Do I need an actual disk to defragment my computer? If not, why is it called Disk Defragmenting?
Yes, you need a disk. Defragmenting is an operation done to your hard disk drive. Basically, your hard disk drive is comprised of several disks called platters. They are laid out in tracks and sectors. When you write any file to your disk, it uses up the tracks and sectors. But many files grow over time and the tracks and sectors used for this expansion are not physically located next to each other (because that space has been used up by other files). Defragmenting your disk puts all of the portions of a file together, which increases data retrieval speeds from your hard disk drive and decreases the potientional for cross linked files and other problems. If you think your personal computer doesn’t have an “actual disk” but save things to your hard drive all the time, you need to pick up a book or online tutorial on computer basics. The only personal computers that come without hard drives nowdays are some hand-held devices which use flash memory, and some newer laptops which use SSDs (
