Which of the following statements best describes the defragmentation process?
a. Defragmenting is the process of backing up a disk to a CD or DVD.
b. Defragmenting is the process of reorganizing a disk so that files are stored in contiguous sectors.
c. Defragmenting is the process of halting a disk so that the operating system can be restored.
d. Defragmenting is the process of converting a hard drive into a secure database.