1. CES Industries, Inc. Hard Disk Drive Lesson 6

2. 1.Information stored magnetically on the surface of the disk, in a similar fashion to the floppy disk. Since the hard disk stores such a vast amount of data, a crash or failure can be devastating. 2.“It is not if a hard drive is going to fail, it is when!” CES Industries, Inc. Hard Disk Drive

3. 3.Low-level formatting done at factory. CES Industries, Inc. Hard Disk Drive

4. 4.DOS utility (FDISK) is used to define media type and the master boot record (MBR). CES Industries, Inc. Hard Disk Drive

5. 5.High Level formatting erases all the information that is stored on a hard disk 6.Prepares the disk to hold data 7.Creates and validates the Directory structure, File Allocation Table. CES Industries, Inc. Hard Disk Drive

6. 8.The read/write heads of a hard disk never touch the surface of the disk. They float on a cushion of air, produced by a special mechanical device called a Bernoulli Bering. CES Industries, Inc. Hard Disk Drive

7. 9.The hard disk drive is sensitive to shock. CES Industries, Inc. Hard Disk Drive

8. 10.Most HDDs use IDE (Integrated Drive Electronics Interface) and use a 40-pin connector. CES Industries, Inc. Hard Disk Drive

9. 11.The hard drive needs + 5 and +12 volts 11.The hard drive needs + 5 and +12 volts. CES Industries, Inc. Hard Disk Drive