Each I and O is a bit.
8 bits = 1 byte 1,024 bytes = 1 Kilobyte 1,048,576 bytes = 1 Megabyte 1,073,741,824 bytes = 1 Gigabyte
LINKS:
Another good Computer Web-site (designed by me) Has pretty much the same stuff about computers. Doesn't work with Netscape (properly anyway) and needs IE5 at least
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