Hard disk drive

Why is hard disk drive important?

• holds all the software that runs on your system and all your personal files.

What does the hard disk drive consist of?

• Disks

• Drive motor

• Gaps between disks

• Head motor

• Sealed case

disks

• A hard disk drive contains several disks which are stacked on top of each other.

drive motor

What does the drive motor do?

• The drive motor spins the disks very quickly, it runs all the time your PC is in use.

gaps between disks

What are the gaps used for?

• We need the gaps so the read/write heads can move across the disks and reach all parts quickly.

head motor

What does the head motor control?

• The head motor controls the read/write heads.

sealed case

Why is the drive in a sealed case?

• to keep out dust and smoke.