Files Are Save On Hard Disk. Over A Period Of Time Files Are Move, Deleted, Modified, Saved. All This Operations Fragment's Files. Changes Made To File Are Stored On Different Location And Not On Original Location.
Let Us Understand With Example
Suppose A Word File Is Created On :\D Drive. Drive Has Total 100 Memory Blocks. On Creation, File Is Stored On Block 10. Modifications Are Performed Like Deleting, Adding Content etc. All This Changes Will Be Stored On Next Available Block, Suppose Block Is 50. Now File Is Stored On 2 Different Locations Block 10 & 50. So Read Operation Will Require More Time.
Defragmentation : How It Works
Disk Defragmentation Utility Rearrange The Different Parts Of Files And Stores On Nearest Possible Location. According To Example, After Running Utility Word File Will Be Saved On Nearest Block Like Block 10 & 11. Reading Operation Will Be Performed Fast, So Performance Of PC Laptop Increases.
Defragmentation : Utility
Windows OS Provides Inbuilt Utility. It Runs On Schedule Basis. Manually Also You Can Run This Utility. Many Freeware Softwares Are Also Available On Net, Download Them To Defragment Your Disk And Improve PC Performance.
Enjoy....
Chintan Chhadva
