File Size Units
File sizes tend
to be one of the more perplexing issues for the both the fledgling and
intermediate computer user. So, we've put together a breakdown of the
various file size "units" you may encounter.
The smallest unit in computing. It can have a value of 1 or 0. You'd
be hard pressed to find a file size listed in bits.
- A (still small) unit of information made up of 8 bits.
- A unit of approximately 1000 bytes (1024 to be exact). Most download
sites use kilobytes when they give file sizes.
(MB) - A unit of approximately one million bytes (1,024 KB).
(GB) - Approximately 1 billion
bytes (1024 MB). Most hard drive sizes are listed in gigabytes.
OK, now for a little
A 3 1/2" floppy drive holds 1.44 Megabytes (1,474 KB).
A CD Rom holds 650 Megabytes (though most programs you get don't utilize
the whole 650). This would be around 450 of those 3.5 floppies.
A 20 Gig hard drive will hold the same amount of info as 31 CD ROMs
or 14,222 of the 3.5 floppy disks.
It takes between 7-10 minutes to download a one megabyte (1024 KB) file
using the average dial up interent connection.
A typical page of text is around 4KB.
To see the size
of a given file, just right-click it (in Explorer or My Computer) and
select Properties from the resulting menu.
I know that even
with the information above, it can still be confusing, so I thought
I would compare these digital units of measure to some everyday objects.
Just picture them being completely hollow so you can store information
Bit - Let's call
this a regular sized marble.
Byte - Compared to the marble, this would be a baseball.
Kilobyte - Now we jump up to a pickup truck size.
Megabyte - Now for the leap - this would be a medium sized sky scraper.
Gigabyte - Take 1024
of the medium sized sky scrapers and stick them together for this one!
that helps :-)
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