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Bits and bytes

Discussion in 'Networking' started by rijads, Feb 26, 2013.

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  1. rijads

    rijads Thread Starter

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    I don't know if I missed the sub forum, but I was wondering:
    Why are bits used for file transferring, and speed, while bytes are used for file size and storage ?
    For example download speed 100Mbps (100 Mega bits per second).
    File size 100MB (100 Megabyte).
     
  2. TerryNet

    TerryNet Moderator

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    For people like you who know their bits from their bytes it's to keep math skills sharp--at least the skills of multiplying and dividing by eight. :)

    For most people it's to keep them even more confused: my ISP says I get 8 Mbps download but when I download a file I only get 1 MBps. Should I sue them? :D

    I don't know the reason, and doubt that there is a good one. It's probably just historical.
     
  3. rijads

    rijads Thread Starter

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    Hmm, I was hoping for some good reason for why it is so, I guess it seems better when uneducated people see in ads on television 50Mbps download, than 6MBps.
     
  4. Couriant

    Couriant Trusted Advisor

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    Data storage is different to data speed.
    When data is stored, its stored in bytes. 1024 bytes = 1kilobytes. 1024 kilobytes = 1megabyte

    1 megabyte = 8 megabits.

    Now a 100MB file supposedly equals 800Mb, so with 1Mbps connection it will take about 13 1/2 mins to transfer.

    The speed is limited to a few factors, hardware is one of them.
     
  5. zx10guy

    zx10guy Trusted Advisor Spam Fighter

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    I personally think it stems from the days of serial communications from which the modern network is based upon. Back then serial communications were based on 8 bit datagrams.
     
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