What is hard disk and what is its purpose?

Hard Disk stores data. Whenever you save any file on your computer, it gets saved in the Hard Disk. Generally hard disks very in storage spaces. If you go with higher capacity then you can save more on your hard disk and if you go with lower capacity you can save few files. A hard disk of 500 GB usually comes by spending 2000 rupees. You might get it cheaper but that is standard price.

Hard disk is the storage of your computer where all the data saved. Whatever you insert in your computer like music, videos and any file will be store on Hard Disk.

Hard Disk is a storage device used to store data and files.

data saved here

Hard disk stores all the data of your system. It is long term storage

Hard Disk is meant for storing your data on the Magnetic medium of the disc. Data is stored in the form of files.