-III go into?
    Super Socket 7
  28. What Socket/Slot can a Pentium Pro go into?
    Socket 8
  29. What Socket/Slot can a Pentium 4 go into?
    Socket 423 and Socket 478
  30. What Socket/Slot can an Athlon XP go into?
    Socket A (aka Socket 462)
  31. What Socket/Slot can a Athlon XP-M go into?
    Socket A (aka Socket 462)
  32. What Socket/Slot can a Athlon MP go into?
    Socket A (aka Socket 462)
  33. What Socket/Slot can a Thunderbird go into?
    Socket A (aka Socket 462)
  34. What Socket/Slot can a Duron go into?
    Socket A (aka Socket 462)
  35. What Socket/Slot can a Sempron go into?
    Socket A (aka Socket 462)
  36. Socket A is also known as?
    Socket 462
  37. Socket 462 is also known as?
    Socket A
  38. IEEE 1394
    Firewire

  39. What kind of Mother board is this?
    ATX - Advanced Technology Extended (You can tell because the memory sockets are at right angles to the Expansion slots)
  40. What kind of motherboard is this?
    NLX - New Low-Profile Extended (You can tell because it has a riser card so the expansion cards are parallel to the mother board)
  41. What kind of motherboard is this?
    Micro ATX - Micro Advanced Technology Extended. (You can tell because it's smaller, more compact and square instead of rectangle)
  42. Firewire's Standard
    IEEE 1394
  43. What kind of motherboard is this?
    BTX - Balanced Technology Extended (You can tell because the Memory sockets and the Expansion slots are parallel. this improves airflow over the board.)
  44. What Devices go on the Northbridge?
    Processor, all forms of memory (including cache), and video - These are the components that need to be accessed quickly. EVERYTHING ELSE goes on the Soutbridge
  45. What Devices go on the Southbridge?
    Everything but the processor, all forms of memory and video.
  46. ISA Expansion Slot
    Older slot, no longer part of A+
  47. PCI Expansion Slot
    • Peripheral Component Interconnect - 3 inches long, usually white, 33 or 66MHz over 32-bit (4-byte) channel.
    • Throughput speed:
    • 33MHz x 4byte≈133MBps
    • 66MHz x 4byte≈266MBps
  48. What is the voltage of the 4 PCI Slots on the left?
    • They are 5 volt PCI Slots
  49. What is the voltage of the 2 PCI Slots on the Right?
    • They are 3.3 Volt slots.
  50. What types of Expansions slots are these?
    • Three 3.3v 64-bit PCI Expansion Slots
    • One 5v 32-bit PCI Expansion Slot
  51. AGP comes in 4 speeds 1x, 2x, 4x and 8x. What are their throughputs
    • 1x:
    • One 4-Byte channel x 66Mhz=
    • 1 x 4 x 66≈264MBps
    • 2x:
    • Two 4-Byte channels x 66Mhz=
    • 2 x 4 x 66≈528MBps
    • 4x:
    • Four 4-Byte channels x 66Mhz=
    • 4 x 4 x 66≈1056MBp

    • 8x:
    • Eight 4-Byte channels x 66Mhz=
    • 8 x 4 x 66≈2112MBp
  52. What is the Brown expansion slot?
    AGP - Accelerated Graphics Port - Usually brown used mostly for video cards. It allows a more direct connection from the graphics card to the PC's memory. They were replaced by PCIe.
  53. What type of expansion slots are these?
    PCIe - PCI Express - Designed to replace PCI and AGP. They are faster than AGP and as flexible as PCI. Moved from parrallel bus structure to serial lane structure. Speed is determiend by how many lanes.

    They come in multiple lengths. The longer the slot, the more pins make connection the faster the card can communicate.

  54. PCIe Version 1.x, 2.0 and 3.0, what are their speed throughput?
    • 1.x - 250 MBps
    • 2.0 - 500 MBps
    • 3.0 - 1 GBps

    • 1.x
    • 250 MBps * x1 slot = 250 MBps each way.
    • 250 MBps * x4 slot = 1 GBps each way.
    • 250 MBps * x16 slot = 4 GBps each way.

    • 2.0
    • 500 MBps * x1 slot = 500 MBps each way
    • 500 MBps * x4 slot = 2 GBps each way
    • 500 MBps * x16 slot = 8 GBps each way

    • 3.0
    • 1 GBps * x1 slot = 1 GBps each way
    • 1 GBps * x4 slot = 4 GBps each way
    • 1 GBps * x16 slot = 16 GBps each way.
  55. Up-Plugging
    The ability to use a smaller capacity PCIe card in a large capacity slot. For example: Using a x4 card in an x16 slot. It will fit, it just wont take up the entire slot. You will get it at x4 speeds and you motherboard must support it.
  56. Down-Plugging
    The RARE ability to use a higher capacity PCIe card in a smaller capacity slot. The slot has to have a notch at the end, the motherboard has to support it and you will only get the speed of the smaller slot not the larger card. So if you put in a x16 card in a x8 slot it will run at x8 speed.
  57. What type of Expansion slot is this?
    AMR Expansion Slot - Audo Modem Riser. Small 46 pin slot keyed in the middle. Special slot for modems. Created so they could certify the modem circuitry with the FCC separately from the motherboard. Replaced by the CNR and the AMR.
  58. What is the bottom Expansion Slot
    CNR - Communication and Network Riser. Looks like an AGP only smaller (AGP is the one at the top) 60 pin slots. Added network support to the audio support, plug & play, hard ware acceleration and the ability to avoid using a PCI slot for a NIC/Modem.
  59. DIMM
    Dual Inline Memory Module - Dual because each side of a pin was a separate contact doubling the amount of contacts. 133mmx38mm, 64-Bit data width. Package used for SDRAM, DDR, DDR2 and DDR3
  60. SODIMM
    Small Outline Dual Inline Memory Module - 68mmx32mm Size. 72 pin, 100pin, 144pin, 200 pin and 204 pin versions. More expensive than DIMM, used for laptops and portable devices.
  61. SIMM
    Single Inline Memory Module - Electrical contacts are the same on both sides of the pin. It comes in 30 pin and 72pin. No longer in use.
  62. RIMM
    • Rambus Inline Memory Module - Licensed by Rambus. 133mmx35mm in size. Came in 16-bit (184 pins) & 32-Bit (232 Pins) Always has RDRAM (Rambus Dynamic Random Access Memory). Every slot on RIMM must be filled. Empty slots were filled with special filler RIM module. 16-Bit you used C-Rimm: Connectivity Rimm and for 32-Bit you used CT-Rimm: Connectivity and Termination Rimm. Most had aluminum heat spreaders to help cool them off.
  63. MicroDimm
    Micro Dual Inline Memory Module - newer and smaller than SODIMM. Over 50% smaller 45.5mm x 30mm. Used for ultra-light laptops.
  64. What are the Memory Slots?
    • SIMM
    • RIMM
    • DIMM
    • SODIMM
    • MICRODIMM
  65. How many Pins does SIMM have?
    30 Pins and 72 Pins
  66. How many pins does RIMM have?
    184 Pins & 232 Pins
  67. How many pins does DIMM have?
    168 Pins (SDRAM), 184 Pins (DDR), 240 Pins (DDR2 and DDR3)
  68. How many pins does SODIMM have?
    72 Pins, 100 Pins, 144 Pins, 200 Pins, and 204 Pins.
  69. Double sided Memory
    Treated by motherboard as 2 separate memory modules. Memory controller switches between "sides". Does not refer to physical sides of the module (It's more like virtual sides)
  70. Dual Channel Memory
    Coordination of 2 memory banks to work synchronizaticaly to communicate with CPU to double throughput and reduce the bus bottleneck. (Must be inserted in pairs.)
  71. SRAM
    Static Random Access Memory - No refresh signal needed. It's more complex, faster and expensive than DRAM. Used for cache memory.
  72. DRAM
    Dynamic Random Access Memory - Must be constantly refreshed in order to maintain the information. Used as the main computer ram because it's inexpensive.
  73. SDRAM
    Synchronus Dynamic Random Access Memory - Synchronized with the system Clock, so it works on the same schedule as everything else. DRAM used to be aSynchronus so you would have to insert wait times so the ram could wait for the CPU running at a different clock rate to catch up.
  74. SDR SDRAM
    Single Data Rate Synchronous Dynamic Random Access Memory - Retroactively renamed from SDRAM when newer forms of SDRAM were developed.
  75. Formula SDR SDRAM
    Memory Clock Rate * Bus Clock Multiplier * Data Rate * # of Bits Transferred / 8 Bits per cycle.

    • Ex: 
    • 100 Mhz Clock with SDR SDRAM
    • 100*1*1*64/8=
    • 100*1*1=100*64=6400/8=800 Byte per Cycle.

    • Ex2: 
    • 128 Mhz Clock with SDR SDRAM
    • 128*1*1*64/8=
    • 128*1*1=128*64=8192/8=1024 Byte per Cycle.
  76. Formula DDR SDRAM
    DDR SDRAM = Double Data Rate SDRAM so it doubles the transfer rate by double pumping.

    Memory Clock Rate * Bus Clock Multiplier * Dual Data Rate * # of Bits Transferred / 8 Bits per cycle.

    • Ex: 
    • 100 Mhz Clock with DDR
    • 100*1*2*64/8=
    • 100*1=100*2=200*64=12800/8=16000 Bytes per cycle.

    • Ex2:
    • 128 Mhz Clock with DDR 
    • 128*1*2*64/8=
    • 128*1=128*2=256*64=16384/8=2048 Bytes per cycle.
  77. Formula DDR2 SDRAM
    DDR2 Internally multiplies actions per clock cycle.

    Memory Clock Rate * Bus Clock Multiplier * Dual Data Rate * # of Bits Transferred / 8 Bits per cycle.

    • Ex: 
    • 100 Mhz Clock with DDR2
    • 100*2*2*64/8=
    • 100*2=200*2=400*64=25600/8=3200 Bytes per cycle.

    • Ex2:
    • 128 Mhz Clock with DDR2
    • 128*2*2*64/8=
    • 128*2=256*2=512*64=32768/8=4096 Bytes per cycle.
  78. Formula DDR3 SDRAM
    DDR3 Doubles the Bus Clock again.

    Memory Clock Rate * Bus Clock Multiplier * Dual Data Rate * # of Bits Transferred / 8 Bits per cycle.

    • Ex: 
    • 100 Mhz Clock with DDR3
    • 100*4*2*64/8=
    • 100*4=400*2=800*64=51200/8=6400 Bytes per cycle.

    • Ex: 
    • 128 Mhz Clock with DDR3
    • 128*4*2*64/8=
    • 128*4=512*2=1024*64=65536/8=8192 Bytes per cycle.
  79. DRDRAM
    Direct Rambus Dyanmic Read Access Memory-Often just RDRAM. Older technology licensed from Rambus Company. It was unpopular due to latency, heat output and complex manufacturing.
  80. What are the things CompTIA say you should never do?
    • - Overclock processors
    • - Refill ink cartridges
    • - Repair a power supply
    • - Repair a CRT
    • - But if you DO repair a CRT, us a High Voltage Probe and DO NOT WEAR a ESD wrist strap.
  81. What devices in a computer use 12V of power?
    Any device that moves. (Hard Drive, DVD player, Fans, etc.)
  82. How much power does a DVD player use?
    12V just like any other device that moves
  83. How much power does a Fan use?
    12V just like any other device that moves
  84. How much power does the Hard Drive use?
    12V just like any other device that moves
  85. What type of connector is this?
    EIDE (Enhanced Integrated Drive Electronics) aka PATA (Parallel Advanced Technology Attachment) - Earlier technology to connect hard drives, floppy drives, CDRom and DVD players.
  86. What type of wire/jack is this?
    SATA - Serial Advanced Technology Attachment - Must up to date standard. No need for jumpers to be shunted, SATA 0 (or 1) is always the master, all others are slaves.
  87. IDE
    Integrated Drive Electronics - A more common name for PATA/SATA
  88. How many pins are in the standard IDE/PATA drive cable?
    40 Pins
  89. What is the technical name for a PS/2 port?
    6-pin mini-DIN connector.
  90. How many pins in a VGA port?
    15 - 3 rows of 5.
  91. How many pins in a game port
    15 - but in 2 rows
  92. What is the difference between VGA and Game ports?
    Both have 15 pins - VGA in 3 rows of 5, and Game in 2 rows (one with 8 pins and the other with 7)
  93. How many pins in a parallel port?
    25 pins.
  94. Computer ports are male or female?
    All female but the serial port which is male.
  95. What OS did USB support start?
    Windows 95 Second Edition and Windows 2000.
  96. The Green audio port is for what device?
    Speakers
  97. The pink audio port is for what device?
    Microphone
  98. The blue audio port is for what device?
    A headset with built in microphone.
  99. BIOS
    Basic Input Output System - It's ROM and needs no battery. It contains the software that boots the system and allows the OS to interact with certain hardware without drivers.
  100. CMOS
    A Complementary Metal Oxide Semiconductor - A RAM chip that holds the Date, Time, Hard drive configuration, listing of memory installed, the integrated ports installed, the boot sequence and Power management - Must be powered by a small battery in order to be retained.
  101. POST
    Power-On Self Test - Performed by the Bios when computer is turned on.
  102. What is the difference between BIOS and CMOS?
    BIOS is Rom and requires no battery to maintain it's info, CMOS is ram and uses a small battery.
  103. You are unable to use non-plug and Play components starting at which operating system?
    Windows 2000
  104. In order for plug and play to work, what three things must support it?
    • 1. The mother board
    • 2. The operating system
    • 3. The component.
  105. DIP processor form factor
    Dual In-Line Package

  106. PGA
    • Pin Grid Array
  107. Hyper-Threading
    A CPU technology that allows the computer to see the once processor as two, so the computer sends it two processes instead of one.
  108. Multi-core
    A CPU Technology where they include multiple physical CPU's in one CPU package. A dual-core processor has 2 CPU's in the space of one. A Quad-Core has 4 processors, etc.
  109. Throttling
    A CPU technology that reduces the operational frequency of the CPU during times of less demand or during battery operation.
  110. ECC
    Error Checking and Correcting - Memory technology that looks for errors in data and attempts to correct it.
  111. D-Subminiature
    • Port type shaped like a letter D. Most common are Serial, VGA and Parallel.
  112. IEEE 1284
    Parrallel
  113. What IEEE standard is Parallel?
    IEEE 1284
  114. What kind of port is a DE9
    Serial port with 9 pins.
  115. What kind of port is a DB25?
    Parallel port or possibly Serial
  116. Breakdown of D-sub connector names:
    DXn = What do they represent?
    Example: DB15
    • D = D-Subminature
    • X = Size of the D Shape... From A-E
    • n = Number of pins.
  117. Monitor has green tint, what's probably wrong?
    Bent pin. Use a mechanical pencil with no led to straiten out the pin.
  118. What type of port is a Game or Midi port?
    DA15
  119. What type of port is a DE15
    VGA/Video port. 3 rows of 5 pins (where a Game or Midi port only has 2 rows.)
  120. What type of D-subminature port is a Serial Port?
    DE9
  121. What type of D-subminature port is a Parallel Port?
    DB25
  122. What type of D-subminature port is a Game or Midi Port?
    DA15
  123. What type of D-subminature port is a VGA  Port?
    DE15
  124. RJ as in RJ11 and RJ45
    Registered Jack
  125. RJ11
    Phone line
  126. RJ45
    Ethernet Line
  127. How many devices can you connect to 1 USB port?
    127 using 1 IRQ
  128. How many devices can you connect to 1 Firewire port?
    63
  129. Red, White and Yellow audio cables
    RCA Cables aka Composite cables.
  130. RCA Cables
    Red, White and Yellow
  131. Composit Cables
    Red, White and Yellow aka RCA Cables
  132. Another name for RCA Cables
    Composite Cables
  133. TOSLINK
    The fiber optic sound cable/interface.
  134. What is the fiber optic sound interface called?
    TOSLINK
  135. How pins in a Centronics connector?
    36
  136. What is the maximum length that a parallel cable can be?
    10 ft.
  137. What is the maximum speed that a parallel cable can transmit?
    150KBps
  138. IEEE 1284
    Parallel port
  139. What is the maximum speed of an Enhanced Parallel Port
    Anywhere from 600KBps to 1.5MBps
  140. Maximum speed of standard serial port
    57Kbps
  141. Maximum length of a standard serial cable
    50ft.
  142. Hyperthreading
    When two process run at the same time on a single processor
  143. Formula for marketing name of memory.
    Example marketing names: PC1600, PC2700, PC3200 etc.
    • Front Side Bus speed in MHZ (cycles/second)
    • x                            8 bytes (bytes/cycle)
    • Throughput                         (bytes/second)
    • (Aprox marketing name)
    • FSB in MHz =  200Mhz per second
    • 8 Bytes      = x  8 bytes per cycle
    • Throughput =  1600 bytes/second
    • Marketing Name = PC1600

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