Defragmentation.46

461 views

Published on

Published in: Technology
0 Comments
1 Like
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total views
461
On SlideShare
0
From Embeds
0
Number of Embeds
28
Actions
Shares
0
Downloads
31
Comments
0
Likes
1
Embeds 0
No embeds

No notes for slide

Defragmentation.46

  1. 1. Defragmentation http://improvec.blogspot.in/ 1
  2. 2. Disk Defragmentation http://improvec.blogspot.in/ 2
  3. 3. Definition Defragmentation is a technique that puts all related data together pertaining to a file In order to speed up accessing, the free space is consolidated in one contiguous black That is free contiguous memory locations are available to store future data http://improvec.blogspot.in/ 3
  4. 4. Example A group of students along with their teacher go to a concert if they reserve seats early then they sit together in the same row Accessing them by the teacher is fast and easy Other wise they have to take whatever sets are still available scattered about the auditorium Then accessing them by the teacher is difficult http://improvec.blogspot.in/ 4
  5. 5. Contd.. Example If scattered the group can be defragmented by rearranging the seats such that all students take seats together This is called Defragmentation http://improvec.blogspot.in/ 5
  6. 6. DefragmentationWhenever we delete a file from our hard disk andwhenever windows removes a temporary file, a storagearea on the disk becomes free for reuse again the next time we save a file, windows uses its freearea to store as much of the file as fit http://improvec.blogspot.in/ 6
  7. 7. Defragmentation As we delete old files and insert new files over a periodof time, they begin to be distributed on the hard disk as apiece here, piece there, another piece somewhere else http://improvec.blogspot.in/ 7
  8. 8. Defragmentation It tends to slow file accessing because the system has to go to several locations to pick up onefile http://improvec.blogspot.in/ 8
  9. 9. Advantages We can speed up the hard disk response time byrunning the Disk Defragmenter programThis program rearranges the files so that all parts of afile are stored together in one location http://improvec.blogspot.in/ 9
  10. 10. Advantages Contd.. Large sections of free space are also put together So we can improve the performance of our computer by defragmenting our hard disk http://improvec.blogspot.in/ 10
  11. 11. Procedure for Defragment Click the Start button Point to programsPoint to AccessoriesGo to System Toolsand click Disk Defragmenter http://improvec.blogspot.in/ 11
  12. 12. Procedure for Defragmenting http://improvec.blogspot.in/ 12
  13. 13. Defragmentation http://improvec.blogspot.in/ 13
  14. 14. Defragmentation http://improvec.blogspot.in/ 14
  15. 15. Defragmentation Select the Drive Click OK to start the defragmentation The decrementing Drive window appears as shown http://improvec.blogspot.in/ 15
  16. 16. Defragmentation http://improvec.blogspot.in/ 16
  17. 17. Contd.. Defragmentation Defragmenter starts to defrayment files on the selected drive and displays its progress We can choose to stop it, pause it or show details to seeDisk Defragmenter in action http://improvec.blogspot.in/ 17
  18. 18. Contd.. Defragmentation A dialog box appears when the defragmentation of the hard disk is complete Click Yes to close Disk Defragmenter http://improvec.blogspot.in/ 18
  19. 19. Summary In this lecture you have learned about Defragmentation Advantages of defragmentation Method to defragment http://improvec.blogspot.in/ 19
  20. 20. Frequently asked questions1.What is meant by defragmemtation? What is the need of defragmentation ?2. Why would you need to defragmentation your hard disk?3. What are the advantages of defragmentation? http://improvec.blogspot.in/ 20
  21. 21. Quiz1. A technique that puts all related date together (a) fragmentation (b) defragmentation (c) delete & save http://improvec.blogspot.in/ 21
  22. 22. Quiz2. After defragmentation the accessing becomes (a) slow (b) same (c) fast http://improvec.blogspot.in/ 22

×