November 27, 2009
November 27, 2009
Data recovery online courses
Logical organization of hard disk
Sectors and Clusters A sector, being the smallest physical storage unit on the disk, is almost always 512 bytes in…
November 27, 2009
Data recovery online courses
Physical structure of hard disk
Physical structure of hard disk HD consists of platter, control circuit board and interface parts. A hard disk is a…
November 27, 2009
Data recovery online courses
Main technical specification and parameter of hard disk
Main technical specification and parameter of hard disk Capacity We can see the capacity in two aspects: the total capacity…
November 27, 2009
Data recovery online courses
Hard disk development History
History of hard disk development The hard disk drive has short and fascinating history. In 24 years it evolved from…
November 27, 2009
Data recovery online courses
Data Protecting Technologies
Data Protecting Technologies Data security and fault freedom of storage are paid more and more attention. People are attaching more…
November 27, 2009
Data recovery online courses
The principle of data recovery
The principle of data recovery Data recovery is a process of finding and recovering data, in which there may be…
November 27, 2009
Data recovery online courses
The scope of data recovery
There are so many forms and phenomenon on data problem, we can divide the objects or scope of data recovery…
November 27, 2009
Data recovery online courses
Why is data recovery important
Data recovery means retrieving lost, deleted, unusable or inaccessible data that lost for various reasons. Data recovery not only restores…