Confidence votes 33. First of all you are probably a 'rent asking this and not every word in the dictionary a teen has a slang word for, so remember that and don't critcize them just because they are WAY cooler than the kids next door!
When Raw Disk Image type is not mentioned explicitly in this guide, we are referring to the Backup Disk Image. Another file format supported is ISO image. ISO images are used to store a copy of CD/DVD/Blue-ray disc in a file and stand apart from actual disk images.
Answer   Single layer recordable DVD's can store 4.3GB of data. Data is stored on CD's and DVD's via reflective and non reflective pits on the surface of the media. Theseâ¦ dots are much smaller on DVD's which gives you more room to store information on the surface of the disc.   Dual Layer DVDs hold 8.5GB.