My Son the Vampire wrote:
For all we know, the method of storing data in the 23rd century may be completely different from how we do it today. The concept of "bytes," "megabytes," "terabytes," etc. may be totally meaningless.
Data and Wesley have mentioned "bits" and "gigabytes", respectively, in reference to 24th century computer systems, so it's safe to say such terms were also in use a century earlier.