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Part VII: Appendixes > Answers for Hour 19

Answers for Hour 19

Quiz Answers

1: What is the difference between Disk Defragmenter and Disk Cleanup?
A1: Disk Defragmenter collects fragments on your disk and gives you larger and contiguous chunks of free space, whereas Disk Cleanup removes files you no longer need.
2: True or false: Disk Defragmenter can remove unneeded files from your disk.
A2: False. Disk Defragmenter does not remove unwanted files.
3: True or false: If you run Disk Cleanup regularly, you'll never have to defragment your disk.
A3: False. Disk Cleanup does not defragment your drive.
4: Why does your hard disk access speed improve when you regularly use Disk Defragmenter?
A4: When you regularly use Disk Defragmenter, your hard disk has fewer gaps between data within the same file. Your PC can read and write that file much faster because the PC doesn't have to skip the holes.
5: What is the difference between a full backup and an incremental backup?
A5: A full backup is a backup of your entire system. An incremental backup backs up only the files that have changed since the most recent backup.


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