What is a dual DVD writer?
A DVD writer is computer hardware that writes information to a disc. A dual layer DVD writer is an advanced version that is able to write double the amount of information to a disc.PurposeThe purpose of a dual layer DVD writer is to create two layers of information on a disc. Single layer DVD writers can only write one layer, equaling 4.7 gigabytes. Dual layer DVD writers can write 9.5 gigabytes of information.ProcessDVD writers work by spinning a disc over a laser. This laser writes information onto a disc. Dual layer DVD writers have a special laser that can pack the information more tightly together, thus doubling the storage capacity.MediaDual layer DVD writers need special media, or discs, to which to write. The DVD writer will only be able to write a single layer without discs specifically labeled as “dual layer.”BenefitsThe benefit of a dual layer DVD writer is the ability to store more information.
