What Can I Give My Dog For Tooth Pain?
Animals & Nature3 mins ago
No best answer has yet been selected by matt_london. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.The original speed of CDROMS etc was 1x where "The "x" stands for the
transfer of 150 KB of data per second". As speeds increased, they were labelled
a twice (2x) this data transfer rate or 4x etc.
See
http://www.webopedia.com/DidYouKnow/Hardware_Software/2002/CDBurning.asp