roughly 700MB
5 times more
There are advantages of back-up to disk technology. It is four times faster than tape backup, data can be compressed so that more data can be stored in less space, data can be recovered faster in the even of a disaster, and finally it is much more reliable than tape backup.
Nope... the data on a DVD-ROM is packed much tighter. A CD-ROM cannot read DVD's but a DVD-ROM can read CD's
whats a stiffy disk
DVD discs have much more capacity - 4.7 Gigabytes compared to a CD's 700 Megabytes. This means that each DVD can hold almost 7 CDs worth of stuff.
It depends...when you see a hot girl... Your floppy disk might turn into a hard drive which is really big, but then it depends :)
The data is stored along side the index keys, so when a query searches by the index, once it's found the "leaf" in the index tree, it usually has gotten the data in the same disk read. So your searches by that key are much faster. The down-side is that it takes much longer to save data with a clustered index, because it has to make space where the key should be stored for the table data.
1.44 Mb
Approximately 215 petabytes of data can be stored in 1 gram of DNA.
Typically 1.4 MB.
As of 2021, it is estimated that there are around 44 zettabytes (44 trillion gigabytes) of data stored in the world.
Backing up data to disk can be rather time consuming depending on how much data one needs to transfer on to disk. Most computers have a backup facility where one would follow a set on on-screen instructions. Alternatively, one can copy and paste data from folders to the disk.