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Tips &Tricks

Bits & Bytes

"How many bytes are in a KB (kilobyte), how many KB are in a
MB (megabyte) and how many MB in a GB (gigabyte)?
It's hard to keep track of which byte is better,
(has more capacity) or worse (has less capacity)"

    For all intents and purposes, (in other words, if you don't want to
think about it too much), there are 1000 bytes in a kilobyte, 1000
kilobytes in a megabyte, and 1000 megabytes in a gigabyte. So the
numbers look like this:

  1. 1 Kilobyte = a thousand (1000) bytes
  2. 1 Megabyte = a million (1,000,000) bytes
  3. 1 Gigabyte = a billion (1,000,000,000) bytes
  4. 1 Terabyte = a trillion (1,000,000,000,000) bytes

    TECHNICALLY SPEAKING, however, there are 1024 (2 to the 10th power) bytes in a kilobyte, 1024 kilobytes in a megabyte, and 1024 megabytes in a gigabyte. So the real numbers look like this:

  1. 1 Kilobyte = 1024 bytes
  2. 1 Megabyte = 1,048,576 bytes
  3. 1 Gigabyte = 1,073,741,824 bytes
  4. 1 Terabyte = 1,099,511,627,776 bytes

    The actual useable amount on items like a Hard Drive or a memory card may differ from these figures depending on how the manufacturer calculates, the format used and/or the physical limitations of the materials themselves. Use your best judgment and consider all the variables. The key issue is to make sure the totals do not vary much over time, if the usable space begins to decline, it may be a rogue application, a virus or the physical component beginning to decay.

decorative horizontal rule - electrical cable

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