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  • 1. Glenn Hyman Gary Werner


  • Type the following URL into your web browser to take the 10 question preassessment.
    • http://www.surveymonkey.com/s/JV2HYDQ

3. 4.

  • Stands forUniversal Serial Bus
  • It is an industry standard to connect computers with many peripherals
  • Created in 1996
  • Multiple versions: 1.0 and 1.1 (referred to as 1.x), 2.0 (a.k.a. USB Hi-Speed), and most recently 3.0
  • Up to 127 different devices can function off of one USB host

5. USB Version Maximum Data Transfer Rate 1.X12 Mbps 2.0 480 Mbps 3.0 4.8 Gbps 6.

  • Firewire is similar to USB
  • A.K.A. IEEE 1394
  • Typically used to connect digital video cameras to computers
  • Original FireWire provided 400 Mbps data transfer rate
  • Newer FireWire provides 800 Mbps data transfer rate
  • Not as widely used, or as common, as USB

Photo credit:http://gbennett.whsites.net/zencart/images/products/firewire400.jpg 7.

  • Question: Which is faster Hi-Speed USB 2.0 or FireWire?
  • Answer: In sustained throughput FireWire is faster than USB 2.0.
  • Question: If Hi-Speed USB 2.0 is a 480 Mbps interface and FireWire is a 400 Mbps interface, how can FireWire be faster?
  • Answer: Differences in the architecture of the two interfaces have a huge impact on the sustained throughput.


  • FireWire vs. USB 2.0 Hard Drive Performance Comparison
  • Read and write tests to the same IDE hard drive connected using FireWire and then Hi-Speed USB 2.0 show:
  • Read Test:
  • 5000 files (300 MB total) FireWire was 33% faster than USB 2.0
  • 160 files (650MB total) FireWire was 70% faster than USB 2.0
  • Write Test:
  • 5000 files (300 MB total) FireWire was 16% faster than USB 2.0
  • 160 files (650MB total) FireWire was 48% faster than USB 2.0


  • First developed by IBM to connect printers to computers
  • Still found on a majority of motherboards today
  • Being phased out in favor of USB connections
  • Data transfer rate of 50-100 Kbps
  • Called parallel wire because data is transmitted parallel to
  • each other through the
  • wire

Photo credit:http://www.lps2u.com/shop/images/HighPerformanceParallelCableForPrinter.jpg 10.

  • Considered one of the most basic wires/connections that you can use
  • Been around over 20 years
  • Is also being phased out in favor of USB
  • Mainly used to connect to
  • external modems, PDAs
  • and printers
  • Have a maximum data
  • data transfer rate of
  • 115 Kbps

Photo credit: http://www.shopit.ie/images/MXT100FF_Alarge.jpg 11. Wire Name Maximum Data Transfer Rate USB 2.0480 Mbps FireWire 400 Mbps Serial 115 Kbps Parallel 100 Kbps 12. 13.

  • Ethernet is not synonymous with Internet
  • Ethernet wires are used in networking applications
  • Has been in use since the 1980s
  • Initially supported a 10 Mbps data transfer speed
  • Fast Ethernet increased the rate to 100 Mbps
  • Gigabit Ethernet currently peaks at 1000 Mbps

Photo credit:http://kbserver.netgear.com/images/1561_straight_ethernet.jpg 14.

  • Phone lines are very versatile
  • Most popular applications include:
    • Sending faxes from computers
    • Making phone calls from computers
    • Connecting to the Internet via dial-up connection
  • As broadband connections become more affordable dial-up will continue to be phased out
  • Dial-up connection peaks at a speed of 56 Kbps
  • 234,372,000 Internet users as of Nov 2009
    • 73,123,400 Internet broadband connections as of June2009 (sourcehttp://www.internetworldstats.com/america.htm )
    • Leaving 160 million plus potentially still using dial-up
    • connections

Photo credit:http://img.alibaba.com/photo/50638622/Telephone_Line_Cords_with_UK_Telephone_Plugs.jpg 15. 16.

  • No, not everything needs
  • a power cord!!
  • All computers, including laptops,
  • need their own power cord
  • Many peripherals need a separate power cord, however some may run off of USB supplied power
  • Power cords are fairly uniform but proprietary power cords and power packs, especially for laptops, do exist

Photo credit:http://climate.sdstate.edu/howto/vrg101/black%20power%20cord.jpg 17.

  • There are two main types
    • Molex
    • SATA
  • Molex was developed in the 1950s, first used in computers in the late 1970s
  • It is a 4 pin connector
  • Standard on all PATA drives, and most motherboards
  • SATA was developed in 2003 and is taking the place of Molex
  • SATA is more of a versatile power adapter, allowing for hot-swapping and it can only be inserted in one specific way

Photo credit:http://en.wikipedia.org/wiki/Molex_connector 18. 19. Photo credit:http://www.addictivetips.com/wp-content/uploads/2008/09/imageview.jpg http://www.microsoft.com/library/media/1033/windowsxp/images/using/mce/expert/sound_sound_card.jpg 20.

  • Computer audio wires are essential for providing sound
  • Typically wires with green plugs are for speakers, wires with pink plugs are for microphones, and wires with blue plugs are for line-in
  • There are also wires that support 5.1, 6.1, and 7.1 surround sound
  • Newer audio wires include digital optical and coaxial cables, as well as HDMI which can transmit high definition video as well as
  • sound

21. 22. Photo credit:http://en.dogeno.us/wp-content/uploads/vga2.jpg

  • Stands for Video Graphics Array or
  • Super Video Graphics Array
  • Transmits an analog video signal
  • VGA maximum resolution is 800 x 600
  • VGA is considered the lowest common denominator that all PC graphics hardware support
  • SVGA improves on VGA, and covers alargerange of display standards
  • SVGA maximum resolution is 1027 x 768
  • Still widely used for a large number of monitors, including flat screen monitors
  • Has been surpassed by DVI connections


  • S-Video stands for Separate Video
  • The wire transmits video dataonly , no sound
  • S-Video can transmit a slightly higher analog resolution picture than traditional composite video
  • Allows for a computer to be hooked up to a monitor/TV peripheral
  • Can not transmit high definition video signals
  • Has been replaced with DVI and HDMI
  • wires

Photo credit:http://www.zpluscable.com/images/products/prem-svideo-end.jpg 24.

  • Stands for Digital Visual Interface
  • Transmits a digital video signal
  • First produced in 1999
  • Direct replacement of VGA/SVGA connections
  • Supports a maximum resolution of 3840 2400
  • Already starting to be replaced by such connections as HDMI and DisplayPort

Photo credit:http://www.cablek.com/client_file/upload/image/dvi-cable-pic.jpg 25. 26.

  • Originally designed in 1986
  • Superseded by SATA in 2003
  • Is an internal connection standard for hard drives, floppy drives, and optical drives
  • Maximum data transfer rate is 133 Mbps
  • Looks like a ribbon cable
  • Was commonly called ATA or IDE cables until approximately 2003 when SATA was released and it was retroactively called PATA to
  • differentiate between the two cables

Photo credit:http://en.wikipedia.org/wiki/File:Ata_20070127_002.jpg 27.

  • SATA (Serial Advanced Technology Attachment) was created in 2003
  • Reduces amount of cables from 80 in PATA to just seven
  • Is used for:
    • Internal computer parts connection
    • External computer peripherals connection (eSATA)
    • Power supply connection
  • SATA has a maximum data transfer rate of 1.5 Gbps, SATA II is 3 Gbps, SATA III is 6 Gbps
  • Another plus is that SATA connections are
  • hot-swappable

Photo credit:http://www.sierra-cables.com/Cables/Images/SATA-Signal-Cable-1.jpg 28. Photo credit:http://gallery.techarena.in/data/513/sata-ide_lg.jpg 29.

  • http://en.wikipedia.org/wiki/Universal_Serial_Bus
  • http://www.usb-ware.com/firewire-vs-usb.htm
  • http://blog.makeitwork.com