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Thread: Megabytes, Gigabytes, Terabytes... What Are They?




  1. #1
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    Default Megabytes, Gigabytes, Terabytes... What Are They?

    These terms are usually used in the world of computing to describe disk space, or data storage space, and system memory. For instance, just a few years ago we were describing hard drive space using the term Megabytes. Today, Gigabytes is the most common term being used to describe the size of a hard drive. In the not so distant future, Terabyte will be a common term. But what are they? This is where it gets quite confusing because there are at least three accepted definitions of each term.

  2. #2
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    Default Re: Megabytes, Gigabytes, Terabytes... What Are They?

    It's just the way megabytes are measured,same as tens,hundreds,thousands

    In hdd capacity it will be less than what's stated on the hdd due to the way the OS calculates mb's,I think?
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  3. #3
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    Default Re: Megabytes, Gigabytes, Terabytes... What Are They?

    With hard drives and solid state drives:
    • One megabyte (MB)= one million bytes
    • One gigabyte (GB)= one billion bytes (1000 megabytes)
    • One terabyte (TB)= one trillion bytes (1000 gigabytes)

    Extra credit section:
    • 1024 x 1024 = 1,048,576 which is ~ 4.8% higher than one million
    • 1024 x 1024 x 1024 = 1,073,741,824 which is ~ 7.4% higher than one billion
    • 1024 x 1024 x 1024 x 1024 is about 10% higher than one trillion

    This is why the operating system reports fewer MB, GB, or TB than the drive's specified size.
    Last edited by profJim; 08-08-2011 at 11:33 PM.
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  4. #4
    Chike is offline Senior Member
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    Default Re: Megabytes, Gigabytes, Terabytes... What Are They?

    Looks like a spammer to me.... but what do i know?
    http://repository.ksu.edu.sa/jspui/b...re%20They_.pdf

  5. #5
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    Default Re: Megabytes, Gigabytes, Terabytes... What Are They?

    Yup, after reading Chike's link, it looks like we have a joker as a forum member :)

    ***edit***
    The OP is on a roll, he has another useless post in the ASUS forum.
    I'm not going to waste my time searching for his other two posts.
    Last edited by profJim; 08-09-2011 at 01:41 AM.

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