Computers have found very many applications in todays world, in almost every field of human activity. Offices, schools, libraries, and other organizations that need to keep track of and organize huge masses of information have found that computers perform this task admirably. Scientists and engineers have been able to leverage the massive computing power now available to help solve problems once thought unsolvable, and to develop new technologies through simulation. Writers, visual artists, and even musical composers have also found that computers can provide new and exciting ways for them to practice their respective crafts.
Because of this, it has also become quite important to look at the different ways of storing digital data. Digital data here refers to that information stored in methods that make it accessible to computers, such as on hard disks or compact discs (CDs). Apart from increasing the amount of data that could be stored on a particular digital storage device, discussions of data security have also arisen.
Computers have been made to handle confidential information, which is meant to be protected from unauthorized access. Password protection is now...