dvd-rw or dvd-sm

  liverlips 14:42 05 Oct 09

hi,in interested in buying a laptop from pcworld,in the back of there catalogue,laptops.it says some are dvd-rw or dvd-sm.please can anyone tell me what a dvd-sm does compared to a dvd-rw?
i tried phoning,ive sent emails to pcworld and received no help.thankyou for your time

  jimv7 14:52 05 Oct 09

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