Question

Definition of Hard Disk
What is hard disk?

Answer 1

Here is the definition of hard disk:

• It is a non-volatile, high capacity storage device ranging from 1 gigabyte to several Terabytes.  

Components of a hard disk:

• It consists of solid rounded disks packed on one another.  

• It is made up of a magnetic material and sealed inside a case.  

 

• The hard disk is usually fixed inside the computer and hence it does not get lost or damaged by mishandling.  

 

• Data is stored on the platters in tracks, sectors and cylinders to keep it organized and easier to find.  

 

• Attached below is the picture of a hard disk and all its parts labelled.  

• Also attached below is the picture of the structure of the hard disk.

Answer 2

Hard disk, Magnetic storage medium for a microcomputer. Hard disks are flat, circular plates made of aluminum or glass and coated with a magnetic material. Hard disksfor personal computers can store up to several gigabytes (billions of bytes) of information. Data are stored on their surfaces in concentric tracks.