DVDR, DVD recordable format has a storage capacity of 4.71 GB. Pioneer presented its 9.4 GB double layer variation in 2005 under the name of DVD-R DL. Tape-recorded data on DVD-R can't be changed, while the data taped over DVD-RW can be re…

Something hard disk makers will not inform you: most disk drives, subject to regular usage conditions and usage, will break and need hard disk information healing. In a great deal of cases, with regular use, it may take a long time. Someti…