1. DATA SECURITY (i) Backing up dataBacking up data (ii) Archiving dataArchiving data 4 th JUNE 2005 Saturday Lower Sixth Form Computer Studies

2. www.brainybetty.com2 BACKING UP DATA Means taking a copy of the data and keeping it away from the computer in a secure place. It is an exact copy of your original work. HOME NEXT BACK

3. www.brainybetty.com3 RULES FOR BACKING UP 1.Never keep backup disks near the computer. If the computer is stolen the thieves may take the disks as well. 2.If you hold a lot of data which would be very expensive to be recreate, then you should invest a fire-proof safe to protect your backups against theft and fire. BACKING UP DATA HOME NEXT BACK

4. www.brainybetty.com4 RULES FOR BACKING UP 3. Keep at least one set of backup disks in a different place (i.e. at a different site). BACKING UP DATA HOME NEXT BACK

5. www.brainybetty.com5 IMPORTANCE OF BACKING UP - The main form of backing storage is the hard disk on our computers. -There are times, however, when there is a problem with the hard disk and it will not work properly. BACKING UP DATA HOME NEXT BACK

6. www.brainybetty.com6 IMPORTANCE OF BACKING UP -Some problems which cause you to need backup are: -  A hard disk crash  A virus gets into the computer  Lost floppy disk  Computer network failure  Human error BACKING UP DATA HOME NEXT BACK

7. www.brainybetty.com7 ARCHIVING DATA Means placing important computer files in a safe place so that they can be found easily if needed. HOME NEXT BACK

8. www.brainybetty.com8 ARCHIVING DATA It is a copy of data which we have probably finished with and may never use again. It is there just in case somebody in the future needs to look up some old information. HOME NEXT BACK

9. www.brainybetty.com9 HOMEWORKS  State the differences between BACKINGUP & ARCHIVING DATA from any relevant websites or textbooks.  SUBMISSION: Deadline is on the 7 th June 2005 (TUESDAY)  THANK YOU FOR YOUR INTENTION HOME BACK