Blu-Rays can hold up to a maximum of 50GB, which is 5 times more data than a DVD can hold
A Standard CD is 700MB whereas a single layer bluray is 25GB, doubled to 50GB for a dual layer, 100Gb for a triple layer and even 128Gb for a quadruple layer disk.
A cD holds 600 times more than a floppy disc.
Usually much faster
7900 A Compact Disk (CD) can usually store up to 700MB data.
A Blu-Ray holds nearly 20 GB of information. A regular DVD holds a little over 4 GB. A CD holds up to about 700 MB. The Blu-Ray holds about 30 times the information that a CD carries, and almost 5 times what a DVD can store.
A standard 3.5" floppy disk holds significantly less than a gigabyte. As a fraction, a floppy holds about 1/711 of a gigabyte.
A DVD holds around six times as much as a CD. Also, some USB drives and almost all hard drives hold WAY more than a CD.
Depends how its damaged. If its water damaged the disk may not work at all. If it is smashed or cracked it may become corrupt depending on how much of the internal disk is exposed to the outside. If the disk is damaged, that means some of the information will not be saved in contiguous space and won't be read properly. So, when you save or copy the information to the disk, you end up with just some of what you saved, even if you do not get an error message..
Yes, the Hard Disk Drive holds all the information that you have had stored on the machine. Documents, music pretty much everything that hasn't been deleted. I suggest that you format the hard drive with a diligent formatting software to avoid the personal data being relocated.
One can find information about Acronis Disk Director Suites at the official Acronis website. The website gives an overview of the product, lists the benefits and much more. It is also possible to purchase the software at Acronis.
Compact DisksInstead of electromagnetism, CDs use pits (microscopic indentations) andlands(flat surfaces) to store information much the same way hard disks use magnetic and non-magnetic storage. Inside the CD-ROM is a laser that reflects light off of the surface of the disk to an electric eye. The pattern of reflected light (pit) and no reflected light (land) creates a code that represents data.CDs usually store about 700MB. A DVD or Digital Video Disk holds even more information than a CD, because the DVD can store information on two levels, in smaller pits or sometimes on both sides.
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