Hard disk drive is a type of magnetic disk. It consisit round plates called platter. Data store on platter A head fix on plates to read and write data. Platters usually constructed of aluminum or glass which cannot be bent like floppy disc hence termed as hard disk. A hard disk drive normally has one head per platter with all heads mounted on common rack. The had disk spins the disk as 3600, 5400, and upto 7200 or even more RPM (rotation per minute). We save a lot of data on hard disk. Hard disk is used in computers to save the important data.
- Basic Hard Drive Components:
- Disk Platters
- Read/Write head
- Spindle motor
- Head actuator mechanism
- Logic Board
- Cable and Connectors
- Configuration items
Sector is a section of a tracks which stores a predetermined number of Bytes
