❑ Hard disk components
❍ Platter : The circular metal where the data is stored.
❍ Spindle : The motor that rotate platters.
❍ Head : The device for recording data on a platter.
❍ Actuator : The device that controls the actuator arm.
❍ Actuator arm(Access arm) : The stick that the head is attached.
❍ Connector : The port of the cable for data transmission.
❍ Jumper Block : The port for IDE cable.
❍ Power connector : The port for power cable.
❑ Platter components
❍ Sector : Platter's smallest unit(512 Bytes).
❍ Track : The gathering of the sectors. It forms a circle.
❍ Cylinder : The gathering of the tracks. It forms a cylinder.
※ Size : Disk > Partition > Cylinder > Track > Sector