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                          Hard Disk Drive.

Hard Disk is the data storage device for computers which uses magnetic storage to store data.  It is one of the most essential part of computer. Without hard disk, a computer is not complete. It will be harder to load for the computer's program, also the boot up will also be slower without the hard disk. Hard disk is used to store, whereas if there is no hard disk the computer will have no place to store and as a result only few things can be stored. 

- Functions of Hard Disk:

1. The main function of Hard Disk is to store data for a long term and keep it safely.

2. It also makes start up faster, also the game loading process so that you don't need to wander around waiting for your game or computer to run. 

- How do hard disks look like?

                                                  You all may know how it looks like but some people find it harder to recognize SSD and HDD so here are some looks of it :-

                                               SSD

                                                 HDD

Some facts related to it :-

1. A computer is only useful if it has both hardware and software.

3. The first hard drive was made in 1979 and weighed 8 inches long.