Hard Disk


 
 
Concept Explanation
 

Hard Disk Drive (HDD)  :  It is a non - volatile and random access digital data storage device. HDD is a data storage device used for storing and retrieving digital information using rotating disks (platters) coated with magnetic material. All programs of a computer are installed in hard. It is a fixed disk i.e. cannot be removed the drive.

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Sample Questions
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Question : 1

Who made the first hard drive ?

Right Option : C
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Question : 2

Which of the following is a storage device that uses rigid, permanently installed magnetic disks to store data/information ?

a) Floppy disk          b) Hard disk                     c) Optical disk

Right Option : B
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Question : 3

Hard disk devices are considered ______ storage.           [SBI Clerk 2014]

Right Option : D
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