DDR is a memory in which most of your default memories are stored. Find the defrag button and this will clean up the memory getting ride of any error memory or corruption memory.
Usually not, The best Defrag program to use is the one the came Pre Installed in windows its located under Start, All Programs, Accessories, Tools - Or System Tools Defrag. What defrag does is put similar files together in order kinda like how a library puts books on a shelf, That way they can find them easier defrag is virtually the same.
you don't have to but when your computer gets fraged it starts to move slower because it is trying harder to find the information. when you defrag your computer it moves the info to places were it can find it better.so you can work faster.
You don't need to defrag the system reserve but if you want to anyway there is a program called auslogis disk defrag that lets you defrag system reserve
When you defragment your computer, it places all kinds of clustered files into a more organized form, taking less time to find them. Be careful not to defrag more than once every couple months, since that will destroy your hard drive if you over defrag.
Defrag
If you have certain programs open, such as Zone Alarm, they keep writing to the disc, which cause the Defrag program to start over again. Do a Control +Alt+ Delete to find out which programs are running, and shut down all but Explorer, the drive that you are working with, and the Defrag program.
depends on the OS, but for most it is : defrag <DRIVE> example: defrag c:
No! In fact, it's best that you're NOT online while doing a defrag. Anytime defrag hits a part of a hard drive where the information is changing, defrag restarts doing that portion of the drive. While on the Internet, your PC is constantly sending and receiving files and changing what's on the hard drive. Your defrag will take a lot longer.
Start-All programs-accesories-Systerm tools-defrag
Many people believe that your computer will work more efficiently if you defrag it regularly.
If the disk defragmenter that comes with the OS is unsuitable for you, check out the other defrag programs available in the market. If you google for fully automatic defrag programs, you will find some really good options which include background mode, low free space defrag and the latest feature includes prevention of fragmentation in one of the popular programs.