A computer’s main storage media device, also called a hard disk drive or abbreviated as HD or HDD. The hard drive was first introduced on September 13, 1956 and consists of one or more hard disk platters inside of air sealed casing. Most hard drives are permanently stored in an internal drive bay at the front of the computer and are connected with either ATA, SCSI, or a SATA cable and power cable. Below is an illustration of the inside of a hard disk drive.

hard-disk-drive

As can be seen in the above picture of the desktop hard drive the main six components that help make up the inside are the head actuator, read/write actuator arm, read/write head, spindle, and platter.

How To Handle Hard Disc Drive?

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